2 papers
stat.ME2026
Information-Computation Inversion in Pseudo-Marginal MCMC
Zihan Xu
Observation refinement changes posterior uncertainty and the stochastic likelihood calculation in pseudo-marginal MCMC. We study their joint effect on finite-run posterior-function…
cs.MA2026
A Two-Tier Perspective on Inference-Time Parallelism in Multi-Agent LLM Systems
Zihan Xu, Haolin Tian, Hai Jiang
Large language model (LLM)-driven multi-agent systems typically require multiple model invocations and complex coordination during inference, and their execution strategies directl…