Publications
Conference Papers
Inverting Data Transformations via Diffusion Sampling Jinwoo Kim, Sékou-Oumar Kaba, Jiyun Park, Seunghoon Hong, and Siamak Ravanbakhsh.Forty-Third International Conference on Machine Learning, 2026
BibTeX
@inproceedings{kim2026inverting,
title = {Inverting Data Transformations via Diffusion Sampling},
author = {Kim, Jinwoo and Kaba, S{\'e}kou-Oumar and Park, Jiyun and Hong, Seunghoon and Ravanbakhsh, Siamak},
booktitle = {Forty-Third International Conference on Machine Learning},
year = {2026}
}
Long-Horizon Model-Based Offline Reinforcement Learning Without Conservatism Tianwei Ni, Esther Derman, Vineet Jain, Vincent Taboga, Siamak Ravanbakhsh, and Pierre-Luc Bacon.Forty-Third International Conference on Machine Learning, 2026
BibTeX
@inproceedings{ni2026long,
title = {Long-Horizon Model-Based Offline Reinforcement Learning Without Conservatism},
author = {Ni, Tianwei and Derman, Esther and Jain, Vineet and Taboga, Vincent and Ravanbakhsh, Siamak and Bacon, Pierre-Luc},
booktitle = {Forty-Third International Conference on Machine Learning},
year = {2026}
}
Multi-Armed Sampling Problem and the End of Exploration Mohammad Pedramfar, and Siamak Ravanbakhsh.The 29th International Conference on Artificial Intelligence and Statistics, 2026
arXiv |
BibTeX
@inproceedings{pedramfarmulti,
title = {Multi-Armed Sampling Problem and the End of Exploration},
author = {Pedramfar, Mohammad and Ravanbakhsh, Siamak},
booktitle = {The 29th International Conference on Artificial Intelligence and Statistics},
year = {2026},
organization = {PMLR},
url_arxiv = {https://arxiv.org/abs/2507.10797}
}
Scaling laws and symmetry, evidence from neural force fields Khang Ngo, and Siamak Ravanbakhsh.The Fourteenth International Conference on Learning Representations, 2026
arXiv |
BibTeX
@inproceedings{ngo2025scaling,
title = {Scaling laws and symmetry, evidence from neural force fields},
author = {Ngo, Khang and Ravanbakhsh, Siamak},
booktitle = {The Fourteenth International Conference on Learning Representations},
year = {2026},
url_arxiv = {https://arxiv.org/abs/2510.09768}
}
The Expressive Limits of Diagonal SSMs for State-Tracking Mehran Shakerinava, Behnoush Khavari, Siamak Ravanbakhsh, and Sarath Chandar.The Fourteenth International Conference on Learning Representations, 2026
arXiv |
BibTeX
@inproceedings{shakerinavaexpressive,
title = {The Expressive Limits of Diagonal SSMs for State-Tracking},
author = {Shakerinava, Mehran and Khavari, Behnoush and Ravanbakhsh, Siamak and Chandar, Sarath},
booktitle = {The Fourteenth International Conference on Learning Representations},
year = {2026},
url_arxiv = {https://arxiv.org/abs/2603.01959}
}
Beyond Scalar Rewards: An Axiomatic Framework for Lexicographic MDPs Mehran Shakerinava, Siamak Ravanbakhsh, and Adam Oberman.Advances in Neural Information Processing Systems, 2025
spotlight presentation
Paper |
BibTeX
@article{shakerinava2026beyond,
title = {Beyond Scalar Rewards: An Axiomatic Framework for Lexicographic MDPs},
author = {Shakerinava, Mehran and Ravanbakhsh, Siamak and Oberman, Adam},
journal = {Advances in Neural Information Processing Systems},
volume = {38},
pages = {109446--109470},
year = {2025},
url_paper = {https://proceedings.neurips.cc/paper_files/paper/2025/file/9dc3ba306fcad7d8ee00eb30a8156c02-Paper-Conference.pdf}
}
Diffusion Tree Sampling: Scalable inference-time alignment of diffusion models Vineet Jain, Kusha Sareen, Mohammad Pedramfar, and Siamak Ravanbakhsh.Advances in Neural Information Processing Systems, 2025
Paper |
BibTeX
@article{jain2026diffusion,
title = {Diffusion Tree Sampling: Scalable inference-time alignment of diffusion models},
author = {Jain, Vineet and Sareen, Kusha and Pedramfar, Mohammad and Ravanbakhsh, Siamak},
journal = {Advances in Neural Information Processing Systems},
volume = {38},
pages = {145576--145615},
year = {2025},
url_paper = {https://proceedings.neurips.cc/paper_files/paper/2025/file/d6484394c4cb5e1f4ecad8d90b912025-Paper-Conference.pdf}
}
Energy Loss Functions for Physical Systems Oumar Kaba, Kusha Sareen, Daniel Levy, and Siamak Ravanbakhsh.Advances in Neural Information Processing Systems, 2025
Paper |
BibTeX
@article{kaba2026energy,
title = {Energy Loss Functions for Physical Systems},
author = {Kaba, Oumar and Sareen, Kusha and Levy, Daniel and Ravanbakhsh, Siamak},
journal = {Advances in Neural Information Processing Systems},
volume = {38},
pages = {163916--163947},
year = {2025},
url_paper = {https://proceedings.neurips.cc/paper_files/paper/2025/file/efd3901eeda94e200f0634f3a27298b8-Paper-Conference.pdf}
}
On the Identifiability of Causal Abstractions Xiusi Li, Sékou-Oumar Kaba, and Siamak Ravanbakhsh.The 28th International Conference on Artificial Intelligence and Statistics, 2025
arXiv |
Paper |
BibTeX
@article{li2025identifiability,
title = {On the Identifiability of Causal Abstractions},
author = {Li, Xiusi and Kaba, S{\'e}kou-Oumar and Ravanbakhsh, Siamak},
journal = {The 28th International Conference on Artificial Intelligence and Statistics},
year = {2025},
organization = {PMLR},
url_arxiv = {https://arxiv.org/abs/2503.10834},
url_paper = {https://openreview.net/attachment?id=RKiOGRrABL&name=pdf}
}
Progressive inference-time annealing of diffusion models for sampling from boltzmann densities Tara Akhound-Sadegh, Jungyoon Lee, Joey Bose, Valentin De Bortoli, Arnaud Doucet, Michael Bronstein, Dominique Beaini, Siamak Ravanbakhsh, Kirill Neklyudov, and Alexander Tong.Advances in Neural Information Processing Systems, 2025
spotlight presentation
Paper |
BibTeX
@article{akhound2026progressive,
title = {Progressive inference-time annealing of diffusion models for sampling from boltzmann densities},
author = {Akhound-Sadegh, Tara and Lee, Jungyoon and Bose, Joey and De Bortoli, Valentin and Doucet, Arnaud and Bronstein, Michael and Beaini, Dominique and Ravanbakhsh, Siamak and Neklyudov, Kirill and Tong, Alexander},
journal = {Advances in Neural Information Processing Systems},
volume = {38},
pages = {63218--63251},
year = {2025},
url_paper = {https://proceedings.neurips.cc/paper_files/paper/2025/file/5b6e19673f5510e00a73326a07363b84-Paper-Conference.pdf}
}
Sampling from Energy-based Policies using Diffusion Vineet Jain, Tara Akhound-Sadegh, and Siamak Ravanbakhsh.Reinforcement Learning Conference, 2025
arXiv |
BibTeX
@inproceedings{jainsampling,
title = {Sampling from Energy-based Policies using Diffusion},
author = {Jain, Vineet and Akhound-Sadegh, Tara and Ravanbakhsh, Siamak},
year = {2025},
booktitle = {Reinforcement Learning Conference},
url_arxiv = {https://arxiv.org/abs/2410.01312}
}
SymmCD: Symmetry-Preserving Crystal Generation with Diffusion Models Daniel Levy, Siba Smarak Panigrahi, Sékou-Oumar Kaba, Qiang Zhu, Kin Long Kelvin Lee, Mikhail Galkin, Santiago Miret, and Siamak Ravanbakhsh.The Thirteenth International Conference on Learning Representations, 2025
Paper |
arXiv |
BibTeX
@inproceedings{levysymmcd,
title = {SymmCD: Symmetry-Preserving Crystal Generation with Diffusion Models},
author = {Levy, Daniel and Panigrahi, Siba Smarak and Kaba, S{\'e}kou-Oumar and Zhu, Qiang and Lee, Kin Long Kelvin and Galkin, Mikhail and Miret, Santiago and Ravanbakhsh, Siamak},
booktitle = {The Thirteenth International Conference on Learning Representations},
year = {2025},
url_paper = {https://openreview.net/pdf?id=xnssGv9rpW},
url_arxiv = {https://arxiv.org/abs/2502.03638}
}
E (3)-Equivariant Mesh Neural Networks Thuan Anh Trang, Nhat Khang Ngo, Daniel T Levy, Thieu Ngoc Vo, Siamak Ravanbakhsh, and Truong Son Hy.International Conference on Artificial Intelligence and Statistics, 2024
