The Clique-width of a graph is an invariant which measures the complexity of the graph structures. A graph of bounded tree-width is also of bounded Clique-width (but not the converse). For graphs G of bounded Clique-width, given the bounded width decomposition of G, every optimization, enumeration or evaluation problem that can be defined by a Monadic Second Order Logic formula using quantifiers on vertices but not on edges, can be solved in polynomial time. This is reminiscent of the situation for graphs of bounded tree-width, where the same statement holds even if quantifiers are also allowed on edges. Thus, graphs of bounded Clique-width are a larger class than graphs of bounded tree-width, on which we can resolve fewer, but still many, optimization problems efficiently. In this paper we present the first polynomial time algorithm (O(n2m)) to recognize graphs of Clique-width at most 3. © Springer-Verlag Berlin Heidelberg 2000.
CITATION STYLE
Corneil, D. G., Habib, M., Lanlignel, J. M., Reed, B., & Rotics, U. (2000). Polynomial time recognition of clique-width ≤ 3 graphs. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1776 LNCS, pp. 126–134). https://doi.org/10.1007/10719839_14
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