Abstract
We study approximation hardness of the Minimum Dominating Set problem and its variants in undirected and directed graphs. Using a similar result obtained by Trevisan for Minimum Set Cover we prove the first explicit approximation lower bounds for various kinds of domination problems (connected, total, independent) in bounded degree graphs. Asymptotically, for degree bound approaching infinity,
these bounds almost match the known upper bounds. The results are applied to improve the lower bounds for other related problems such as Maximum Induced Matching and Maximum Leaf Spanning Tree.
| Original language | English |
|---|---|
| Pages (from-to) | 1264-1275 |
| Number of pages | 12 |
| Journal | Information and Computation |
| Volume | 206 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - Nov 2008 |
Keywords
- dominatig set problems
- bounded-degree graphs
- approximation hardness
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