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math.GR2019
Coherency and constructions for monoids
Yang Dandan, Victoria Gould, Miklos Hartmann +2
A monoid is right coherent if every finitely generated subact of every finitely presented right -act is finitely presented. This is a finiteness condition, and we investigat…
math.GR2018
A group-theoretical interpretation of the word problem for free idempotent generated semigroups
Yang Dandan, Igor Dolinka, Victoria Gould
The set of idempotents of any semigroup carries the structure of a biordered set, which contains a great deal of information concerning the idempotent generated subsemigroup of the…