Hardness and methods to solve CLIQUE

The paper briefly reviews NP-hard optimization problems and their inapproximability. The hardness of solving CLIQUE problem is specifically discussed. A dynamic-programming algorithm and its improved version for CLIQUE are reviewed and some additional analysis is presented. The analysis implies that...

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Veröffentlicht in:Journal of computer science and technology 2001-07, Vol.16 (4), p.388-391
Hauptverfasser: Zhu, Daming, Luan, Junfeng, Ma, Shaohan
Format: Artikel
Sprache:eng
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Zusammenfassung:The paper briefly reviews NP-hard optimization problems and their inapproximability. The hardness of solving CLIQUE problem is specifically discussed. A dynamic-programming algorithm and its improved version for CLIQUE are reviewed and some additional analysis is presented. The analysis implies that the improved algorithm, HEWN (hierarchical edge-weighted network), only provides a heuristic or useful method, but cannot be called a polynomial algorithm.
ISSN:1000-9000
1860-4749
DOI:10.1007/BF02948987