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» Traveling salesman path problems
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MOR
2006
92views more  MOR 2006»
13 years 7 months ago
Polynomial-Time Separation of a Superclass of Simple Comb Inequalities
The comb inequalities are a well-known class of facet-inducing inequalities for the Traveling Salesman Problem, defined in terms of certain vertex sets called the handle and the t...
Lisa Fleischer, Adam N. Letchford, Andrea Lodi
SODA
2001
ACM
150views Algorithms» more  SODA 2001»
13 years 9 months ago
A faster implementation of the Goemans-Williamson clustering algorithm
We give an implementation of the Goemans-Williamson clustering procedure which is at the core of several approximation algorithms including those for Generalized Steiner Trees, Pr...
Richard Cole, Ramesh Hariharan, Moshe Lewenstein, ...
CORR
2008
Springer
115views Education» more  CORR 2008»
13 years 8 months ago
Approximating Multi-Criteria Max-TSP
Abstract. We present randomized approximation algorithms for multicriteria Max-TSP. For Max-STSP with k > 1 objective functions, we obtain an approximation ratio of 1 k - for a...
Markus Bläser, Bodo Manthey, Oliver Putz
GECCO
2005
Springer
182views Optimization» more  GECCO 2005»
14 years 1 months ago
Improving EAX with restricted 2-opt
Edge Assembly Crossover (EAX) is by far the most successful crossover operator in solving the traveling salesman problem (TSP) with Genetic Algorithms (GAs). Various improvements ...
Chen-hsiung Chan, Sheng-An Lee, Cheng-Yan Kao, Hua...
CCO
2001
Springer
143views Combinatorics» more  CCO 2001»
14 years 12 days ago
TSP Cuts Which Do Not Conform to the Template Paradigm
Abstract. The first computer implementation of the Dantzig-FulkersonJohnson cutting-plane method for solving the traveling salesman problem, written by Martin, used subtour inequa...
David Applegate, Robert E. Bixby, Vasek Chvá...