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cs.DS2011
A Proof of the Boyd-Carr Conjecture
Frans Schalekamp, David P. Williamson, Anke van Zuylen
Determining the precise integrality gap for the subtour LP relaxation of the traveling salesman problem is a significant open question, with little progress made in thirty years in…
cs.DS2011★ 2 cited
On the Integrality Gap of the Subtour LP for the 1,2-TSP
Jiawei Qian, Frans Schalekamp, David P. Williamson +1
In this paper, we study the integrality gap of the subtour LP relaxation for the traveling salesman problem in the special case when all edge costs are either 1 or 2. For the gener…