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Nowhere-zero 3-flows in Cayley graphs on generalized dihedral group and generalized quaternion group |
Liangchen LI1,2,Xiangwen LI1,*() |
1. Department of Mathematics, Huazhong Normal University, Wuhan 430079, China 2. Department of Mathematics, Luoyang Normal University, Luoyang 471022, China |
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Abstract Tutte conjectured that every 4-edge-connected graph admits a nowhere-zero 3-flow. In this paper, we show that this conjecture is true for Cayley graph on generalized dihedral groups and generalized quaternion groups, which generalizes the result of F. Yang and X. Li [Inform. Process. Lett., 2011, 111: 416–419]. We also generalizes an early result of M. Nánásiová and M. ?koviera [J. Algebraic Combin., 2009, 30: 103–110].
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Keywords
Nowhere-zero 3-flow
Cayley graph
generalized dihedral group
generalized quaternion group
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Corresponding Author(s):
Xiangwen LI
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Issue Date: 12 February 2015
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