Paper |
BibTeX
@inproceedings{trang20243,
title = {E (3)-Equivariant Mesh Neural Networks},
author = {Trang, Thuan Anh and Ngo, Nhat Khang and Levy, Daniel T and Vo, Thieu Ngoc and Ravanbakhsh, Siamak and Hy, Truong Son},
booktitle = {International Conference on Artificial Intelligence and Statistics},
pages = {748--756},
year = {2024},
organization = {PMLR},
url_paper = {https://proceedings.mlr.press/v238/anh-trang24a.html}
}
Efficient Dynamics Modeling in Interactive Environments with Koopman Theory Arnab Kumar Mondal, Siba Smarak Panigrahi, Sai Rajeswar, Kaleem Siddiqi, and Siamak Ravanbakhsh.The Twelfth International Conference on Learning Representations, 2024
arXiv |
Paper |
BibTeX
@inproceedings{mondalefficient,
title = {Efficient Dynamics Modeling in Interactive Environments with Koopman Theory},
author = {Mondal, Arnab Kumar and Panigrahi, Siba Smarak and Rajeswar, Sai and Siddiqi, Kaleem and Ravanbakhsh, Siamak},
booktitle = {The Twelfth International Conference on Learning Representations},
year = {2024},
url_arxiv = {https://arxiv.org/abs/2306.11941},
url_paper = {https://openreview.net/pdf?id=fkrYDQaHOJ}
}
Iterated Denoising Energy Matching for Sampling from Boltzmann Densities Tara Akhound-Sadegh, Jarrid Rector-Brooks, Joey Bose, Sarthak Mittal, Pablo Lemos, Cheng-Hao Liu, Marcin Sendera, Siamak Ravanbakhsh, Gauthier Gidel, and Yoshua Bengio, et al..Forty-first International Conference on Machine Learning, 2024
Paper |
arXiv |
BibTeX
@inproceedings{akhounditerated,
title = {Iterated Denoising Energy Matching for Sampling from Boltzmann Densities},
author = {Akhound-Sadegh, Tara and Rector-Brooks, Jarrid and Bose, Joey and Mittal, Sarthak and Lemos, Pablo and Liu, Cheng-Hao and Sendera, Marcin and Ravanbakhsh, Siamak and Gidel, Gauthier and Bengio, Yoshua and others},
booktitle = {Forty-first International Conference on Machine Learning},
year = {2024},
url_paper = {https://openreview.net/pdf?id=gVjMwLDFoQ},
url_arxiv = {https://arxiv.org/abs/2402.06121}
}
Learning to Reach Goals via Diffusion Vineet Jain, and Siamak Ravanbakhsh.Forty-first International Conference on Machine Learning, 2024
Paper |
arXiv |
BibTeX
@inproceedings{jainlearning,
title = {Learning to Reach Goals via Diffusion},
author = {Jain, Vineet and Ravanbakhsh, Siamak},
booktitle = {Forty-first International Conference on Machine Learning},
year = {2024},
url_paper = {https://openreview.net/pdf?id=3JhmHCVPa8},
url_arxiv = {https://arxiv.org/abs/2310.02505}
}
On Diffusion Modeling for Anomaly Detection Victor Livernoche, Vineet Jain, Yashar Hezaveh, and Siamak Ravanbakhsh.The Twelfth International Conference on Learning Representations, 2024
spotlight presentation at ICLR
Paper |
arXiv |
BibTeX
@inproceedings{livernochediffusion,
title = {On Diffusion Modeling for Anomaly Detection},
author = {Livernoche, Victor and Jain, Vineet and Hezaveh, Yashar and Ravanbakhsh, Siamak},
booktitle = {The Twelfth International Conference on Learning Representations},
year = {2024},
url_paper = {https://openreview.net/pdf?id=lR3rk7ysXz},
url_arxiv = {https://arxiv.org/abs/2305.18593}
}
Weight-Sharing Regularization Mehran Shakerinava, Motahareh MS Sohrabi, Siamak Ravanbakhsh, and Simon Lacoste-Julien.International Conference on Artificial Intelligence and Statistics, 2024
Paper |
arXiv |
BibTeX
@inproceedings{shakerinava2024weight,
title = {Weight-Sharing Regularization},
author = {Shakerinava, Mehran and Sohrabi, Motahareh MS and Ravanbakhsh, Siamak and Lacoste-Julien, Simon},
booktitle = {International Conference on Artificial Intelligence and Statistics},
pages = {4204--4212},
year = {2024},
organization = {PMLR},
url_paper = {https://proceedings.mlr.press/v238/shakerinava24a.html},
url_arxiv = {https://arxiv.org/abs/2311.03096}
}
Equivariance with Learned Canonicalization Functions Sékou-Oumar Kaba, Arnab Kumar Mondal, Yan Zhang, Yoshua Bengio, and Siamak Ravanbakhsh.Proceedings of the 40th International Conference on Machine Learning, 2023
PDF |
Link |
BibTeX
@inproceedings{pmlr-v202-kaba23a,
title = {Equivariance with Learned Canonicalization Functions},
author = {Kaba, S\'{e}kou-Oumar and Mondal, Arnab Kumar and Zhang, Yan and Bengio, Yoshua and Ravanbakhsh, Siamak},
booktitle = {Proceedings of the 40th International Conference on Machine Learning},
pages = {15546--15566},
year = {2023},
editor = {Krause, Andreas and Brunskill, Emma and Cho, Kyunghyun and Engelhardt, Barbara and Sabato, Sivan and Scarlett, Jonathan},
volume = {202},
series = {Proceedings of Machine Learning Research},
month = {23--29 Jul},
publisher = {PMLR},
url_pdf = {https://proceedings.mlr.press/v202/kaba23a/kaba23a.pdf},
url = {https://proceedings.mlr.press/v202/kaba23a.html}
}
Equivariant Adaptation of Large Pretrained Models Arnab Kumar Mondal, Siba Smarak Panigrahi, Sékou-Oumar Kaba, Sai Rajeswar, and Siamak Ravanbakhsh.Thirty-seventh Conference on Neural Information Processing Systems, 2023
PDF |
BibTeX
@inproceedings{mondal2023equivariant,
title = {Equivariant Adaptation of Large Pretrained Models},
author = {Mondal, Arnab Kumar and Panigrahi, Siba Smarak and Kaba, S{\'e}kou-Oumar and Rajeswar, Sai and Ravanbakhsh, Siamak},
booktitle = {Thirty-seventh Conference on Neural Information Processing Systems},
year = {2023},
url_pdf = {https://arxiv.org/abs/2310.01647}
}
Lie Point Symmetry and Physics Informed Networks Tara Akhound-Sadegh, Laurence Perreault-Levasseur, Johannes Brandstetter, Max Welling, and Siamak Ravanbakhsh.Thirty-seventh Conference on Neural Information Processing Systems, 2023
PDF |
BibTeX
@inproceedings{akhound2023lieneurips,
title = {Lie Point Symmetry and Physics Informed Networks},
author = {Akhound-Sadegh, Tara and Perreault-Levasseur, Laurence and Brandstetter, Johannes and Welling, Max and Ravanbakhsh, Siamak},
booktitle = {Thirty-seventh Conference on Neural Information Processing Systems},
year = {2023},
url_pdf = {https://arxiv.org/abs/2311.04293}
}
EqR: Equivariant Representations for Data-Efficient Reinforcement Learning Arnab Kumar Mondal, Vineet Jain, Kaleem Siddiqi, and Siamak Ravanbakhsh.International Conference on Machine Learning, 2022
PDF |
Code |
BibTeX
@inproceedings{mondal2022eqr,
title = {EqR: Equivariant Representations for Data-Efficient Reinforcement Learning},
author = {Mondal, Arnab Kumar and Jain, Vineet and Siddiqi, Kaleem and Ravanbakhsh, Siamak},
booktitle = {International Conference on Machine Learning},
pages = {15908--15926},
year = {2022},
organization = {PMLR},
url_pdf = {https://proceedings.mlr.press/v162/mondal22a/mondal22a.pdf},
url_code = {https://github.com/arnab39/Symmetry-RL}
}
Equivariant Networks for Crystal Structures Oumar Kaba, and Siamak Ravanbakhsh.Advances in Neural Information Processing Systems, 2022
PDF |
BibTeX
@inproceedings{NEURIPS2022_1abed6ee,
author = {Kaba, Oumar and Ravanbakhsh, Siamak},
booktitle = {Advances in Neural Information Processing Systems},
editor = {S. Koyejo and S. Mohamed and A. Agarwal and D. Belgrave and K. Cho and A. Oh},
pages = {4150--4164},
publisher = {Curran Associates, Inc.},
title = {Equivariant Networks for Crystal Structures},
url_pdf = {https://proceedings.neurips.cc/paper_files/paper/2022/file/1abed6ee581b9ceb4e2ddf37822c7fcb-Paper-Conference.pdf},
volume = {35},
year = {2022}
}
SpeqNets: Sparsity-aware permutation-equivariant graph networks Christopher Morris, Gaurav Rattan, Sandra Kiefer, and Siamak Ravanbakhsh.Proceedings of the 39th International Conference on Machine Learning, 2022
PDF |
BibTeX
@inproceedings{pmlr-v162-morris22a,
title = {{S}peq{N}ets: Sparsity-aware permutation-equivariant graph networks},
