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On the approximation of minimum cost homomorphism to bipartite graphs

โœ Scribed by Mastrolilli, Monaldo; Rafiey, Arash


Book ID
122563665
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
359 KB
Volume
161
Category
Article
ISSN
0166-218X

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A solution to Gutman's problem on the ch
โœ Xueliang Li; Heping Zhang ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 209 KB

In this short paper, we present a solution to Gutman's problem on the characteristic polynomial of a bipartite graph (Research Problem 134, Discrete Math. 88 (1991)). In [2] I. Gutman proposed a research problem which is stated as follows. The matchings polynomial of a graph G is defined by cl(G,x)