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WADS
2005
Springer
187views Algorithms» more  WADS 2005»
13 years 9 months ago
Improved Approximation Algorithms for Metric Maximum ATSP and Maximum 3-Cycle Cover Problems
We consider an APX-hard variant (∆-Max-ATSP) and an APX-hard relaxation (Max-3-DCC) of the classical traveling salesman problem. We present a 31 40-approximation algorithm for â...
Markus Bläser, L. Shankar Ram, Maxim Sviriden...
ICICIC
2006
IEEE
13 years 10 months ago
An Ant Colony Optimization Algorithm for Multiple Travelling Salesman Problem
Multiple travelling salesman problem (MTSP) is a typical computationally complex combinatorial optimization problem,which is an extension of the famous travelling salesman problem...
Pan Junjie, Wang Dingwei
DISOPT
2006
110views more  DISOPT 2006»
13 years 4 months ago
New facets of the STS polytope generated from known facets of the ATS polytope
While it was known for a long time how to transform an asymmetric traveling salesman problem on the complete graph with n vertices into a symmetric traveling salesman problem on a...
Egon Balas, Robert Carr, Matteo Fischetti, Neil Si...
CORR
2008
Springer
139views Education» more  CORR 2008»
13 years 4 months ago
Generalized Traveling Salesman Problem Reduction Algorithms
The generalized traveling salesman problem (GTSP) is an extension of the well-known traveling salesman problem. In GTSP, we are given a partition of cities into groups and we are ...
Gregory Gutin, Daniel Karapetyan
TOC
2008
95views more  TOC 2008»
13 years 4 months ago
On the LP Relaxation of the Asymmetric Traveling Salesman Path Problem
: This is a comment on the article "An O(logn) Approximation Ratio for the Asymmetric Traveling Salesman Path Problem" by C. Chekuri and M. P
Viswanath Nagarajan