author = {Morris, Christopher and Rattan, Gaurav and Kiefer, Sandra and Ravanbakhsh, Siamak},
booktitle = {Proceedings of the 39th International Conference on Machine Learning},
pages = {16017--16042},
year = {2022},
editor = {Chaudhuri, Kamalika and Jegelka, Stefanie and Song, Le and Szepesvari, Csaba and Niu, Gang and Sabato, Sivan},
volume = {162},
series = {Proceedings of Machine Learning Research},
month = {17--23 Jul},
publisher = {PMLR},
url_pdf = {https://proceedings.mlr.press/v162/morris22a/morris22a.pdf}
}
Structuring Representations Using Group Invariants Mehran Shakerinava, Arnab Kumar Mondal, and Siamak Ravanbakhsh.Advances in Neural Information Processing Systems, 2022
PDF |
BibTeX
@inproceedings{NEURIPS2022_dcd29769,
author = {Shakerinava, Mehran and Mondal, Arnab Kumar and Ravanbakhsh, Siamak},
booktitle = {Advances in Neural Information Processing Systems},
editor = {S. Koyejo and S. Mohamed and A. Agarwal and D. Belgrave and K. Cho and A. Oh},
pages = {34162--34174},
publisher = {Curran Associates, Inc.},
title = {Structuring Representations Using Group Invariants},
url_pdf = {https://proceedings.neurips.cc/paper_files/paper/2022/file/dcd297696d0bb304ba426b3c5a679c37-Paper-Conference.pdf},
volume = {35},
year = {2022}
}
Utility Theory for Sequential Decision Making Mehran Shakerinava, and Siamak Ravanbakhsh.International Conference on Machine Learning, 2022
PDF |
BibTeX
@inproceedings{shakerinava2022utility,
title = {Utility Theory for Sequential Decision Making},
author = {Shakerinava, Mehran and Ravanbakhsh, Siamak},
booktitle = {International Conference on Machine Learning},
pages = {19616--19625},
year = {2022},
organization = {PMLR},
url_pdf = {https://proceedings.mlr.press/v162/shakerinava22a/shakerinava22a.pdf}
}
Equivariant Networks for Pixelized Spheres Mehran Shakerinava, and Siamak Ravanbakhsh.Proceedings of the 38th International Conference on Machine Learning, 2021
PDF |
Code |
BibTeX
@inproceedings{pmlr-v139-shakerinava21a,
title = {Equivariant Networks for Pixelized Spheres},
author = {Shakerinava, Mehran and Ravanbakhsh, Siamak},
booktitle = {Proceedings of the 38th International Conference on Machine Learning},
pages = {9477--9488},
year = {2021},
editor = {Meila, Marina and Zhang, Tong},
volume = {139},
series = {Proceedings of Machine Learning Research},
month = {18--24 Jul},
publisher = {PMLR},
url_pdf = {http://proceedings.mlr.press/v139/shakerinava21a/shakerinava21a.pdf},
url_code = {https://github.com/mshakerinava/Equivariant-Networks-for-Pixelized-Spheres}
}
Equivariant Networks for Hierarchical Structures Renhao Wang, Marjan Albooyeh, and Siamak Ravanbakhsh.Advances in Neural Information Processing Systems, 2020
oral presentation at NeurIPS (1% acceptance rate)
PDF |
arXiv |
Code |
BibTeX
@inproceedings{wang2020equivariant,
author = {Wang, Renhao and Albooyeh, Marjan and Ravanbakhsh, Siamak},
booktitle = {Advances in Neural Information Processing Systems},
editor = {H. Larochelle and M. Ranzato and R. Hadsell and M. F. Balcan and H. Lin},
pages = {13806--13817},
publisher = {Curran Associates, Inc.},
title = {Equivariant Networks for Hierarchical Structures},
url_pdf = {https://proceedings.neurips.cc/paper/2020/file/9efb1a59d7b58e69996cf0e32cb71098-Paper.pdf},
url_arxiv = {http://proceedings.mlr.press/v119/ravanbakhsh20a/ravanbakhsh20a.pdf},
url_code = {https://github.com/rw435/wreathProdNet},
volume = {33},
year = {2020}
}
Universal Equivariant Multilayer Perceptrons Siamak Ravanbakhsh.Proceedings of the 37th International Conference on Machine Learning, 2020
PDF |
Paper |
BibTeX
@inproceedings{pmlr-v119-ravanbakhsh20a,
title = {Universal Equivariant Multilayer Perceptrons},
author = {Ravanbakhsh, Siamak},
booktitle = {Proceedings of the 37th International Conference on Machine Learning},
pages = {7996--8006},
year = {2020},
editor = {Hal Daumé III and Aarti Singh},
volume = {119},
series = {Proceedings of Machine Learning Research},
address = {Virtual},
month = {13--18 Jul},
publisher = {PMLR},
url_pdf = {http://proceedings.mlr.press/v119/ravanbakhsh20a/ravanbakhsh20a.pdf},
url_paper = {http://proceedings.mlr.press/v119/ravanbakhsh20a.html}
}
Improved knowledge graph embedding using background taxonomic information Bahare Fatemi, Siamak Ravanbakhsh, and David Poole.Proceedings of the AAAI Conference on Artificial Intelligence, 2019
BibTeX
@inproceedings{fatemi2019improved,
title = {Improved knowledge graph embedding using background taxonomic information},
author = {Fatemi, Bahare and Ravanbakhsh, Siamak and Poole, David},
booktitle = {Proceedings of the AAAI Conference on Artificial Intelligence},
volume = {33},
pages = {3526--3533},
year = {2019}
}
Deep Models of Interactions Across Sets Jason Hartford, Devon Graham, Kevin Leyton-Brown, and Siamak Ravanbakhsh.Proceedings of the 35th International Conference on Machine Learning, 2018
PDF |
arXiv |
Code (TF) |
Code (PyTorch) |
BibTeX
@inproceedings{pmlr-v80-hartford18a,
title = {Deep Models of Interactions Across Sets},
author = {Hartford, Jason and Graham, Devon and Leyton-Brown, Kevin and Ravanbakhsh, Siamak},
booktitle = {Proceedings of the 35th International Conference on Machine Learning},
pages = {1909--1918},
year = {2018},
volume = {80},
series = {Proceedings of Machine Learning Research},
month = {Jul},
publisher = {PMLR},
url_pdf = {http://proceedings.mlr.press/v80/hartford18a/hartford18a-supp.pdf},
url_arxiv = {https://arxiv.org/abs/1803.02879}
}
Subject2Vec: Generative-Discriminative Approach from a Set of Image Patches to a Vector Sumedha Singla, Mingming Gong, Siamak Ravanbakhsh, Frank Sciurba, Barnabas Poczos, and Kayhan N Batmanghelich.International Conference on Medical Image Computing and Computer-Assisted Intervention, 2018
BibTeX
@inproceedings{singla2018subject2vec,
title = {Subject2Vec: Generative-Discriminative Approach from a Set of Image Patches to a Vector},
author = {Singla, Sumedha and Gong, Mingming and Ravanbakhsh, Siamak and Sciurba, Frank and Poczos, Barnabas and Batmanghelich, Kayhan N},
booktitle = {International Conference on Medical Image Computing and Computer-Assisted Intervention},
pages = {502--510},
year = {2018},
organization = {Springer}
}
Deep Sets Manzil Zaheer, Satwik Kottur, Siamak Ravanbakhsh, Barnabas Poczos, Ruslan R Salakhutdinov, and Alexander J Smola.Advances in Neural Information Processing Systems 30, 2017
oral presentation (1% acceptance rate)
PDF |
Supplement |
arXiv |
Code |
BibTeX
@inproceedings{NIPS2017_6931,
title = {Deep Sets},
author = {Zaheer, Manzil and Kottur, Satwik and Ravanbakhsh, Siamak and Poczos, Barnabas and Salakhutdinov, Ruslan R and Smola, Alexander J},
booktitle = {Advances in Neural Information Processing Systems 30},
pages = {3391--3401},
year = {2017},
publisher = {Curran Associates, Inc.},
url_pdf = {http://papers.nips.cc/paper/6931-deep-sets.pdf},
url_arxiv = {https://arxiv.org/abs/1703.06114},
url_code = {https://github.com/manzilzaheer/DeepSets}
}
Enabling Dark Energy Science with Deep Generative Models of Galaxy Images Siamak Ravanbakhsh, Francois Lanusse, Rachel Mandelbaum, Jeff Schneider, and Barnabas Poczos.Proceedings of the Thirty First AAAI Conference on Artificial Intelligence, 2017
arXiv |
PDF |
Nature News |
BibTeX
@inproceedings{ravanbakhsh_gengalaxy,
title = {Enabling Dark Energy Science with Deep Generative Models of Galaxy Images},
author = {Ravanbakhsh, Siamak and Lanusse, Francois and Mandelbaum, Rachel and Schneider, Jeff and Poczos, Barnabas},
booktitle = {Proceedings of the Thirty First AAAI Conference on Artificial Intelligence},
url_arxiv = {https://arxiv.org/abs/1609.05796},
