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11/16/2021
On the Randomized Metric Distortion Conjecture
In the single winner determination problem, we have n voters and m candi...
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11/14/2021
Combinatorial Algorithms for Rooted Prize-Collecting Walks and Applications to Orienteering and Minimum-Latency Problems
We consider the rooted prize-collecting walks (PCW) problem, wherein we ...
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11/14/2021
A Simple Approximation Algorithm for Vector Scheduling and Applications to Stochastic Min-Norm Load Balancing
We consider the Vector Scheduling problem on identical machines: we have...
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10/11/2020
Approximation Algorithms for Stochastic Minimum Norm Combinatorial Optimization
Motivated by the need for, and growing interest in, modeling uncertainty...
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12/12/2019
A Constant-Factor Approximation for Directed Latency in Quasi-Polynomial Time
We give the first constant-factor approximation for the Directed Latency...
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04/30/2019
Simpler and Better Algorithms for Minimum-Norm Load Balancing
Recently, Chakrabarty and Swamy (STOC 2019) introduced the minimum-norm...
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04/16/2019
Approximation Algorithms for Distributionally Robust Stochastic Optimization with Black-Box Distributions
Two-stage stochastic optimization is a framework for modeling uncertaint...
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11/22/2018
Approximate Multi-Matroid Intersection via Iterative Refinement
We introduce a new iterative rounding technique to round a point in a ma...
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11/12/2018
Approximation Algorithms for Minimum Norm and Ordered Optimization Problems
In many optimization problems, a feasible solution induces a multi-dime...
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02/08/2018
Minimizing Latency in Online Ride and Delivery Services
Motivated by the popularity of online ride and delivery services, we stu...
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11/23/2017
Interpolating between k-Median and k-Center: Approximation Algorithms for Ordered k-Median
We consider a generalization of k-median and k-center, called the order...
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08/23/2017