Ax Alexandru Apostu, Silviu Gheorghe, Andrei H\^iji, Nicolae Cleju, Andrei P\u{a}tra\c{s}cu, Cristian Rusu, Radu Ionescu, Paul Irofti 3/20/2026

Detecting and Mitigating DDoS Attacks with AI: A Survey

Survey of AI-based detection and mitigation methods for DDoS attacks with taxonomy of attack categories.

Ax Tzeh Yuan Neoh, Jannik Peters, Nicholas Teh 3/20/2026

Online Fair Division with Additional Information

Online fair allocation of indivisible goods with sequential arrival, analyzing fairness guarantees with access to future information.

Ax Xiaoyuan Zhu, Yaowen Ye, Tianyi Qiu, Hanlin Zhu, Sijun Tan, Ajraf Mannan, Jonathan Michala, Raluca Ada Popa, Willie Neiswanger 3/20/2026

Auditing Black-Box LLM APIs with a Rank-Based Uniformity Test

Rank-based uniformity test for detecting undisclosed substitutions or quantization of black-box LLM APIs without access to model weights.

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

Size-adaptive Hypothesis Testing for Fairness

Statistical methods for fairness testing in algorithmic decision-making systems accounting for sampling error and demographic subgroups.

Ax Jiahao Meng, Xiangtai Li, Haochen Wang, Yue Tan, Tao Zhang, Lingdong Kong, Yunhai Tong, Anran Wang, Zhiyang Teng, Yujing Wang, Zhuochen Wang 3/20/2026

Open-o3-Video: Grounded Video Reasoning with Explicit Spatio-Temporal Evidence

Video reasoning model with explicit spatio-temporal evidence grounding, extending evidence-centered reasoning from images to videos with temporal tracking and spatial localization.

Ax Giulia Lanzillotta, Damiano Meier, Thomas Hofmann 3/20/2026

Heads collapse, features stay: Why Replay needs big buffers

Continual learning study revealing asymmetry in experience replay between feature-level and classifier-level forgetting, showing minimal buffers preserve representations but not predictions.

Ax Rao Muhammad Umer, Daniel Sens, Jonathan Noll, Sohom Dey, Christian Matek, Lukas Wolfseher, Rainer Spang, Ralf Huss, Johannes Raffler, Sarah Reinke, Ario Sadafi, Wolfram Klapper, Katja Steiger, Kristina Schwamborn, Carsten Marr 3/20/2026

A Multicenter Benchmark of Multiple Instance Learning Models for Lymphoma Subtyping from HE-stained Whole Slide Images

Benchmark of multiple instance learning models for lymphoma subtyping from whole slide images, comparing deep learning approaches for pathology diagnosis.

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

Sheaf Neural Networks algorithm with biomedical case study outperforming GCNs, GATs, and GraphSage on graph-structured biomedical data.

Ax Faezeh Fadaei, Jenny Carla Moran, Taha Yasseri 3/20/2026

Gender Dynamics and Homophily in a Social Network of LLM Agents

Analysis of gender dynamics and homophily patterns in Chirper.ai, a social network of 70K+ autonomous LLM agents generating 140M posts, examining how AI agent identity develops in networks.

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

Krause Synchronization Transformers

Krause Attention proposes a new transformer attention mechanism addressing representation collapse and attention sink phenomena through bounded normalization inspired by Krause dynamics.