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09/19/2023
Improved guarantees for the a priori TSP
We revisit the a priori TSP (with independent activation) and prove stro...
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07/01/2022
Packing cycles in planar and bounded-genus graphs
We devise constant-factor approximation algorithms for finding as many d...
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05/02/2022
Vehicle Routing with Time-Dependent Travel Times: Theory, Practice, and Benchmarks
We develop theoretical foundations and practical algorithms for vehicle ...
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11/11/2021
Faster Goal-Oriented Shortest Path Search for Bulk and Incremental Detailed Routing
We develop new algorithmic techniques for VLSI detailed routing. First, ...
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11/10/2020
Improving the Approximation Ratio for Capacitated Vehicle Routing
We devise a new approximation algorithm for capacitated vehicle routing....
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11/04/2020
Approximating the discrete time-cost tradeoff problem with bounded depth
We revisit the deadline version of the discrete time-cost tradeoff probl...
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05/01/2020
Approximating maximum integral multiflows on bounded genus graphs
We devise the first constant-factor approximation algorithm for finding ...
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01/06/2020
An Approximation Algorithm for Fully Planar Edge-Disjoint Paths
We devise a constant-factor approximation algorithm for the maximization...
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12/02/2019
An improved approximation algorithm for ATSP
We revisit the constant-factor approximation algorithm for the asymmetri...
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07/24/2019
Reducing Path TSP to TSP
We present a black-box reduction from the path version of the Traveling ...
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08/31/2018
An improved upper bound on the integrality ratio for the s-t-path TSP
We give an improved analysis of the best-of-many Christofides algorithm ...
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08/20/2018
The asymmetric traveling salesman path LP has constant integrality ratio
We show that the classical LP relaxation of the asymmetric traveling sal...
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04/09/2018
Beating the integrality ratio for s-t-tours in graphs
Among various variants of the traveling salesman problem, the s-t-path g...
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01/15/2018