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The Cartographer
Slightly Improved Upper Bound on the Integrality Ratio for the $s-t$ Path TSP
April 15, 2020 Β· Declared Dead Β· π arXiv.org
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Authors
Xianghui Zhong
arXiv ID
2004.07217
Category
cs.DS: Data Structures & Algorithms
Cross-listed
cs.DM,
math.CO
Citations
0
Venue
arXiv.org
Last Checked
5 months ago
Abstract
In this paper we investigate the integrality ratio of the standard LP relaxation for the metric $s-t$ Path TSP. We make a near-optimal choice for an auxiliary function used in the analysis of Traub and Vygen which leads to an improved upper bound on the integrality ratio of 1.5273.
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