A note on the traveling salesman problem (Q1116903)
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scientific article; zbMATH DE number 4089351
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A note on the traveling salesman problem |
scientific article; zbMATH DE number 4089351 |
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A note on the traveling salesman problem (English)
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1989
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We observe that (i) the problem of recognizing instances of the traveling salesman problem for which the subtour relaxation has an integer optimal solution is NP-complete and (ii) there is no nontrivial upper bound on the `relative error' with which the optimal value of the TSP is approximated by the optimal value of its subtour relaxation.
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complexity
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traveling salesman
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subtour relaxation
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