Theory
Columbia theoretical computer scientists presented four papers at the 56th Annual IEEE Symposium on Foundations of Computer Science (FOCS) held October 18-20 2015 in Berkeley, CA.
An average-case depth hierarchy theorem for Boolean circuits, a paper co-authored by Rocco A. Servedio and student Li-Yang Tan wins Best Paper at FOCS 2015.
Interview with Xi Chen, whose new book (coauthored with Jin-Yi Cai) gives a thorough introduction to complexity dichotomies of counting problems by summarizing major results contributing to progress in field.
About
Theory research includes computational complexity, algorithms and data structures, cryptography, quantum computing, computational geometry, approximation algorithms, computational game theory, algorithmic graph theory and combinatorics, online algorithms, computational learning theory, algebraic computation, optimization, randomness in computing, parallel and distributed computing, algorithmic coding theory, and theoretical aspects of areas such as networks, privacy, information retrieval, computational biology, and databases.
Theory of Computing Group 
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