Ax O\u{g}uzhan Ersoy, Nikolay Blagoev, Jona te Lintelo, Stefanos Koffas, Marina Kr\v{c}ek, Stjepan Picek 4/6/2026

Backdoor Attacks on Decentralised Post-Training

arXiv paper analyzing backdoor attacks on decentralized LLM post-training via pipeline parallelism, examining vulnerabilities from malicious participants.

Ax Guy Blanc 4/6/2026

Robust Learning with Optimal Error

Optimal error algorithms for adversarial learning using randomized hypotheses, improving deterministic hypothesis bounds by factor of 1/2.

Ax Mirali Purohit, Bimal Gajera, Irish Mehta, Bhanu Tokas, Jacob Adler, Steven Lu, Scott Dickenshied, Serina Diniega, Brian Bue, Umaa Rebbapragada, Hannah Kerner 4/6/2026

MOMO: Mars Orbital Model Foundation Model for Mars Orbital Applications

MOMO: Foundation model merging multi-sensor Mars remote sensing data (HiRISE, CTX, THEMIS) using Equal Validation Loss alignment.

Ax Justin Reverdi, Sixin Zhang, Fabrice Gamboa, Serge Gratton 4/6/2026

Lipschitz bounds for integral kernels

Theoretical characterization of Lipschitz constants for kernel feature maps in positive definite kernels.

Ax Inbal Rimon, Oren Gal, Haim Permuter 4/6/2026

Split and Conquer Partial Deepfake Speech

Split-and-conquer framework for detecting manipulated speech regions via boundary detection and segment-level classification.

Ax H\"useyin Tun\c{c}, Do\u{g}anay \"Ozese, \c{S}. \.Ilker Birbil, Donato Maragno, Marco Caserta, Mustafa Baydo\u{g}an 4/6/2026

Output-Constrained Decision Trees

Methods for training constrained regression trees incorporating domain-specific output constraints using mixed-integer programming and other approaches.

Ax Lorenzo Sciandra, Roberto Esposito, Andrea Cesare Grosso, Laura Sacerdote, Cristina Zucca 4/6/2026

Supplementary Materials to Graph Convolutional Branch and Bound

Integration of neural networks into combinatorial optimization for NP-hard problems, learning heuristics and optimality scores via graph convolutional networks.

Ax Shin'ya Yamaguchi, Kosuke Nishida, Daiki Chijiwa, Yasutoshi Ida 4/6/2026

Zero-shot Concept Bottleneck Models

Zero-shot concept bottleneck models enabling interpretable predictions without target task training by leveraging pre-trained vision-language models.