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 for the integrality ratio of 1.5273.
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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