Acta mathematica scientia,Series A ›› 2000, Vol. 20 ›› Issue (zk): 633-639.

• Articles • Previous Articles     Next Articles

The structure of the endomorphism monoid of a graph

LI Wei Min |CHEN Jian-Fei   

  1. shanhai jiaotong university,shanghai 200240 xian jiaotong university,xian 710049
  • Received:1998-10-27 Online:2000-11-10 Published:2000-11-10

Abstract:

Inthispaper,pseudoGreen'srelationsareintroducedtotheendomorphism monoidofagraphinanaturalway.Theirpropertiesareinvestigated,bywhichwereveal  explicitlythattheendomorphism monoidofagraphpossessesapeculiarstructure,namely  adualstructureinasenseofGreen'srelations.

Key words: Pseudo-Green's relations, Semigroup, Graph

CLC Number: 

  • 05C
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