2 papers
stat.ME2026
Information-Computation Inversion in Pseudo-Marginal MCMC
Zihan Xu
Observation refinement changes posterior uncertainty and the likelihood calculation in pseudo-marginal MCMC. We compare their combined effect through finite-run squared-error risk.…
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…