Ax Alejandro Murillo-Gonzalez, Lantao Liu 4/2/2026

Situationally-Aware Dynamics Learning

Framework for robots to learn hidden state representations online in unstructured environments via situational awareness.

Ax Chunyang Jiang, Chi-min Chan, Yiyang Cai, Yulong Liu, Wei Xue, Yike Guo 4/2/2026

Graceful Forgetting in Generative Language Models

Addresses negative transfer in fine-tuning by selectively forgetting unhelpful pre-trained knowledge in language models.

Ax A. Chervov, D. Fedoriaka, E. Konstantinova, A. Naumov, I. Kiselev, A. Sheveleva, I. Koltsov, S. Lytkin, A. Smolensky, A. Soibelman, F. Levkovich-Maslyuk, R. Grimov, D. Volovich, A. Isakov, A. Kostin, M. Litvinov, N. Vilkin-Krom, A. Bidzhiev, A. Krasnyi, M. Evseev, E. Geraseva, L. Grunwald, S. Galkin, E. Koldunov, S. Diner, A. Chevychelov, E. Kudasheva, A. Sychev, A. Kravchenko, Z. Kogan, A. Natyrova, L. Shishina, L. Cheldieva, V. Zamkovoy, D. Kovalenko, O. Papulov, S. Kudashev, D. Shiltsov, R. Turtayev, O. Nikitina, D. Mamayeva, S. Nikolenko, M. Obozov, A. Titarenko, A. Dolgorukova, A. Aparnev, O. Debeaupuis, S. Alami C., H. Isambert 4/2/2026

CayleyPy Growth: Efficient growth computations and hundreds of new conjectures on Cayley graphs (Brief version)

Open source CayleyPy library for efficient Cayley and Schreier graph computations, with 200+ new conjectures in group theory.

Ax Samar Fares, Nurbek Tastan, Noor Hussein, Karthik Nandakumar 4/2/2026

MOLM: Mixture of LoRA Markers

Watermarking method (MOLM) for detecting and attributing synthetically generated images using LoRA markers.

Ax Asad Aali, Muhammad Ahmed Mohsin, Vasiliki Bikia, Arnav Singhvi, Richard Gaus, Suhana Bedi, Hejie Cui, Miguel Fuentes, Alyssa Unell, Yifan Mai, Jordan Cahoon, Michael Pfeffer, Roxana Daneshjou, Sanmi Koyejo, Emily Alsentzer, Christopher Potts, Nigam H. Shah, Akshay S. Chaudhari 4/2/2026

Structured Prompts Improve Evaluation of Language Models

Study showing structured prompts significantly improve language model evaluation accuracy compared to single static prompt configurations in benchmarking.

Ax Kehlani Fay, Darin Anthony Djapri, Anya Zorin, James Clinton, Ali El Lahib, Hao Su, Michael T. Tolley, Sha Yi, Xiaolong Wang 4/2/2026

House of Dextra: Cross-embodied Co-design for Dexterous Hands

Co-design framework for learning task-specific robot hand morphology and dexterous control policies simultaneously.

Ax Lucas Kook, S{\o}ren Wengel Mogensen 4/2/2026

Exact Graph Learning via Integer Programming

Graph learning via integer programming for causal discovery and inferring dependence structures in complex systems without restrictive assumptions.

Ax Tanay Varshney, Annie Surla, Michelle Xu, Gomathy Venkata Krishnan, Maximilian Jeblick, David Austin, Neal Vaidya, Davide Onofrio 4/2/2026

LLM Router: Rethinking Routing with Prefill Activations

LLM Router uses internal prefill activations for query-specific model selection, outperforming semantic routing by capturing model-specific failures.

HN kristianp 4/2/2026

Trinity Large Thinking

Trinity Large Thinking open-source reasoning model from Arcee AI optimized for agentic tasks.

HN 0x1997 4/2/2026

Claude Code Cache Bug Analysis

Analysis of two cache bugs in Claude Code API causing 10-20x token inflation and rapid rate limit exhaustion. Includes technical details and community-documented workarounds.