Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
436371 | Theoretical Computer Science | 2008 | 8 Pages |
Abstract
In this paper, we study the approximability properties of symmetric TSP under an approximation measure called the differential ratio. More precisely, we improve up to 3/4−ε (for any ε>0) the best differential ratio of 2/3 known so far, given in Hassin and Khuller, [R. Hassin, S. Khuller, z-approximations, J. Algorithms, 41 (2) (2001) 429–442].
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