<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="3.10.0">Jekyll</generator><link href="https://andreascharalamp.github.io/feed.xml" rel="self" type="application/atom+xml" /><link href="https://andreascharalamp.github.io/" rel="alternate" type="text/html" /><updated>2026-10-20T18:22:06+00:00</updated><id>https://andreascharalamp.github.io/feed.xml</id><title type="html">Andreas Charalampopoulos</title><subtitle>Academic website of Andreas Charalampopoulos, PhD student in Industrial Engineering and Operations Research (IEOR) at Columbia University.</subtitle><author><name>Andreas Charalampopoulos</name><email>ac5951@columbia.edu</email></author></feed>