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XII.—The Lattice of Congruences on a Bisimple ω-Semigroup*
Published online by Cambridge University Press: 14 February 2012
Synopsis
A necessary and sufficient condition is determined for the modularity of the lattice of congruences on a bisimple inverse semigroup whose semilattice of idempotents is order-anti-isomorphic to the set of natural numbers.
- Type
- Research Article
- Information
- Proceedings of the Royal Society of Edinburgh Section A: Mathematics , Volume 67 , Issue 3 , 1967 , pp. 175 - 184
- Copyright
- Copyright © Royal Society of Edinburgh 1967