A note on the minimum label spanning tree. (Q1853118)
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scientific article; zbMATH DE number 1856462
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A note on the minimum label spanning tree. |
scientific article; zbMATH DE number 1856462 |
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A note on the minimum label spanning tree. (English)
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21 January 2003
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We give a tight analysis of the greedy algorithm introduced by Krumke and Wirth for the minimum label spanning tree problem. The algorithm is shown to be a \((\ln(n-1)+1)\)-approximation for any graph with \(n\) nodes \((n>1),\) which improves the known performance guarantee \(2\ln n+1.\).
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Network design
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NP-hard
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Approximation algorithms
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Spanning tree
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