Theory of Computation (TOC) Seminar

Doubly Efficient Private Information Retrieval and Fully Homomorphic RAM Computation
Tuesday, December 13, 2022 - 4:00pm to 5:15pm

Abstract. Can we design a private variant of "Google searc

NP-Hardness of Learning Programs and Partial MCSP
Tuesday, December 6, 2022 - 4:00pm to 5:15pm

Abstract. In his seminal paper on the theory of NP-complet

Maximum Flow and Minimum-Cost Flow in Almost-Linear Time
Tuesday, November 29, 2022 - 4:00pm to 5:15pm

Abstract. We give an algorithm that computes exact maximum flows and minimum-cost flows on directed graphs with $m$ edges and polynomially bounded integral demands, costs, and capacities in $m^{1+o(1)}$ time.

Algorithms Should Have Bullshit Detectors! (or Polynomial Time Byzantine Agreement with Optimal Resilience)
Tuesday, November 22, 2022 - 4:00pm to 5:15pm

Abstract. One thing that distinguishes (theoretical) compu

Almost Chor-Goldreich Sources and Adversarial Random Walks
Tuesday, October 25, 2022 - 4:15pm to 5:15pm
 
The Conscious Turing Machine (CTM): A Theoretical CS Approach to the Hard Problem
Tuesday, March 15, 2022 - 4:15pm to 5:15pm

Efficient Verification of Computation on Untrusted Platforms
Tuesday, March 8, 2022 - 4:00pm to 5:15pm

Efficient verification of computation is fundamental to computer science, and is at the heart of t

Merav Parter: New Diameter Reducing Shortcuts: Breaking the $O(\sqrt{n})$ Barrier
Tuesday, December 7, 2021 - 4:00pm to 5:00pm
Subhash Khot: On Approximability of CSPs on Satisfiable Instances
Tuesday, November 30, 2021 - 4:00pm to 5:00pm

ABSTRACT: Constraint Satisfaction Problems (CSPs) are among the most well-studied problems in Computer Science, 3SAT being a prominent example.

Sanjoy Dasgupta: Some excursions into interpretable machine learning
Tuesday, November 23, 2021 - 4:00pm to 5:00pm

The need for int

Noga Alon: PAC Learnability of partial concept classes
Tuesday, November 16, 2021 - 4:00pm to 5:00pm

We extend the cl

Shachar Lovett: The log-rank conjecture - where do we stand?
Tuesday, November 9, 2021 - 4:00pm to 5:00pm

The log-rank con

Greg Valiant: Sequential Prediction: Calibration and Selective Prediction
Tuesday, October 26, 2021 - 4:00pm to 5:00pm

ABSTRACT: I'll

Li-yang Tan: Properly learning decision trees in almost polynomial time
Tuesday, October 19, 2021 - 4:00pm to 5:00pm

Abstract

Nutan Limaye: Superpolynomial Lower Bounds Against Low-Depth Algebraic Circuits
Tuesday, October 12, 2021 - 4:00pm to 5:00pm
ABSTRACT: Every multivariate polynomial P(X) can be written as a sum
of monomials, i.e. a sum of products of variables and field constants.
Kuikui Liu: Markov Chain Analysis via Spectral Independence
Tuesday, September 28, 2021 - 4:00pm to 5:00pm

Nike Sun: Phase transitions in random constraint satisfaction problems
Tuesday, December 8, 2020 - 4:00pm to 5:00pm

Abstract: I will survey recent progress in determination of asymptotic behavior for random constraint satisfaction problems, including phase transitions and some understanding of solution geometry.

Toniann Pitassi: Lifting with Sunflowers
Tuesday, December 1, 2020 - 4:00pm to 5:30pm

Abstract:  In this talk I will first motivate lifting theorems where lower bounds on communication complexity for composed functions are obtained by a general simulation theorem, essentially showing that no protoco

Huijia (Rachel) Lin: Indistinguishability Obfuscation from Well-Founded Assumptions
Tuesday, November 17, 2020 - 4:00pm to 5:00pm

Ashish Goel: Beyond Voting: Mechanisms and Platforms for Societal Decision Making
Tuesday, November 10, 2020 - 4:00pm to 5:00pm
Abstract:

YouTube competes with Hollywood as an entertainment channel, and also
supplements Hollywood by acting as a distribution mechanism.  Twitter
has a similar relationship to news media, and Coursera to
Nathan Klein: A (Slightly) Improved Approximation Algorithm for Metric TSP
Tuesday, October 27, 2020 - 4:00pm to 5:15pm
James Aspnes: Population Protocols
Tuesday, October 20, 2020 - 4:00pm to 5:00pm

Abstract:

Alexandr Andoni: Approximating Edit Distance in Near-Linear Time
Tuesday, October 13, 2020 - 4:00pm to 5:00pm

Abstract: 

Adi Shamir, Weizmann Institute of Tech: A Simple Explanation for the Mysterious Existence of Adversarial Examples with Small Hamming Distance
Tuesday, February 18, 2020 - 4:00pm to 5:00pm

Abstract:

 

Rediet Abebe: Subsidy Allocations in the Presence of Income Shocks
Tuesday, October 22, 2019 - 4:00pm to 5:00pm

Abstract: 

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: 
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

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