url_pdf = {http://www.aaai.org/ocs/index.php/AAAI/AAAI17/paper/download/14765/13939},
year = {2017}
}
Equivariance Through Parameter-Sharing Siamak Ravanbakhsh, Jeff Schneider, and Barnabas Poczos.Proceedings of the 34th International Conference on Machine Learning, 2017
arXiv |
PDF |
BibTeX
@inproceedings{ravanbakhsh_equivariance,
author = {Ravanbakhsh, Siamak and Schneider, Jeff and Poczos, Barnabas},
title = {Equivariance Through Parameter-Sharing},
booktitle = {Proceedings of the 34th International Conference on Machine Learning},
series = {JMLR: W&CP},
volume = {70},
year = {2017},
month = {August},
url_arxiv = {https://arxiv.org/abs/1702.08389},
url_pdf = {http://proceedings.mlr.press/v70/ravanbakhsh17a/ravanbakhsh17a-supp.pdf}
}
Min-Max Propagation Christopher Srinivasa, Inmar Givoni, Siamak Ravanbakhsh, and Brendan J Frey.Advances in Neural Information Processing Systems 30, 2017
PDF |
Supplement |
BibTeX
@inproceedings{NIPS2017_7140,
title = {Min-Max Propagation},
author = {Srinivasa, Christopher and Givoni, Inmar and Ravanbakhsh, Siamak and Frey, Brendan J},
booktitle = {Advances in Neural Information Processing Systems 30},
pages = {5565--5573},
year = {2017},
publisher = {Curran Associates, Inc.},
url_pdf = {http://papers.nips.cc/paper/7140-min-max-propagation.pdf}
}
Boolean Matrix Factorization and Noisy Completion via Message Passing Siamak Ravanbakhsh, Barnabás Póczos, and Russell Greiner.Proceedings of The 33rd International Conference on Machine Learning, 2016
Paper |
Code |
BibTeX
@inproceedings{ravanbakhsh_boolean,
title = {Boolean Matrix Factorization and Noisy Completion via Message Passing},
author = {Ravanbakhsh, Siamak and P{\'o}czos, Barnab{\'a}s and Greiner, Russell},
booktitle = {Proceedings of The 33rd International Conference on Machine Learning},
series = {JMLR: W&CP},
volume = {48},
year = {2016},
url_paper = {http://jmlr.org/proceedings/papers/v48/ravanbakhsha16.pdf},
url_code = {https://github.com/mravanba/BooleanFactorization}
}
Estimating Cosmological Parameters from the Dark Matter Distribution Siamak Ravanbakhsh, Junier Oliva, Sebastien Fromenteau, Layne C Price, Shirley Ho, Jeff Schneider, and Barnabás Póczos.Proceedings of The 33rd International Conference on Machine Learning, 2016
Paper |
BibTeX
@inproceedings{ravanbakhsh_lambdacdm,
title = {Estimating Cosmological Parameters from the Dark Matter Distribution},
author = {Ravanbakhsh, Siamak and Oliva, Junier and Fromenteau, Sebastien and Price, Layne C and Ho, Shirley and Schneider, Jeff and P{\'o}czos, Barnab{\'a}s},
booktitle = {Proceedings of The 33rd International Conference on Machine Learning},
editor = {Maria Balcan and Kilian Weinberger},
series = {JMLR: W&CP},
volume = {48},
year = {2016},
url_paper = {http://jmlr.org/proceedings/papers/v48/ravanbakhshb16.pdf}
}
Stochastic Neural Networks with Monotonic Activation Functions Siamak Ravanbakhsh, Barnabas Poczos, Jeff Schneider, Dale Schuurmans, and Russell Greiner.International Conference on Artificial Intelligence and Statistics, 2016
oral presentation (6.5\% acceptance rate)
PDF |
BibTeX
@inproceedings{ravanbakhsh_exprbm,
author = {Ravanbakhsh, Siamak and Poczos, Barnabas and Schneider, Jeff and Schuurmans, Dale and Greiner, Russell},
title = {Stochastic Neural Networks with Monotonic Activation Functions},
booktitle = {International Conference on Artificial Intelligence and Statistics},
series = {JMLR: W&CP},
volume = {51},
pages = {809–818},
year = {2016},
url_pdf = {http://www.jmlr.org/proceedings/papers/v51/ravanbakhsh16.pdf}
}
Survey Propagation beyond Constraint Satisfaction Problems Christopher Srinivasa, Siamak Ravanbakhsh, and Brendan Frey.International Conference on Artificial Intelligence and Statistics, 2016
oral presentation (6.5\% acceptance rate)
PDF |
Supplement |
BibTeX
@inproceedings{Srinivasa_sp,
author = {Srinivasa, Christopher and Ravanbakhsh, Siamak and Frey, Brendan},
title = {Survey Propagation beyond Constraint Satisfaction Problems},
booktitle = {International Conference on Artificial Intelligence and Statistics},
series = {JMLR: W&CP},
volume = {51},
pages = {286–295},
year = {2016},
url_pdf = {http://www.jmlr.org/proceedings/papers/v51/srinivasa16.pdf}
}
Embedding Inference for Structured Multilabel Prediction Farzaneh Mirzazadeh, Siamak Ravanbakhsh, Nan Ding, and Dale Schuurmans.Advances in Neural Information Processing Systems 28, 2015
PDF |
BibTeX
@incollection{NIPS2015_5675,
title = {Embedding Inference for Structured Multilabel Prediction},
author = {Mirzazadeh, Farzaneh and Ravanbakhsh, Siamak and Ding, Nan and Schuurmans, Dale},
booktitle = {Advances in Neural Information Processing Systems 28},
editor = {C. Cortes and N. D. Lawrence and D. D. Lee and M. Sugiyama and R. Garnett},
pages = {3555--3563},
year = {2015},
publisher = {Curran Associates, Inc.},
url_pdf = {http://papers.nips.cc/paper/5675-embedding-inference-for-structured-multilabel-prediction.pdf}
}
Augmentative Message Passing for Traveling Salesman Problem and Graph Partitioning Siamak Ravanbakhsh, Reihaneh Rabbany, and Russell Greiner.Advances in Neural Information Processing Systems, 2014
Paper |
BibTeX
@inproceedings{ravanbakhsh_tsp,
author = {Ravanbakhsh, Siamak and Rabbany, Reihaneh and Greiner, Russell},
title = {Augmentative Message Passing for Traveling Salesman Problem and Graph Partitioning},
booktitle = {Advances in Neural Information Processing Systems},
year = {2014},
pages = {289--297},
publisher = {MIT Press},
address = {Cambridge, MA, USA},
url_paper = {https://papers.nips.cc/paper/5601-augmentative-message-passing-for-traveling-salesman-problem-and-graph-partitioning.pdf}
}
Min-Max Problems on Factor Graphs Siamak Ravanbakhsh, Christopher Srinivasa, Brendan Frey, and Russell Greiner.Proceedings of the 31st International Conference on Machine Learning, 2014
PDF |
Supplement |
BibTeX
@inproceedings{ravanbakhsh_minmax,
title = {Min-Max Problems on Factor Graphs},
author = {Ravanbakhsh, Siamak and Srinivasa, Christopher and Frey, Brendan and Greiner, Russell},
booktitle = {Proceedings of the 31st International Conference on Machine Learning},
pages = {1035--1043},
year = {2014},
url_pdf = {http://jmlr.org/proceedings/papers/v32/ravanbakhsh14.pdf}
}
A Generalized Loop Correction Method for Approximate Inference in Graphical Models Siamak Ravanbakhsh, Chun-Nam Yu, and Russell Greiner.Proceedings of the 29th International Conference on Machine Learning, 2012
PDF |
BibTeX
@inproceedings{ravanbakhsh_glc,
author = {Siamak Ravanbakhsh and Chun-Nam Yu and Russell Greiner},
title = {A Generalized Loop Correction Method for Approximate Inference in Graphical Models},
booktitle = {Proceedings of the 29th International Conference on Machine Learning},
series = {ICML '12},
year = {2012},
editor = {John Langford and Joelle Pineau},
month = {July},
publisher = {Omnipress},
address = {New York, NY, USA},
pages = {543--550},
url_pdf = {http://icml.cc/2012/papers/304.pdf}
}
A Cross Entropy Optimization Method for Partially Decomposable Problems Siamak Ravanbakhsh, Barnabas Poczos, and Russ Greiner.Proceedings of the Twenty-Fourth AAAI Conference on Artificial Intelligence. Special Track on AI and Bioinformatics, 2010
Paper |
Slides |
BibTeX
@inproceedings{ravanbakhsh_nmr,
author = {Ravanbakhsh, Siamak and Poczos, Barnabas and Greiner, Russ},
title = {A Cross Entropy Optimization Method for Partially Decomposable Problems},
booktitle = {Proceedings of the Twenty-Fourth AAAI Conference on Artificial Intelligence. Special Track on AI and Bioinformatics},
pages = {1280--1286},
year = {2010},
editor = {M. Fox, D. Poole},
publisher = {AAAI Press},
month = {July 11 {--} 15},
