Ax Wen Wu, Ziyang Zhang, Liwei Liu, Xuenan Xu, Jimin Zhuang, Ke Fan, Qitan Lv, Junlin Liu, Chen Zhang, Zheqi Yuan, Siyuan Hou, Tianyi Lin, Kai Chen, Bowen Zhou, Chao Zhang 2/26/2026

SciTS: Scientific Time Series Understanding and Generation with LLMs

Framework for scientific time series understanding and generation using LLMs, addressing gaps in multimodal LLM handling of temporal numerical data.

Ax Weixuan Ou, Yanzhao Zheng, Shuoshuo Sun, Wei Zhang, Baohua Dong, Hangcheng Zhu, Ruohui Huang, Gang Yu, Pengwei Yan, Yifan Qiao 2/26/2026

SERL: Self-Examining Reinforcement Learning on Open-Domain

SERL: Self-examining RL approach for LLMs on open-domain tasks using intrinsic reward signals without external feedback.

Ax Chen Zhang, Wei Zuo, Bingyang Cheng, Yikun Wang, Wei-Bin Kou, Yik Chung WU, Ngai Wong 2/26/2026

NTK-Guided Implicit Neural Teaching

NTK-Guided acceleration of implicit neural representations for high-resolution signal reconstruction tasks.

Ax Nima Dehmamy, Benjamin Hoover, Bishwajit Saha, Leo Kozachkov, Jean-Jacques Slotine, Dmitry Krotov 2/26/2026

NRGPT: An Energy-based Alternative for GPT

NRGPT: Alternative to GPT architecture using energy-based modeling paradigm for language inference.

Ax Jim Zhao, Tin Sum Cheng, Wojciech Masarczyk, Aurelien Lucchi 2/26/2026

Optimizer choice matters for the emergence of Neural Collapse

Analyzes role of optimizer choice in Neural Collapse emergence during deep neural network training, challenging assumption that NC is universal across optimization methods.

Ax Aditya Agrawal, Albert Magyar, Hiteshwar Eswaraiah, Patrick Sheridan, Pradeep Janedula, Ravi Krishnan Venkatesan, Krishna Nair, Ravi Iyer 2/26/2026

Quad Length Codes for Lossless Compression of e4m3

Proposes Quad Length Codes for lossless compression of e4m3 format to reduce network bandwidth bottlenecks in LLM training and serving through faster decoding than Huffman codes.

Ax Daniel Romero-Alvarado, Fernando Mart\'inez-Plumed, Lorenzo Pacchiardi, Hugo Save, Siddhesh Milind Pawar, Behzad Mehrbakhsh, Pablo Antonio Moreno Casares, Ben Slater, Paolo Bova, Peter Romero, Zachary R. Tyler, Jonathan Prunty, Luning Sun, Jose Hernandez-Orallo 2/26/2026

Capabilities Ain't All You Need: Measuring Propensities in AI

Proposes measuring AI propensities (behavioral tendencies) alongside capabilities using Item Response Theory extensions for evaluation.

Ax Elena Grigorescu, Brendan Juba, Karl Wimmer, Ning Xie 2/26/2026

Hardness of Maximum Likelihood Learning of DPPs

Analyzes computational hardness of maximum likelihood learning for Determinantal Point Processes used in data selection.

Ax Thomas Kwa, Ben West, Joel Becker, Amy Deng, Katharyn Garcia, Max Hasin, Sami Jawhar, Megan Kinniment, Nate Rush, Sydney Von Arx, Ryan Bloom, Thomas Broadley, Haoxing Du, Brian Goodrich, Nikola Jurkovic, Luke Harold Miles, Seraphina Nix, Tao Lin, Neev Parikh, David Rein, Lucas Jun Koba Sato, Hjalmar Wijk, Daniel M. Ziegler, Elizabeth Barnes, Lawrence Chan 2/26/2026

Measuring AI Ability to Complete Long Software Tasks

Proposes metric measuring AI ability to complete long software tasks by comparing model performance to human domain expert completion time.

Ax Anton Selitskiy, Maitreya Kocharekar 2/26/2026

Discrete Optimal Transport and Voice Conversion

kDOT: discrete optimal transport framework for voice conversion using barycentric projection in pretrained speech embedding space instead of averaging strategies.

Ax Junxiao Yang, Jinzhe Tu, Haoran Liu, Xiaoce Wang, Chujie Zheng, Zhexin Zhang, Shiyao Cui, Caishun Chen, Tiantian He, Hongning Wang, Yew-Soon Ong, Minlie Huang 2/26/2026

BARREL: Boundary-Aware Reasoning for Factual and Reliable LRMs

BARREL identifies pathological reasoning patterns in Large Reasoning Models and improves factual reliability. Enables models to admit ignorance instead of confident false answers.

Ax Guodong Du, Zhuo Li, Xuanning Zhou, Junlin Li, Zesheng Shi, Wanyu Lin, Ho-Kin Tang, Xiucheng Li, Fangming Liu, Wenya Wang, Min Zhang, Jing Li 2/26/2026

Knowledge Fusion of Large Language Models Via Modular SkillPacks

Knowledge fusion method for LLMs via modular SkillPacks. Enables efficient cross-capability transfer for multi-task integration, compression, and continual learning.

Ax Rulin Shao, Shuyue Stella Li, Rui Xin, Scott Geng, Yiping Wang, Sewoong Oh, Simon Shaolei Du, Nathan Lambert, Sewon Min, Ranjay Krishna, Yulia Tsvetkov, Hannaneh Hajishirzi, Pang Wei Koh, Luke Zettlemoyer 2/26/2026

Spurious Rewards: Rethinking Training Signals in RLVR

Shows RLVR with GRPO can improve LLM mathematical reasoning using spurious rewards with little/no correlation to correct answers, challenging reward signal assumptions.

Ax Shan Jiang, Pranoy Kovuri, David Tao, Zhixun Tan 2/26/2026

CASCADE: LLM-Powered JavaScript Deobfuscator at Google

CASCADE: hybrid LLM-powered JavaScript deobfuscator at Google combining Gemini coding capabilities with compiler IR transformations for code comprehension.