Ax Witold Wydma\'nski, Marek \'Smieja 4/22/2026

AutoNFS: Automatic Neural Feature Selection

AutoNFS: Automatic neural feature selection method for high-dimensional tabular data that detects optimal feature count without retraining.

Ax Matthew Stephenson, Alex Newcombe, Eric Piette, Dennis Soemers 4/22/2026

Best Agent Identification for General Game Playing

Efficient procedure for identifying best performing algorithms across multiple game-playing tasks using multi-armed bandit framework.

Ax Peter Holderrieth, Douglas Chen, Luca Eyring, Ishin Shah, Giri Anantharaman, Yutong He, Zeynep Akata, Tommi Jaakkola, Nicholas Matthew Boffi, Max Simchowitz 4/22/2026

Diamond Maps: Efficient Reward Alignment via Stochastic Flow Maps

Diamond Maps: stochastic flow map models enabling efficient reward alignment for generative models post-training.

Ax Hengshuai Yao, Xing Chen, Ahmed Murtadha, Guan Wang 4/22/2026

GAIN: Multiplicative Modulation for Domain Adaptation

Proposes GAIN, multiplicative modulation method for domain adaptation in LLMs that preserves weight matrix column span to reduce catastrophic forgetting.

Ax Alexandra Dragomir, Ioana Pintilie, Antonio Barbalau, Marius Dragoi, Florin Brad, Cristian Daniel Paduraru, Alexandru Tifrea, Elena Burceanu, Radu Tudor Ionescu 4/22/2026

JumpLoRA: Sparse Adapters for Continual Learning in Large Language Models

Introduces JumpLoRA framework for continual learning in LLMs using sparse adapters with dynamic sparsity to mitigate catastrophic forgetting.

Ax Divya Shyamal, Marta Kne\v{z}evi\'c, Lan Tran, Chanakya Ekbote, Vijay Lingam, Paul Pu Liang 4/22/2026

SCATR: Simple Calibrated Test-Time Ranking

Proposes SCATR for test-time scaling in LLMs using lightweight scoring functions as alternatives to expensive process reward models for best-of-N selection.

Ax Josh Millar, Ashok Samraj Thangarajan, Soumyajit Chatterjee, Hamed Haddadi 4/22/2026

Towards Real-Time ECG and EMG Modeling on $\mu$NPUs

Develops efficient Transformer models for ECG and EMG signal analysis on microcontroller-scale NPUs, enabling real-time privacy-preserving inference.

Ax Liubomyr Horbatko 4/22/2026

Sessa: Selective State Space Attention

Proposes Selective State Space Attention combining benefits of Transformers and state-space models for improved long-context sequence modeling.

Ax Jonathan Evertz, Merlin Chlosta, Lea Sch\"onherr, Thorsten Eisenhofer 4/22/2026

Whispers in the Machine: Confidentiality in Agentic Systems

Analyzes security vulnerabilities in LLM-based agents, examining how prompt injection attacks become more dangerous when agents access external tools.

Ax Yi-Chia Chang, Adam J. Stewart, Favyen Bastani, Piper Wolters, Shreya Kannan, George R. Huber, Jingtong Wang, Arindam Banerjee 4/22/2026

On the Generalizability of Foundation Models for Crop Type Mapping

Evaluates transfer learning capabilities of foundation models pre-trained on satellite imagery for crop type mapping and Earth observation tasks.