Ax Ian Su, Gaurav Purushothaman, Jey Narayan, Ruhika Goel, Kevin Zhu, Sunishchal Dev, Yash More, Maheep Chaudhary 2/17/2026

Broken Chains: The Cost of Incomplete Reasoning in LLMs

Framework evaluating reasoning efficiency in LLMs by constraining chain-of-thought to code, natural language, hybrid, or none under token cost constraints.

Ax Hasi Hays 2/17/2026

Selective Synchronization Attention

Selective Synchronization Attention replaces dot-product self-attention with a Kuramoto model-derived operator to reduce quadratic complexity in Transformers.

Ax Yuchen Yang, Wenze Lin, Enhao Huang, Zhixuan Chu, Hongbin Zhou, Lan Tao, Yiming Li, Zhan Qin, Kui Ren 2/17/2026

Explainable Token-level Noise Filtering for LLM Fine-tuning Datasets

Token-level noise filtering method for LLM fine-tuning datasets that addresses mismatch between sentence-level dataset design and token-level model optimization.

Ax Shishir Sharma, Doina Precup, Theodore J. Perkins 2/17/2026

Fluid-Agent Reinforcement Learning

Multi-agent reinforcement learning framework enabling agents to dynamically create other agents, addressing variable and unknown numbers of agents in real-world scenarios.

Ax Stefano Woerner, Seong Joon Oh, Christian F. Baumgartner 2/17/2026

Universal Algorithm-Implicit Learning

Theoretical framework for meta-learning defining practical universality and distinguishing algorithm-implicit learning approaches.

Ax Qingqing Zhu, Qiao Jin, Tejas S. Mathai, Yin Fang, Zhizheng Wang, Yifan Yang, Maame Sarfo-Gyamfi, Benjamin Hou, Ran Gu, Praveen T. S. Balamuralikrishna, Kenneth C. Wang, Ronald M. Summers, Zhiyong Lu 2/17/2026

CT-Bench: A Benchmark for Multimodal Lesion Understanding in Computed Tomography

CT-Bench multimodal dataset with 20,335 lesions from CT studies for training AI models on lesion understanding and report generation.

Ax Fiorenzo Parascandolo, Wenhui Tan, Enver Sangineto, Ruihua Song, Rita Cucchiara 2/17/2026

BFS-PO: Best-First Search for Large Reasoning Models

BFS-PO RL algorithm optimizes inference efficiency in large reasoning models by reducing overthinking and computational costs.