Abstract
Given a graph with k>2 different nonnegative weights associated with each edge e and a cost function c: Rk→R+, consider the problem of finding a minimum-cost edge subset possessing a certain property P. We prove that this problem is weakly NP-hard for a wide class of properties P and costs c, including paths, spanning trees, cuts, joins, etc. We suggest a simple approximation algorithm for this problem and find its performance guarantee.
Original language | English |
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Pages (from-to) | 129-138 |
Number of pages | 10 |
Journal | Discrete Applied Mathematics |
Volume | 119 |
Issue number | 1-2 |
DOIs | |
State | Published - 2002 |
Keywords
- Approximation algorithms
- Graph algorithms
- Multi-parameter problems
- Performance guarantee
ASJC Scopus subject areas
- Discrete Mathematics and Combinatorics
- Applied Mathematics