address = {Atlanta, USA},
url_paper = {http://www.aaai.org/ocs/index.php/AAAI/AAAI10/paper/view/1848/2196}
}
Journal Papers
Scalable Hierarchical Self-Attention with Learnable Hierarchy for Long-Range Interactions Thuan Trang, Khang Nhat Ngo, Hugo Sonnery, Thieu Vo, Siamak Ravanbakhsh, and Truong Son Hy.Transactions on Machine Learning Research, 2024
Paper |
BibTeX
@article{trang2024scalable,
title = {Scalable Hierarchical Self-Attention with Learnable Hierarchy for Long-Range Interactions},
author = {Trang, Thuan and Ngo, Khang Nhat and Sonnery, Hugo and Vo, Thieu and Ravanbakhsh, Siamak and Hy, Truong Son},
journal = {Transactions on Machine Learning Research},
year = {2024},
url_paper = {https://openreview.net/pdf?id=qH4YFMyhce}
}
Characterization of Inpaint Residuals in Interferometric Measurements of the Epoch of Reionization Michael Pagano, Jing Liu, Adrian Liu, Nicholas S. Kern, Aaron Ewall-Wice, Philip Bull, Robert Pascua, Siamak Ravanbakhsh, Zara Abdurashidova, Tyrone Adams, and James E. Aguirre, et al..Monthly Notices of the Royal Astronomical Society, 2023
BibTeX
@article{pagano2023inpaint,
title = {Characterization of Inpaint Residuals in Interferometric Measurements of the Epoch of Reionization},
author = {Pagano, Michael and Liu, Jing and Liu, Adrian and Kern, Nicholas S. and Ewall-Wice, Aaron and Bull, Philip and Pascua, Robert and Ravanbakhsh, Siamak and Abdurashidova, Zara and Adams, Tyrone and Aguirre, James E. and others},
journal = {Monthly Notices of the Royal Astronomical Society},
year = {2023}
}
Galaxies and Halos on Graph Neural Networks: Deep Generative Modeling Scalar and Vector Quantities for Intrinsic Alignment Yesukhei Jagvaral, François Lanusse, Sukhdeep Singh, Rachel Mandelbaum, Siamak Ravanbakhsh, and Duncan Campbell.Monthly Notices of the Royal Astronomical Society, 2022
arXiv |
BibTeX
@article{jagvaral2022galaxies,
title = {Galaxies and Halos on Graph Neural Networks: Deep Generative Modeling Scalar and Vector Quantities for Intrinsic Alignment},
author = {Jagvaral, Yesukhei and Lanusse, Fran{\c{c}}ois and Singh, Sukhdeep and Mandelbaum, Rachel and Ravanbakhsh, Siamak and Campbell, Duncan},
journal = {Monthly Notices of the Royal Astronomical Society},
year = {2022},
url_arxiv = {https://arxiv.org/abs/2204.07077}
}
Deep generative models for galaxy image simulations François Lanusse, Rachel Mandelbaum, Siamak Ravanbakhsh, Chun-Liang Li, Peter Freeman, and Barnabás Póczos.Monthly Notices of the Royal Astronomical Society, 2021
BibTeX
@article{lanusse2021deep,
title = {Deep generative models for galaxy image simulations},
author = {Lanusse, Fran{\c{c}}ois and Mandelbaum, Rachel and Ravanbakhsh, Siamak and Li, Chun-Liang and Freeman, Peter and P{\'o}czos, Barnab{\'a}s},
journal = {Monthly Notices of the Royal Astronomical Society},
volume = {504},
number = {4},
pages = {5543--5555},
year = {2021},
publisher = {Oxford University Press}
}
Recovering the wedge modes lost to 21-cm foregrounds Samuel Gagnon-Hartman, Yue Cui, Adrian Liu, and Siamak Ravanbakhsh.Monthly Notices of the Royal Astronomical Society, 2021
BibTeX
@article{gagnon2021recovering,
title = {Recovering the wedge modes lost to 21-cm foregrounds},
author = {Gagnon-Hartman, Samuel and Cui, Yue and Liu, Adrian and Ravanbakhsh, Siamak},
journal = {Monthly Notices of the Royal Astronomical Society},
volume = {504},
number = {4},
pages = {4716--4729},
year = {2021},
publisher = {Oxford University Press}
}
Learning to predict the cosmological structure formation Siyu He, Yin Li, Yu Feng, Shirley Ho, Siamak Ravanbakhsh, Wei Chen, and Barnabas Poczos.Proceedings of the National Academy of Sciences, 2019
BibTeX
@article{he2019learning,
title = {Learning to predict the cosmological structure formation},
author = {He, Siyu and Li, Yin and Feng, Yu and Ho, Shirley and Ravanbakhsh, Siamak and Chen, Wei and Poczos, Barnabas},
journal = {Proceedings of the National Academy of Sciences},
pages = {201821458},
year = {2019},
publisher = {National Acad Sciences}
}
CMU DeepLens: deep learning for automatic image-based galaxy–galaxy strong lens finding François Lanusse, Quanbin Ma, Nan Li, Thomas E. Collett, Chun-Liang Li, Siamak Ravanbakhsh, Rachel Mandelbaum, and Barnabás Póczos.Monthly Notices of the Royal Astronomical Society, 2018
Link |
In the news |
Code |
arXiv |
BibTeX
@article{doi:10.1093/mnras/stx1665,
author = {Lanusse, François and Ma, Quanbin and Li, Nan and Collett, Thomas E. and Li, Chun-Liang and Ravanbakhsh, Siamak and Mandelbaum, Rachel and Póczos, Barnabás},
title = {CMU DeepLens: deep learning for automatic image-based galaxy–galaxy strong lens finding},
journal = {Monthly Notices of the Royal Astronomical Society},
volume = {473},
number = {3},
pages = {3895-3906},
year = {2018},
doi = {10.1093/mnras/stx1665},
url = {http://dx.doi.org/10.1093/mnras/stx1665},
url_code = {https://github.com/McWilliamsCenter/CMUDeepLens},
url_arxiv = {https://arxiv.org/abs/1703.02642}
}
Low-Dimensional Perturb-and-MAP Approach for Learning Restricted Boltzmann Machines Jakub M Tomczak, Szymon Zareba, Siamak Ravanbakhsh, and Russell Greiner.Neural Processing Letters, 2018
BibTeX
@article{tomczak2018low,
title = {Low-Dimensional Perturb-and-MAP Approach for Learning Restricted Boltzmann Machines},
author = {Tomczak, Jakub M and Zar{\k{e}}ba, Szymon and Ravanbakhsh, Siamak and Greiner, Russell},
journal = {Neural Processing Letters},
pages = {1--19},
year = {2018},
publisher = {Springer}
}
Accurate, Fully-Automated NMR Spectral Profiling for Metabolomics Siamak Ravanbakhsh, Philip Liu, Trent Bjordahl, Rupasri Mandal, Jason Grant, Michael Wilson, Roman Eisner, Igor Sinelnikov, Xiaoyu Hu, Claudio Luchinat, Russell Greiner, and David Wishart.PLoS ONE, 2015
arXiv |
PDF |
Website |
In the news |
BibTeX
@article{ravanbakhsh_plosone,
author = {Ravanbakhsh, Siamak and Liu, Philip and Bjordahl, Trent and Mandal, Rupasri and Grant, Jason and Wilson, Michael and Eisner, Roman and Sinelnikov, Igor and Hu, Xiaoyu and Luchinat, Claudio and Greiner, Russell and Wishart, David},
journal = {PLoS ONE},
publisher = {Public Library of Science},
title = {Accurate, Fully-Automated NMR Spectral Profiling for Metabolomics},
year = {2015},
month = {05},
volume = {10},
pages = {e0124219},
number = {5},
doi = {10.1371/journal.pone.0124219},
url_arxiv = {https://arxiv.org/abs/1409.1456},
url_pdf = {http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0124219}
}
Perturbed Message Passing for Constraint Satisfaction Problems Siamak Ravanbakhsh, and Russell Greiner.Journal of Machine Learning Research, 2015
PDF |
BibTeX
@article{ravanbakhsh_csp,
title = {Perturbed Message Passing for Constraint Satisfaction Problems},
author = {Ravanbakhsh, Siamak and Greiner, Russell},
journal = {Journal of Machine Learning Research},
volume = {16},
pages = {1249-1274},
year = {2015},
url_pdf = {http://www.jmlr.org/papers/volume16/ravanbakhsh15a/ravanbakhsh15a.pdf}
}
Determination of the optimal tubulin isotype target as a method for the development of individualized cancer chemotherapy Siamak Ravanbakhsh, Melissa Gajewski, Russell Greiner, and Jack A Tuszynski.Theoretical Biology and Medical Modelling, 2013
PDF |
BibTeX
@article{ravanbakhsh_tubulin,
title = {Determination of the optimal tubulin isotype target as a method for the development of individualized cancer chemotherapy},
author = {Ravanbakhsh, Siamak and Gajewski, Melissa and Greiner, Russell and Tuszynski, Jack A},
journal = {Theoretical Biology and Medical Modelling},
volume = {10},
number = {1},
pages = {1},
year = {2013},
publisher = {BioMed Central},
url_pdf = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3651705/pdf/1742-4682-10-29.pdf}
