Mark V. Lawson

activity

20112026

most citedGeneralized heaps, inverse semigroups and Morita equivalence

1 citations · 1 across the 4 of their papers we have counts for

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math.CT2026

Some étale groupoids as groupoids of fractions

Mark V. Lawson

Given a monoid that can be embedded in a group and that acts partially on a set, we show that under certain conditions the category associated with the partial action has a groupoi…

math.CT2026

Finitary Cartesian closed varieties and semigroup actions

Mark V Lawson

We build on some ideas of Richard Garner. Let $M$ be a monoid and $B$ a Boolean algebra. A `matched pair' $[B ∣ M]$ consists of $B$ and $M$ and some mutual interactions. Garner showe…