Bipartite Toughness and 𠑘 -Factors in Bipartite Graphs

Guizhen Liu, Jianbo Qian, Jonathan Z. Sun and Rui Xu

International Journal of Mathematics and Mathematical Sciences, 2008, vol. 2008, 1-8

Abstract:

We define a new invariant ð ‘¡ ð µ ( ð º ) in bipartite graphs that is analogous to the toughness ð ‘¡ ( ð º ) and we give sufficient conditions in term of ð ‘¡ ð µ ( ð º ) for the existence of 𠑘 -factors in bipartite graphs. We also show that these results are sharp.

Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:597408

DOI: 10.1155/2008/597408

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