}
Workshop Papers
Molecule property prediction with molecular orbitals Yan Zhang, Khang Ngo, Sékou-Oumar Kaba, Daniel T Levy, Siamak Ravanbakhsh, Aristide Baratin, Kisoo Kwon, MiYoung Jang, Eun Hyun Cho, and Sangha Park, et al..ICLR Workshop on AI for Accelerated Materials Design (AI4MAT), 2026
BibTeX
@inproceedings{zhang2026molecule,
title = {Molecule property prediction with molecular orbitals},
author = {Zhang, Yan and Ngo, Khang and Kaba, S{\'e}kou-Oumar and Levy, Daniel T and Ravanbakhsh, Siamak and Baratin, Aristide and Kwon, Kisoo and Jang, MiYoung and Cho, Eun Hyun and Park, Sangha and others},
booktitle = {ICLR Workshop on AI for Accelerated Materials Design (AI4MAT)},
year = {2026}
}
Diffusion Tree Sampling: Scalable Inference-Time Alignment of Diffusion Models Vineet Jain, Kusha Sareen, Mohammad Pedramfar, and Siamak Ravanbakhsh.ICML Workshop on Test-Time Adaptation, 2025
BibTeX
@inproceedings{jain2025tta,
title = {Diffusion Tree Sampling: Scalable Inference-Time Alignment of Diffusion Models},
author = {Jain, Vineet and Sareen, Kusha and Pedramfar, Mohammad and Ravanbakhsh, Siamak},
booktitle = {ICML Workshop on Test-Time Adaptation},
year = {2025}
}
Long-Horizon Model-Based Offline Reinforcement Learning Without Conservatism Tianwei Ni, Esther Derman, Vineet Jain, Vincent Taboga, Siamak Ravanbakhsh, and Pierre-Luc Bacon.NeurIPS 2025 Workshop: Second Workshop on Aligning Reinforcement Learning Experimentalists and Theorists, 2025
Paper |
BibTeX
@inproceedings{ni2025long,
title = {Long-Horizon Model-Based Offline Reinforcement Learning Without Conservatism},
author = {Ni, Tianwei and Derman, Esther and Jain, Vineet and Taboga, Vincent and Ravanbakhsh, Siamak and Bacon, Pierre-Luc},
booktitle = {NeurIPS 2025 Workshop: Second Workshop on Aligning Reinforcement Learning Experimentalists and Theorists},
year = {2025},
url_paper = {https://openreview.net/pdf?id=iDGX01XFuK}
}
Parity Requires Unified Input Dependence and Negative Eigenvalues in SSMs Behnoush Khavari, Jayesh Khullar, Mehran Shakerinava, Jerry Huang, Siamak Ravanbakhsh, and Sarath Chandar.ICML 2025 Workshop on Methods and Opportunities at Small Scale, 2025
arXiv |
BibTeX
@inproceedings{khavari2025parity,
title = {Parity Requires Unified Input Dependence and Negative Eigenvalues in SSMs},
author = {Khavari, Behnoush and Khullar, Jayesh and Shakerinava, Mehran and Huang, Jerry and Ravanbakhsh, Siamak and Chandar, Sarath},
booktitle = {ICML 2025 Workshop on Methods and Opportunities at Small Scale},
url_arxiv = {https://arxiv.org/abs/2508.07395},
year = {2025}
}
Progressive Inference-Time Annealing of Diffusion Models for Sampling from Boltzmann Densities Tara Akhound-Sadegh, Jungyoon Lee, Joey Bose, Valentin De Bortoli, Arnaud Doucet, Michael Bronstein, Dominique Beaini, Siamak Ravanbakhsh, Kirill Neklyudov, and Alexander Tong.ICML Workshop on Generative AI and Biology (GenBio), 2025
spotlight presentation
BibTeX
@inproceedings{akhound2025genbio,
title = {Progressive Inference-Time Annealing of Diffusion Models for Sampling from Boltzmann Densities},
author = {Akhound-Sadegh, Tara and Lee, Jungyoon and Bose, Joey and De Bortoli, Valentin and Doucet, Arnaud and Bronstein, Michael and Beaini, Dominique and Ravanbakhsh, Siamak and Neklyudov, Kirill and Tong, Alexander},
booktitle = {ICML Workshop on Generative AI and Biology (GenBio)},
year = {2025}
}
Sampling from Energy-based Policies using Diffusion Vineet Jain, Tara Akhound-Sadegh, and Siamak Ravanbakhsh.ICLR Workshop on Generative Models for Robot Learning, 2025
BibTeX
@inproceedings{jain2025gmrl_sampling,
title = {Sampling from Energy-based Policies using Diffusion},
author = {Jain, Vineet and Akhound-Sadegh, Tara and Ravanbakhsh, Siamak},
booktitle = {ICLR Workshop on Generative Models for Robot Learning},
year = {2025}
}
Symmetry-Aware Generative Modeling through Learned Canonicalization Kusha Sareen, Daniel Levy, Arnab Kumar Mondal, Sékou-Oumar Kaba, Tara Akhound-Sadegh, and Siamak Ravanbakhsh.NeurIPS 2024 Workshop on Symmetry and Geometry in Neural Representations, 2025
arXiv |
BibTeX
@inproceedings{sareen2024symmetry,
title = {Symmetry-Aware Generative Modeling through Learned Canonicalization},
author = {Sareen, Kusha and Levy, Daniel and Mondal, Arnab Kumar and Kaba, S{\'e}kou-Oumar and Akhound-Sadegh, Tara and Ravanbakhsh, Siamak},
booktitle = {NeurIPS 2024 Workshop on Symmetry and Geometry in Neural Representations},
year = {2025},
url_arxiv = {https://arxiv.org/abs/2501.07773}
}
The Expressive Limits of Diagonal SSMs for State-Tracking Mehran Shakerinava, Behnoush Khavari, Siamak Ravanbakhsh, and Sarath Chandar.World Modeling Workshop (WMW), 2025
BibTeX
@inproceedings{shakerinava2025wmw,
title = {The Expressive Limits of Diagonal SSMs for State-Tracking},
author = {Shakerinava, Mehran and Khavari, Behnoush and Ravanbakhsh, Siamak and Chandar, Sarath},
booktitle = {World Modeling Workshop (WMW)},
year = {2025}
}
Diffusion-Based In-painting of Corrupted Spectrogram Mahsa Masoud, Reyhane Askari, Kevin Chen, Adrian Liu, and Siamak Ravanbakhsh.NeurIPS Workshop on Machine Learning and the Physical Sciences (also at MAIS and WiML), 2024
BibTeX
@inproceedings{masoud2024diffusion,
title = {Diffusion-Based In-painting of Corrupted Spectrogram},
author = {Masoud, Mahsa and Askari, Reyhane and Chen, Kevin and Liu, Adrian and Ravanbakhsh, Siamak},
booktitle = {NeurIPS Workshop on Machine Learning and the Physical Sciences (also at MAIS and WiML)},
year = {2024}
}
EquiAdapt: Equivariant Adaptation of Large Pretrained Models Arnab Kumar Mondal, Siba Smarak Panigrahi, Sékou-Oumar Kaba, Sai Rajeswar, and Siamak Ravanbakhsh.CVPR Workshop on Equivariant Vision, 2024
spotlight presentation
BibTeX
@inproceedings{mondal2024equiadapt_ws,
title = {EquiAdapt: Equivariant Adaptation of Large Pretrained Models},
author = {Mondal, Arnab Kumar and Panigrahi, Siba Smarak and Kaba, S{\'e}kou-Oumar and Rajeswar, Sai and Ravanbakhsh, Siamak},
booktitle = {CVPR Workshop on Equivariant Vision},
year = {2024}
}
Learning to Reach Goals via Diffusion Vineet Jain, and Siamak Ravanbakhsh.ICLR Workshop on Generative Models for Decision Making, 2024
BibTeX
@inproceedings{jain2024gmrl_goals,
title = {Learning to Reach Goals via Diffusion},
author = {Jain, Vineet and Ravanbakhsh, Siamak},
booktitle = {ICLR Workshop on Generative Models for Decision Making},
year = {2024}
}
SymmCD: Symmetry-Preserving Crystal Generation with Diffusion Models Daniel Levy, Siba Smarak Panigrahi, Sékou-Oumar Kaba, Qiang Zhu, Mikhail Galkin, Santiago Miret, and Siamak Ravanbakhsh.NeurIPS Workshop on AI for Materials (AI4MAT), 2024
oral presentation
BibTeX
@inproceedings{levy2024symmcd_workshop,
title = {SymmCD: Symmetry-Preserving Crystal Generation with Diffusion Models},
author = {Levy, Daniel and Panigrahi, Siba Smarak and Kaba, S{\'e}kou-Oumar and Zhu, Qiang and Galkin, Mikhail and Miret, Santiago and Ravanbakhsh, Siamak},
booktitle = {NeurIPS Workshop on AI for Materials (AI4MAT)},
year = {2024}
}
Symmetry Breaking and Equivariant Neural Networks Sékou-Oumar Kaba, and Siamak Ravanbakhsh.NeurIPS 2023 Workshop on Symmetry and Geometry in Neural Representations, 2024
oral presentation
Paper |
BibTeX
@inproceedings{kaba2023symmetry,
title = {Symmetry Breaking and Equivariant Neural Networks},
author = {Kaba, S{\'e}kou-Oumar and Ravanbakhsh, Siamak},
booktitle = {NeurIPS 2023 Workshop on Symmetry and Geometry in Neural Representations},
year = {2024},
url_paper = {https://openreview.net/pdf?id=d55JaRL9wh}
}
