We use the modular decomposition to give O(n(m + n)) algorithms for finding a maximum weighted clique (respectively stable set) and an approximate weighted colouring (respectively partition into cliques) in a (&,E)-free graph. As a by-product, we obtain an O(m+n) algorithm for finding a minimum weig
✦ LIBER ✦
On graphs without P5 and P5
✍ Scribed by Jean-Luc Fouquet; Vassilis Giakoumakis; Frédéric Maire; Henri Thuillier
- Book ID
- 103060321
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 588 KB
- Volume
- 146
- Category
- Article
- ISSN
- 0012-365X
No coin nor oath required. For personal study only.
✦ Synopsis
We extend results due to Blfizsik et al. (1993) on graphs with no induced C4 and 2K2 to the self-complementary class of (P5, Ps)-free graphs. Moreover, we obtain an O(eJ 2) x-binding function for this last class of graphs, answering thus partially a question of A. Gyfirf~s.
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