Theory
Xi Chen is one of a small number of researchers to be awarded two highly prestigious honors—the 2021 Gödel Prize and the 2021 Fulkerson Prize—in one year.
Josh Alman is the "Researcher of the Month" featured by Columbia Research for his work as a theoretical computer scientist.
Machine learning systems often assume that the data they learn from is mostly trustworthy. But what happens when that data is deliberately corrupted?
About
The group does research on the fundamental capabilities and limitations of efficient computation.
In addition, they use computation as a lens to gain deeper insights into problems from the natural, social, and engineering sciences.
The group is highly collaborative, both within Columbia and among peer institutions. They hold a weekly Theory Lunch and a bi-weekly Student Seminar. Most graduate students have (at least) two advisors and collaborate with several professors and other students. Some of the faculty are cross-listed with the IEOR department and the Data Science Institute.
Theory of Computing Group 
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