Efficient Dynamics Modeling in Interactive Environments with Koopman Theory Arnab Kumar Mondal, Siba Smarak Panigrahi, Sai Rajeswar, Kaleem Siddiqi, and Siamak Ravanbakhsh.European Workshop on Reinforcement Learning, 2023
arXiv |
BibTeX
@article{mondal2023efficient,
title = {Efficient Dynamics Modeling in Interactive Environments with Koopman Theory},
author = {Mondal, Arnab Kumar and Panigrahi, Siba Smarak and Rajeswar, Sai and Siddiqi, Kaleem and Ravanbakhsh, Siamak},
journal = {European Workshop on Reinforcement Learning},
url_arxiv = {https://arxiv.org/abs/2306.11941},
year = {2023}
}
Lie Point Symmetry and Physics Informed Networks Tara Akhound-Sadegh, Laurence Perreault-Levasseur, Johannes Brandstetter, Max Welling, and Siamak Ravanbakhsh.ICML Workshop on Topology, Algebra and Geometry in Machine Learning, 2023
PDF |
BibTeX
@article{akhound2023lie,
title = {Lie Point Symmetry and Physics Informed Networks},
author = {Akhound-Sadegh, Tara and Perreault-Levasseur, Laurence and Brandstetter, Johannes and Welling, Max and Ravanbakhsh, Siamak},
booktitle = {ICML Workshop on Topology, Algebra and Geometry in Machine Learning},
url_pdf = {https://openreview.net/pdf?id=VlUf77e9cR},
year = {2023}
}
Physics-Informed Transformer Networks Fabricio Dos Santos, Tara Akhound-Sadegh, and Siamak Ravanbakhsh.NeurIPS Workshop on The Symbiosis of Deep Learning and Differential Equations III, 2023
PDF |
BibTeX
@article{dos2023lie,
title = {Physics-Informed Transformer Networks},
author = {Dos Santos, Fabricio and Akhound-Sadegh, Tara and Ravanbakhsh, Siamak},
booktitle = {NeurIPS Workshop on The Symbiosis of Deep Learning and Differential Equations III},
url_pdf = {https://openreview.net/forum?id=zu80h9YryU},
year = {2023}
}
Sequoia: Hierarchical Self-Attention Layer with Sparse Updates for Point Clouds and Long Sequences Hugo Sonnery, Thuan Anh Trang, Nhat Thieu, Siamak Ravanbakhsh, and Truong Son Hy.ICLR 2023 Workshop on Sparsity in Neural Networks, 2023
BibTeX
@inproceedings{sonnery2023sequoia,
title = {Sequoia: Hierarchical Self-Attention Layer with Sparse Updates for Point Clouds and Long Sequences},
author = {Sonnery, Hugo and Trang, Thuan Anh and Thieu, Nhat and Ravanbakhsh, Siamak and Hy, Truong Son},
booktitle = {ICLR 2023 Workshop on Sparsity in Neural Networks},
year = {2023}
}
Using Multiple Vector Channels Improves E (n)-Equivariant Graph Neural Networks Daniel Levy, Sékou-Oumar Kaba, Carmelo Gonzales, Santiago Miret, and Siamak Ravanbakhsh.ICML Workshop on Machine Learning for Astrophysics, 2023
PDF |
BibTeX
@inproceedings{levy-icml2023,
title = {Using Multiple Vector Channels Improves E (n)-Equivariant Graph Neural Networks},
author = {Levy, Daniel and Kaba, Sékou-Oumar and Gonzales, Carmelo and Miret, Santiago and Ravanbakhsh, Siamak},
booktitle = {ICML Workshop on Machine Learning for Astrophysics},
url_pdf = {https://ml4astro.github.io/icml2023/assets/68.pdf},
year = {2023}
}
Equivariance with Learned Canonicalization Functions Sékou-Oumar Kaba, Arnab Kumar Mondal, Yoshua Bengio, Yan Zhang, and Siamak Ravanbakhsh.NeurIPS Workshop on Symmetry and Geometry in Neural Representations, 2022
oral presentation (10.8\% acceptance rate)
BibTeX
@inproceedings{kaba2022canonicalization_ws,
title = {Equivariance with Learned Canonicalization Functions},
author = {Kaba, S{\'e}kou-Oumar and Mondal, Arnab Kumar and Bengio, Yoshua and Zhang, Yan and Ravanbakhsh, Siamak},
booktitle = {NeurIPS Workshop on Symmetry and Geometry in Neural Representations},
year = {2022}
}
Galaxies and Halos on Graph Neural Networks: Deep Generative Modeling Scalar and Vector Quantities for Intrinsic Alignment Yesukhei Jagvaral, François Lanusse, Sukhdeep Singh, Rachel Mandelbaum, Siamak Ravanbakhsh, and Duncan Campbell.ICML Workshop on Machine Learning for Astrophysics, 2022
BibTeX
@inproceedings{jagvaral2022_workshop,
title = {Galaxies and Halos on Graph Neural Networks: Deep Generative Modeling Scalar and Vector Quantities for Intrinsic Alignment},
author = {Jagvaral, Yesukhei and Lanusse, Fran{\c{c}}ois and Singh, Sukhdeep and Mandelbaum, Rachel and Ravanbakhsh, Siamak and Campbell, Duncan},
booktitle = {ICML Workshop on Machine Learning for Astrophysics},
year = {2022}
}
SpeqNets: Sparsity-aware Permutation-equivariant Graph Networks Christopher Morris, Gaurav Rattan, Sandra Kiefer, and Siamak Ravanbakhsh.ICLR Workshop on Geometrical and Topological Representation Learning, 2022
BibTeX
@inproceedings{morris2022_workshop,
title = {SpeqNets: Sparsity-aware Permutation-equivariant Graph Networks},
author = {Morris, Christopher and Rattan, Gaurav and Kiefer, Sandra and Ravanbakhsh, Siamak},
booktitle = {ICLR Workshop on Geometrical and Topological Representation Learning},
year = {2022}
}
Designing Networks to Accurately Learn 2D Turbulence Closures Keaton Burns, Ronan Legin, Adrian Liu, Laurence Perreault-Levasseur, Yashar Hezaveh, Siamak Ravanbakhsh, and Geoffrey Wagner.Bulletin of the American Physical Society, 2020
BibTeX
@inproceedings{burns2020turbulence,
title = {Designing Networks to Accurately Learn 2D Turbulence Closures},
author = {Burns, Keaton and Legin, Ronan and Liu, Adrian and Perreault-Levasseur, Laurence and Hezaveh, Yashar and Ravanbakhsh, Siamak and Wagner, Geoffrey},
booktitle = {Bulletin of the American Physical Society},
year = {2020}
}
Analysis of Cosmic Microwave Background with Deep Learning Siyu He, Siamak Ravanbakhsh, and Shirley Ho.International Conference on Learning Representations (ICLR), workshop track, 2018
PDF |
BibTeX
@inproceedings{he_cmb,
title = {Analysis of Cosmic Microwave Background with Deep Learning},
author = {He, Siyu and Ravanbakhsh, Siamak and Ho, Shirley},
booktitle = {International Conference on Learning Representations (ICLR), workshop track},
year = {2018},
url_pdf = {https://openreview.net/pdf?id=B15uoOyvz}
}
Deep Generative Models on Graphs for Emulating Galaxy Alignments in Cosmological Simulations François Lanusse, Siamak Ravanbakhsh, Rachel Mandelbaum, and Barnabás Póczos.International Biomedical and Astronomical Signal Processing (BASP) Frontiers Workshop, 2018
BibTeX
@inproceedings{lanusse2018basp,
title = {Deep Generative Models on Graphs for Emulating Galaxy Alignments in Cosmological Simulations},
author = {Lanusse, Fran{\c{c}}ois and Ravanbakhsh, Siamak and Mandelbaum, Rachel and P{\'o}czos, Barnab{\'a}s},
booktitle = {International Biomedical and Astronomical Signal Processing (BASP) Frontiers Workshop},
year = {2018}
}
Deep Generative Models of Galaxy Images for the Calibration of the Next Generation of Weak Lensing Surveys François Lanusse, Siamak Ravanbakhsh, Barnabás Póczos, Jeff Schneider, and Rachel Mandelbaum.229th American Astronomical Society Annual Meeting, 2017
BibTeX
@inproceedings{lanusse2017aas,
title = {Deep Generative Models of Galaxy Images for the Calibration of the Next Generation of Weak Lensing Surveys},
author = {Lanusse, Fran{\c{c}}ois and Ravanbakhsh, Siamak and P{\'o}czos, Barnab{\'a}s and Schneider, Jeff and Mandelbaum, Rachel},
booktitle = {229th American Astronomical Society Annual Meeting},
year = {2017}
}
Deep Learning with Sets and Point Clouds Siamak Ravanbakhsh, Jeff Schneider, and Barnabas Poczos.International Conference on Learning Representations (ICLR), workshop track, 2017
arXiv |
Code |
BibTeX
@inproceedings{ravanbakhsh_sets,
title = {Deep Learning with Sets and Point Clouds},
author = {Ravanbakhsh, Siamak and Schneider, Jeff and Poczos, Barnabas},
booktitle = {International Conference on Learning Representations (ICLR), workshop track},
year = {2017},
url_arxiv = {https://arxiv.org/abs/1611.04500},
url_code = {https://github.com/manzilzaheer/DeepSets}
}
