Improving Christofides’ Algorithm for the s-t Path TSP
Microsoft
Improving Christofides’ Algorithm for the s-t Path TSP
We present a deterministic (1+sqrt(5))/2-approximation algorithm for the s-t path TSP for an arbitrary metric. Given a symmetric metric cost on n vertices including two prespecified endpoints, the problem is to find a shortest Hamiltonian path between the two endpoints; Hoogeveen showed that the natural variant of Christofides’ algorithm is a ...
Jan 18, 2012
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