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Graph Representations of a Free Clifford Monoid and a Free Semilattice with Identity[J]. Journal of South China Normal University (Natural Science Edition), 2009, 1(1): 6-9 .
Citation: Graph Representations of a Free Clifford Monoid and a Free Semilattice with Identity[J]. Journal of South China Normal University (Natural Science Edition), 2009, 1(1): 6-9 .

Graph Representations of a Free Clifford Monoid and a Free Semilattice with Identity

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  • Received Date: April 13, 2008
  • Revised Date: September 11, 2008
  • The following conclusion is shown that a free Clifford monoid on X is isomorphic to a monoid obtained by a subset of , which is the set of all birooted word trees on the same X, together with a new multiplication. Furthermore, the relation between and is considered. Also, it is shown that there is an isomorphism from a free semilattice with identity on X onto a monoid obtained by a subset of , which is the set of rooted word trees on the same X.

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