Nicolas Beltran-Velez

14 papers A* 5B 1Journal 8
YearRankTypeTitle / Venue / Authors
2026 J jnl
Duel-Evolve: Reward-Free Test-Time Scaling via LLM Self-Preferences.
CoRR
Sweta Karlekar, Carolina Zheng, Magnus Saebo, Nicolas Beltran-Velez, Shuyang Yu, John Bowlan, Michal Kucer, David M. Blei
2026 J jnl
Inference-time Physics Alignment of Video Generative Models with Latent World Models.
CoRR
Jianhao Yuan, Xiaofeng Zhang, Felix Friedrich, Nicolas Beltran-Velez, Melissa Hall, Reyhane Askari Hemmat, Xiaochuang Han, Nicolas Ballas, Michal Drozdzal, Adriana Romero-Soriano
2025 A* conf
Can Generative AI Solve Your In-Context Learning Problem? A Martingale Perspective.
ICLR
Andrew Jesson, Nicolas Beltran-Velez, David M. Blei
2025 J jnl
Improving the Physics of Video Generation with VJEPA-2 Reward Signal.
CoRR
Jianhao Yuan, Xiaofeng Zhang, Felix Friedrich, Nicolas Beltran-Velez, Melissa Hall, Reyhane Askari Hemmat, Xiaochuang Han, Nicolas Ballas, Michal Drozdzal, Adriana Romero-Soriano
2025 J jnl
Model Directions, Not Words: Mechanistic Topic Models Using Sparse Autoencoders.
CoRR
Carolina Zheng, Nicolas Beltran-Velez, Sweta Karlekar, Claudia Shi, Achille Nazaret, Asif Mallik, Amir Feder, David M. Blei
2024 J jnl
Can Generative AI Solve Your In-Context Learning Problem? A Martingale Perspective.
CoRR
Andrew Jesson, Nicolas Beltran-Velez, David M. Blei
2024 B conf
DIISCO: A Bayesian Framework for Inferring Dynamic Intercellular Interactions from Time-Series Single-Cell Data.
RECOMB
Cameron Park, Shouvik Mani, Nicolas Beltran-Velez, Katie Maurer, Satyen Gohil, Shuqiang Li, Teddy Huang, David A. Knowles, Catherine J. Wu, Elham Azizi
2024 A* conf
Estimating the Hallucination Rate of Generative AI.
NeurIPS
Andrew Jesson, Nicolas Beltran-Velez, Quentin Chu, Sweta Karlekar, Jannik Kossen, Yarin Gal, John P. Cunningham, David M. Blei
2024 J jnl
Estimating the Hallucination Rate of Generative AI.
CoRR
Andrew Jesson, Nicolas Beltran-Velez, Quentin Chu, Sweta Karlekar, Jannik Kossen, Yarin Gal, John P. Cunningham, David M. Blei
2024 A* conf
Hypothesis Testing the Circuit Hypothesis in LLMs.
NeurIPS
Claudia Shi, Nicolas Beltran-Velez, Achille Nazaret, Carolina Zheng, Adrià Garriga-Alonso, Andrew Jesson, Maggie Makar, David M. Blei
2024 J jnl
Hypothesis Testing the Circuit Hypothesis in LLMs.
CoRR
Claudia Shi, Nicolas Beltran-Velez, Achille Nazaret, Carolina Zheng, Adrià Garriga-Alonso, Andrew Jesson, Maggie Makar, David M. Blei
2024 A* conf
ReLU to the Rescue: Improve Your On-Policy Actor-Critic with Positive Advantages.
ICML
Andrew Jesson, Chris Lu, Gunshi Gupta, Nicolas Beltran-Velez, Angelos Filos, Jakob Nicolaus Foerster, Yarin Gal
2024 J jnl
Treeffuser: Probabilistic Predictions via Conditional Diffusions with Gradient-Boosted Trees.
CoRR
Nicolas Beltran-Velez, Alessandro Antonio Grande, Achille Nazaret, Alp Kucukelbir, David M. Blei
2024 A* conf
Treeffuser: probabilistic prediction via conditional diffusions with gradient-boosted trees.
NeurIPS
Nicolas Beltran-Velez, Alessandro Antonio Grande, Achille Nazaret, Alp Kucukelbir, David M. Blei