Ax Antonio Ferrara, Francesco Cozzi, Alan Perotti, Andr\'e Panisson, Francesco Bonchi 3/20/2026

Size-adaptive Hypothesis Testing for Fairness

Statistical framework for fairness testing in algorithmic systems that accounts for sampling error and handles intersectional demographic analysis.

Ax Maryam Aliakbarpour, Vladimir Braverman, Junze Yin, Haochen Zhang 3/20/2026

Support Basis: Fast Attention Beyond Bounded Entries

Sub-quadratic attention algorithm removing bounded-entry restrictions for LLM inference speedup. Foundational LLM efficiency research.

Ax Aneeqa Mehrab, Jan Willem Van Looy, Pietro Demurtas, Stefano Iotti, Emil Malucelli, Francesca Rossi, Ferdinando Zanchetta, Rita Fioresi 3/20/2026

Sheaf Neural Networks and biomedical applications

Application of sheaf neural networks to biomedical problems comparing performance against GCNs, GATs, and GraphSage.

Ax Jingkun Liu, Yisong Yue, Max Welling, Yue Song 3/20/2026

Krause Synchronization Transformers

Krause Attention: principled attention mechanism addressing representation collapse and attention sink issues in transformers.

Ax Nicolas Zumarraga, Thomas Kaar, Ning Wang, Maxwell A. Xu, Max Rosenblattl, Markus Kreft, Kevin O'Sullivan, Paul Schmiedmayer, Patrick Langer, Robert Jakob 3/20/2026

TS-Haystack: A Multi-Scale Retrieval Benchmark for Time Series Language Models

Multi-scale retrieval benchmark for time series language models addressing long-context temporal localization under computational constraints.

Ax Chieh-Hsin Lai, Bac Nguyen, Naoki Murata, Yuhta Takida, Toshimitsu Uesaka, Yuki Mitsufuji, Stefano Ermon, Molei Tao 3/20/2026

A Unified View of Drifting and Score-Based Models

Theoretical analysis connecting drifting models and score-based generative models through kernel-based transport discrepancy.

Ax Haihua Luo, Xuming Ran, Tommi K\"arkk\"ainen, Huiyan Xue, Zhonghua Chen, Qi Xu, Fengyu Cong 3/20/2026

Representation Finetuning for Continual Learning

Research on parameter-efficient fine-tuning for continual learning using representation-level optimization instead of weight-level black-box methods.

Ax Ting Gao, Stavros Orfanoudakis, Nan Lin, Elvin Isufi, Winnie Daamen, Serge Hoogendoorn 3/20/2026

Flow Matching Policy with Entropy Regularization

Diffusion-based reinforcement learning policy using flow matching with direct entropy regularization and efficient gradient computation.