Upper minus total domination number of regular graphs |
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Authors: | Zhen-lin Li Xin-zhong Lü |
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Institution: | 1.Department of Mathematics,Zhejiang Normal University,Jinhua,China |
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Abstract: | Let Γ t ? (G) be upper minus total domination number of G. In this paper, We establish an upper bound of the upper minus total domination number of a regular graph G and characterize the extremal graphs attaining the bound. Thus, we answer an open problem by Yan, Yang and Shan |
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