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Approximation Taxonomy of Metric TSP

(Update: April 2015)

The list below presents the best up to now known upper and lower approximation bounds for the instances of metric TSP (we refer also to another source on approximation algorithms for metric TSP [8]). It is intended to codify (at one glance) the (many) recent developments and improvements on the approximability of that problem. It is hoped to be useful in further research on the possible improvements of the underlying approximation bounds.

Dept. of Computer Science,
University of Bonn

2015-04-14 Revision: 286 PDF version