Theory of Computation (TOC) Seminar

Anindya De: Junta correlation is testable.
Tuesday, November 5, 2019 - 4:00pm to 5:00pm

Abstract: A Boolean function f on the n-dimensional hypercube is said
to be a k-junta if it is dependent only on some k coordinates of the
input. These functions have been widely studied in the context of

László Végh: A Strongly Polynomial Algorithm for Linear Exchange Markets
Tuesday, September 24, 2019 - 4:00pm to 5:00pm
Abstract: 
New Problems and Perspectives on Learning, Testing, and Sampling in the Small Data Regime
Thursday, May 16, 2019 - 4:00pm to 5:00pm

I will discuss several new problems related to the general challenge of understanding what conclusions can be made, given a dataset that is relatively small in comparison to the complexity or dimensionality of the underlying distribution from which it is drawn.  In the f

Arkadev Chattopadhyay: The Log-Approximate-Rank Conjecture is False
Tuesday, March 12, 2019 - 4:00pm to 5:00pm

Abstract: 

Elette Boyle: Compression Vector OLE and More
Tuesday, January 15, 2019 - 10:30am to 12:00pm
Abstract:
We will speak about a CCS'18 result and the bigger picture of a new line of work in compressing different types of pseudorandom correlations.
 
Michael Saks: Approximating the edit distance to within a constant factor in truly subquadratic time
Tuesday, December 4, 2018 - 4:00pm to 5:00pm

Abstract: 

Edit distance is a widely used measure of similarity of two strings based on

Avishay Tal: Oracle Separation of BQP and the Polynomial Hierarchy
Tuesday, November 27, 2018 - 4:00pm to 5:00pm
Abstract:
In their seminal paper, Bennett, Bernstein, Brassard and Vazirani
[SICOMP, 1997] showed that relative to an oracle, quantum algorithms
are unable to solve NP-complete problems in sub-exponential time
Dean Doron: Probabilistic logspace algorithms for Laplacian solvers
Tuesday, December 11, 2018 - 4:00pm to 5:00pm
Abstract:  A series of breakthroughs initiated by Spielman and Teng culminated in the construction of nearly linear time Laplacian solvers, approximating the solution of a linear system Lx = b, where L is the Laplacian of an undirected graph. 
Aaron Sidford: Perron-Frobenius Theory in Nearly Linear Time
Tuesday, November 13, 2018 - 4:00pm to 5:00pm

Vijay Vazirani: Planar Graph Perfect Matching is in NC
Tuesday, November 6, 2018 - 4:00pm to 5:00pm
Abstract:  Is matching in NC, i.e., is there a deterministic fast parallel algorithm for it?

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