A 4-cycle trade of volume t corresponds to a simple graph G without isolated vertices, where the edge set can be partitioned into t 4-cycles in at least two different ways such that the two collections of 4-cycles have no 4-cycles in common. The foundation of the trade is v=|V(G)|. This paper determines for which values of t and v there exists a 4-cycle trade of volume t and foundation v.
机构:
Graduate School of System and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, JapanGraduate School of System and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan
Fujiwara, Yuichiro
Wu, Shung-Liang
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机构:
National United University, Miaoli, TaiwanGraduate School of System and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan
Wu, Shung-Liang
Fu, Hung-Lin
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机构:
Department of Applied Mathematics, National Chiao Tung University, Hsin Chu, TaiwanGraduate School of System and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan
Fu, Hung-Lin
[J].
Journal of Combinatorial Mathematics and Combinatorial Computing,
2010,
75
: 175
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185