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06/30/2023
A simpler and parallelizable O(√(log n))-approximation algorithm for Sparsest Cut
Currently, the best known tradeoff between approximation ratio and compl...
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08/03/2022
OrderedCuts: A new approach for computing Gomory-Hu tree
The Gomory-Hu tree, or a cut tree, is a classic data structure that stor...
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04/21/2022
A computational study of Gomory-Hu tree algorithms
We present an experimental study of algorithms for computing the Gomory-...
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09/21/2021
Generalized minimum 0-extension problem and discrete convexity
Given a fixed finite metric space (V,μ), the minimum 0-extension problem...
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10/19/2020
Practical Frank-Wolfe algorithms
In the last decade there has been a resurgence of interest in Frank-Wolf...
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08/12/2020
A new notion of commutativity for the algorithmic Lovász Local Lemma
The Lovász Local Lemma (LLL) is a powerful tool in probabilistic combina...
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07/17/2020
Parameter estimation for Gibbs distributions
We consider Gibbs distributions, which are families of probability distr...
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10/03/2019
Extensions of the Algorithmic Lovasz Local Lemma
We consider recent formulations of the algorithmic Lovasz Local Lemma by...
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04/05/2019
Parameter estimation for integer-valued Gibbs distributions
We consider the family of Gibbs distributions, which are probability dis...
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09/03/2018
A Local Lemma for Focused Stochastic Algorithms
We develop a framework for the rigorous analysis of focused stochastic l...
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06/13/2018
MAP inference via Block-Coordinate Frank-Wolfe Algorithm
We present a new proximal bundle method for Maximum-A-Posteriori (MAP) i...
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03/06/2018
Testing the complexity of a valued CSP language
A Valued Constraint Satisfaction Problem (VCSP) provides a common framew...
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02/26/2015
Total variation on a tree
We consider the problem of minimizing the continuous valued total variat...
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10/07/2013
Potts model, parametric maxflow and k-submodular functions
The problem of minimizing the Potts energy function frequently occurs in...
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09/22/2013
A new look at reweighted message passing
We propose a new family of message passing techniques for MAP estimation...
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07/04/2012
On the optimality of tree-reweighted max-product message-passing
Tree-reweighted max-product (TRW) message passing is a modified form of ...
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05/29/2012
Generalized sequential tree-reweighted message passing
This paper addresses the problem of approximate MAP-MRF inference in gen...
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03/05/2011