Abstract
AbstractA new arrow notation is used to describe biordered sets. Biordered sets are characterized as biordered subsets of the partial algebras formed by the idempotents of semigroups. Thus it can be shown that in the free semigroup on a biordered set factored out by the equations of the biordered set there is no collapse of idempotents and no new arrows.
Publisher
Cambridge University Press (CUP)
Subject
General Mathematics,Statistics and Probability
Reference3 articles.
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