<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en"><generator uri="https://jekyllrb.com/" version="4.4.1">Jekyll</generator><link href="https://tingzhu.io/feed.xml" rel="self" type="application/atom+xml"/><link href="https://tingzhu.io/" rel="alternate" type="text/html" hreflang="en"/><updated>2026-09-29T19:48:35+08:00</updated><id>https://tingzhu.io/feed.xml</id><title type="html">blank</title><subtitle>Tingzhu Bi (毕廷竹) — PhD candidate at Peking University working on accountable LLM agents for reasoning and complex-system diagnosis, dynamic causal discovery, and AIOps. </subtitle></feed>