<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Xiangtao Xu | TZStats aiX Lab | Tian Zheng, Columbia Stats</title><link>https://sites.stat.columbia.edu/tzheng/author/xiangtao-xu/</link><atom:link href="https://sites.stat.columbia.edu/tzheng/author/xiangtao-xu/index.xml" rel="self" type="application/rss+xml"/><description>Xiangtao Xu</description><generator>Hugo Blox Builder (https://hugoblox.com)</generator><language>en-us</language><lastBuildDate>Thu, 01 Jan 2026 00:00:00 +0000</lastBuildDate><image><url>https://sites.stat.columbia.edu/tzheng/media/icon_hu_244c03810a53b12e.png</url><title>Xiangtao Xu</title><link>https://sites.stat.columbia.edu/tzheng/author/xiangtao-xu/</link></image><item><title>Taller trees experienced less crown damage during a severe hurricane in a tropical forest</title><link>https://sites.stat.columbia.edu/tzheng/publication/2026-01-01-han-taller-trees-crown-damage/</link><pubDate>Thu, 01 Jan 2026 00:00:00 +0000</pubDate><guid>https://sites.stat.columbia.edu/tzheng/publication/2026-01-01-han-taller-trees-crown-damage/</guid><description/></item></channel></rss>