Author

Thomas Demeester

2 papers indexed here

We haven’t gathered this author’s papers yet. Follow them and we’ll fetch their work.

Not the right person? Other researchers publish under this name.

#artificial intelligence Preprint May 2026

Agent Collectives Should Not Detect Their Own Imposters: A Chess Case Study

It is found that merely warning the agents of potential imposter presence is not beneficial: it degrades decisions when no imposter is present, provokes reactions ranging from self-accusation to scapegoating, inflates token use, and reveals to the imposter how it was uncovered.

A. Mercier, Chris Develder, Thomas Demeester · 1 citation

#artificial intelligence Jan 2026

Hidden State Poisoning Attacks against Mamba-based Language Models

This paper studies the phenomenon whereby specific short input phrases induce a partial amnesia effect in state space models, by irreversibly overwriting information in their hidden states, referred to as a Hidden State Poisoning Attack (HiSPA).

A. Mercier, Chris Develder, Thomas Demeester · arXiv.org · 3 citations