Tomas Geffner  

 



  ![](/sites/default/files/person/Tomas_Geffner.jpg)

  

   Research Area(s)

[Applied Perception](/index.php/research-area/applied-perception)

[Artificial Intelligence and Machine Learning ](/index.php/research-area/machine-learning-artificial-intelligence)

[Generative AI](/index.php/research-area/generative-ai)

 

 

  

 Main Field of Interest

[Generative AI](/index.php/research-area/generative-ai)

 

  

 Google Scholar

[https://scholar.google.com.ar/citations?user=KIIe2K8AAAAJ&hl=es](https://scholar.google.com.ar/citations?user=KIIe2K8AAAAJ&hl=es)

 

  

 

 

 



 ### Publications

 

### 2026 

[La-Proteina: Atomistic Protein Generation via Partially Latent Flow Matching](/publication/2026-01_la-proteina-atomistic-protein-generation-partially-latent-flow-matching)

[Tomas Geffner](/person/tomas-geffner), [Kieran Didi](/person/kieran-didi), Zhonglin Cao, Danny Reidenbach, Zuobai Zhang, Christian Dallago, Emine Kucukbenli, [Karsten Kreis](/person/karsten-kreis), [Arash Vahdat](/person/arash-vahdat)



[International Conference on Learning Representations (ICLR) 2026](https://arxiv.org/abs/2507.09466)









[Proteina-Complexa: Scaling Atomistic Protein Binder Design with Generative Pretraining and Test-Time Compute](/publication/2026-01_proteina-complexa-scaling-atomistic-protein-binder-design-generative)

[Kieran Didi](/person/kieran-didi), Zuobai Zhang, Guoqing Zhou, Danny Reidenbach, Zhonglin Cao, Sooyoung Cha, [Tomas Geffner](/person/tomas-geffner), Christian Dallago, Jian Tang, Michael M. Bronstein, Martin Steinegger, Emine Kucukbenli, [Arash Vahdat](/person/arash-vahdat), [Karsten Kreis](/person/karsten-kreis)



[International Conference on Learning Representations (ICLR) 2026 (Oral)](https://arxiv.org/abs/2603.27950)









### 2025 

[Efficient Molecular Conformer Generation with SO(3)-Averaged Flow Matching and Reflow](/publication/2025-07_efficient-molecular-conformer-generation-so3-averaged-flow-matching-and-reflow)

Zhonglin Cao, Mario Geiger, Allan Dos Santos Costa, Danny Reidenbach, [Karsten Kreis](/person/karsten-kreis), [Tomas Geffner](/person/tomas-geffner), Franco Pellegrini, Guoqing Zhou, Emine Kucukbenli



[International Conference on Machine Learning (ICML) 2025](https://arxiv.org/abs/2507.09785)









[Energy-Based Diffusion Language Models for Text Generation](/publication/2025-01_energy-based-diffusion-language-models-text-generation)

Minkai Xu, [Tomas Geffner](/person/tomas-geffner), [Karsten Kreis](/person/karsten-kreis), Weili Nie, Yilun Xu, Jure Leskovec, Stefano Ermon, [Arash Vahdat](/person/arash-vahdat)



[International Conference on Learning Representations (ICLR) 2025](https://arxiv.org/abs/2410.21357)









[ProtComposer: Compositional Protein Structure Generation with 3D Ellipsoids](/publication/2025-01_protcomposer-compositional-protein-structure-generation-3d-ellipsoids)

Hannes Stark, Bowen Jing, [Tomas Geffner](/person/tomas-geffner), Jason Yim, Tommi Jaakkola, [Arash Vahdat](/person/arash-vahdat), [Karsten Kreis](/person/karsten-kreis)



[International Conference on Learning Representations (ICLR) 2025 (Oral)](https://arxiv.org/abs/2503.05025)









[Truncated Consistency Models](/publication/2025-01_truncated-consistency-models)

Sangyun Lee, Yilun Xu, [Tomas Geffner](/person/tomas-geffner), Giulia Fanti, [Karsten Kreis](/person/karsten-kreis), [Arash Vahdat](/person/arash-vahdat), Weili Nie



[International Conference on Learning Representations (ICLR) 2025](https://arxiv.org/abs/2410.14895)









[Proteina: Scaling Flow-based Protein Structure Generative Models](/publication/2025-01_proteina-scaling-flow-based-protein-structure-generative-models)

[Tomas Geffner](/person/tomas-geffner), [Kieran Didi](/person/kieran-didi), Zuobai Zhang, Danny Reidenbach, Zhonglin Cao, Jason Yim, Mario Geiger, Christian Dallago, Emine Kucukbenli, [Arash Vahdat](/person/arash-vahdat), [Karsten Kreis](/person/karsten-kreis)



[International Conference on Learning Representations (ICLR) 2025 (Oral)](https://arxiv.org/abs/2503.00710)









### 2024 

[Aligning Target-Aware Molecule Diffusion Models with Exact Energy Optimization](/publication/2024-12_aligning-target-aware-molecule-diffusion-models-exact-energy-optimization)

Siyi Gu, Minkai Xu, Alexander Powers, Weili Nie, [Tomas Geffner](/person/tomas-geffner), [Karsten Kreis](/person/karsten-kreis), Jure Leskovec, [Arash Vahdat](/person/arash-vahdat), Stefano Ermon



[Neural Information Processing Systems (NeurIPS) 2024](https://arxiv.org/abs/2407.01648)