3 papers
cs.AI2026
Computing the Reachability Value of Posterior-Deterministic POMDPs
Nathanaël Fijalkow, Arka Ghosh, Roman Kniazev +2
Partially observable Markov decision processes (POMDPs) are a fundamental model for sequential decision-making under uncertainty. However, many verification and synthesis problems…
cond-mat.mes-hall2025
A Quantum Framework for Negative Magnetoresistance in Multi-Weyl Semimetals
Arka Ghosh, Sushmita Saha, Alestin Mawrie
We develop a fully quantum-mechanical theory of negative magnetoresistance in multi-Weyl semimetals in the configuration, where the chiral anomaly is acti…
cs.HC2025
Seeking Late Night Life Lines: Experiences of Conversational AI Use in Mental Health Crisis
Leah Hope Ajmani, Arka Ghosh, Benjamin Kaveladze +7
Online, people often recount their experiences turning to conversational AI agents (e.g., ChatGPT, Claude, Copilot) for mental health support -- going so far as to replace their th…