Leveraging Machine Learning to Estimate Soil Salinity through Satellite-Based Remote Sensing Paul Welle, Siamak Ravanbakhsh, Barnabás Póczos, and Meagan Mauter.American Geophysical Union Annual Meeting, 2016
BibTeX
@inproceedings{welle2016soil,
title = {Leveraging Machine Learning to Estimate Soil Salinity through Satellite-Based Remote Sensing},
author = {Welle, Paul and Ravanbakhsh, Siamak and P{\'o}czos, Barnab{\'a}s and Mauter, Meagan},
booktitle = {American Geophysical Union Annual Meeting},
year = {2016}
}
Training Restricted Boltzmann Machine by Perturbation Siamak Ravanbakhsh, Russell Greiner, and Brendan Frey.NIPS:workshop on perturbation, optimization and statistics, 2014
PDF |
BibTeX
@inproceedings{ravanbakhsh_pmrbm,
title = {Training Restricted Boltzmann Machine by Perturbation},
author = {Ravanbakhsh, Siamak and Greiner, Russell and Frey, Brendan},
booktitle = {NIPS:workshop on perturbation, optimization and statistics},
url_pdf = {https://arxiv.org/pdf/1405.1436v1.pdf},
year = {2014}
}
Benchmarking Cross Entropy Optimization Method: Analysis of a Batch Sampling Method for Large-Scale Structured Optimization Siamak Ravanbakhsh, and Russell Greiner.NeurIPS Workshop on Monte Carlo Methods for Bayesian Inference, 2010
BibTeX
@inproceedings{ravanbakhsh2010ceed_workshop,
title = {Benchmarking Cross Entropy Optimization Method: Analysis of a Batch Sampling Method for Large-Scale Structured Optimization},
author = {Ravanbakhsh, Siamak and Greiner, Russell},
booktitle = {NeurIPS Workshop on Monte Carlo Methods for Bayesian Inference},
year = {2010}
}
Technical Reports and Preprints
Bayesian Last Layer for Neural Force Fields David Nitchi, Daniel Levy, Michel Cote, and Siamak Ravanbakhsh.Preprint, under review, 2026
BibTeX
@article{nitchi_bayesian_last_layer,
title = {Bayesian Last Layer for Neural Force Fields},
author = {Nitchi, David and Levy, Daniel and Cote, Michel and Ravanbakhsh, Siamak},
journal = {Preprint, under review},
year = {2026}
}
Diffusion Tree Search for Inference Time Adaptation of Material Foundation Models Daniel Levy, Vineet Jain, Tara Akhound-Sadegh, Sékou-Oumar Kaba, and Siamak Ravanbakhsh.Preprint, under review, 2026
BibTeX
@article{levy_diffusion_tree_search,
title = {Diffusion Tree Search for Inference Time Adaptation of Material Foundation Models},
author = {Levy, Daniel and Jain, Vineet and Akhound-Sadegh, Tara and Kaba, S{\'e}kou-Oumar and Ravanbakhsh, Siamak},
journal = {Preprint, under review},
year = {2026}
}
The Role of Symmetry in Optimizing Overparameterized Networks Kusha Sareen, Mohammad Pedramfar, Mehran Shakerinava, Sékou-Oumar Kaba, and Siamak Ravanbakhsh.Preprint, under review, 2026
BibTeX
@article{sareen_role_of_symmetry,
title = {The Role of Symmetry in Optimizing Overparameterized Networks},
author = {Sareen, Kusha and Pedramfar, Mohammad and Shakerinava, Mehran and Kaba, S{\'e}kou-Oumar and Ravanbakhsh, Siamak},
journal = {Preprint, under review},
year = {2026}
}
The Tilted Sampling Problem: Optimism, Posterior Sampling, and Logarithmic Regret Mohammad Pedramfar, and Siamak Ravanbakhsh.Preprint, under review, 2026
BibTeX
@article{pedramfar_tilted,
title = {The Tilted Sampling Problem: Optimism, Posterior Sampling, and Logarithmic Regret},
author = {Pedramfar, Mohammad and Ravanbakhsh, Siamak},
journal = {Preprint, under review},
year = {2026}
}
Equivariant Heterogenous Graph Networks Daniel Levy, and Siamak Ravanbakhsh.BibTeX
@techreport{levy2021heterogenous,
title = {Equivariant Heterogenous Graph Networks},
author = {Levy, Daniel and Ravanbakhsh, Siamak},
year = {2021}
}
Deep Generative Models for Galaxy Image Simulations Francois Lanusse, Rachel Mandelbaum, Siamak Ravanbakhsh, Chun-Liang Li, Peter Freeman, and Barnabas Poczos.arXiv preprint arXiv:2008.03833, 2020
BibTeX
@article{lanusse2020deep,
title = {Deep Generative Models for Galaxy Image Simulations},
author = {Lanusse, Francois and Mandelbaum, Rachel and Ravanbakhsh, Siamak and Li, Chun-Liang and Freeman, Peter and Poczos, Barnabas},
journal = {arXiv preprint arXiv:2008.03833},
year = {2020}
}
Equivariant Entity-Relationship Networks Devon Graham, Junhao Wang, and Siamak Ravanbakhsh.arXiv preprint arXiv:1903.09033, 2020
arXiv |
Code |
BibTeX
@article{graham2020deep,
title = {Equivariant Entity-Relationship Networks},
author = {Graham, Devon and Wang, Junhao and Ravanbakhsh, Siamak},
journal = {arXiv preprint arXiv:1903.09033},
url_arxiv = {https://arxiv.org/abs/1903.09033},
url_code = {https://github.com/drgrhm/exch_model},
year = {2020}
}
Incidence Networks for Geometric Deep Learning Marjan Albooyeh, Daniele Bertolini, and Siamak Ravanbakhsh.arXiv preprint arXiv:1905.11460, 2020
Accepted and presented at ICML 2020. However, we found a mistake in the experiments and retracted the paper.
arXiv |
BibTeX
@article{albooyeh2019incidence,
title = {Incidence Networks for Geometric Deep Learning},
author = {Albooyeh, Marjan and Bertolini, Daniele and Ravanbakhsh, Siamak},
journal = {arXiv preprint arXiv:1905.11460},
url_arxiv = {https://arxiv.org/abs/1905.11460},
year = {2020}
}
LRP2020: Machine Learning Advantages in Canadian Astrophysics KA Venn, S Fabbro, A Liu, Y Hezaveh, L Levasseur, G Eadie, S Ellison, J Woo, JJ Kavelaars, and KM Yi, et al..arXiv preprint arXiv:1910.00774, 2019
BibTeX
@article{venn2019lrp2020,
title = {LRP2020: Machine Learning Advantages in Canadian Astrophysics},
author = {Venn, KA and Fabbro, S and Liu, A and Hezaveh, Y and Levasseur, L and Eadie, G and Ellison, S and Woo, J and Kavelaars, JJ and Yi, KM and others},
journal = {arXiv preprint arXiv:1910.00774},
year = {2019}
}
Annealing Gaussian into ReLU: a New Sampling Strategy for Leaky-ReLU RBM Chun-Liang Li, Siamak Ravanbakhsh, and Barnabás Póczos.arXiv preprint arXiv:1611.03879, 2016
arXiv |
BibTeX
@article{li2016annealing,
title = {Annealing Gaussian into ReLU: a New Sampling Strategy for Leaky-ReLU RBM},
author = {Li, Chun-Liang and Ravanbakhsh, Siamak and P{\'o}czos, Barnab{\'a}s},
journal = {arXiv preprint arXiv:1611.03879},
year = {2016},
url_arxiv = {https://arxiv.org/abs/1611.03879}
}
Revisiting Algebra and Complexity of Inference in Graphical Models Siamak Ravanbakhsh, and Russell Greiner.arXiv preprint arXiv:1409.7410, 2014
arXiv |
BibTeX
@article{ravanbakhsh2014revisiting,
title = {Revisiting Algebra and Complexity of Inference in Graphical Models},
author = {Ravanbakhsh, Siamak and Greiner, Russell},
journal = {arXiv preprint arXiv:1409.7410},
year = {2014},
url_arxiv = {https://arxiv.org/abs/1409.7410}
}
Theses
Message passing and Combinatorial Optimization Siamak Ravanbakhsh.University of Alberta, 2015
faculty of science dissertation award and CS dept. outstanding thesis award runner-up
arXiv |
PDF |
Slides |
BibTeX
@phdthesis{ravanbakhsh_thesis,
author = {Siamak Ravanbakhsh},
title = {Message passing and Combinatorial Optimization},
school = {University of Alberta},
address = {Edmonton, AB, Canada},
year = {2015},
url_arxiv = {https://cs.ubc.ca/~siamakx/papers/phd_thesis_siamak_ravanbakhsh.pdf},
url_pdf = {papers/phd_thesis_siamak_ravanbakhsh.pdf}
}
A Stochastic Optimization Method for Partially Decomposable Problems, with Applications to Analysis of NMR Spectra Siamak Ravanbakhsh.University of Alberta, 2009
nominated for the best M.Sc. thesis award
PDF |
BibTeX
@mastersthesis{ravanbakhsh:thesis,
author = {Siamak Ravanbakhsh},
title = {A Stochastic Optimization Method for Partially Decomposable Problems, with Applications to Analysis of NMR Spectra},
school = {University of Alberta},
address = {Edmonton, AB, Canada},
year = {2009},
url_pdf = {http://papersdb.cs.ualberta.ca/~papersdb/uploaded_files/1032/additional_thesis.pdf}
}