Graphs whose endomorphism monoids are regular |
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Authors: | Hailong Hou |
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Institution: | Department of Mathematics, Lanzhou University, Lanzhou, Gansu 730000, PR China |
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Abstract: | In this paper, we give several approaches to construct new End-regular (-orthodox) graphs by means of the join and the lexicographic product of two graphs with certain conditions. In particular, the join of two connected bipartite graphs with a regular (orthodox) endomorphism monoid is explicitly described. |
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Keywords: | 05C25 20M20 |
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