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The Covering Relation of Idempotents in the Strong Endomorphism Monoid of a Graph |
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| Authors: | LI Wei min |
| Abstract: | In this paper, we explicitly characterize the covering relation with respect to the canonical partial order in the idempotent set of the strong endomorphism monoid of a graph from the viewpoint of combinatorics. |
| Keywords: | covering relation strong endomorphism idempotent monoid graph |
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