Strongly F*-inverse covers for tiling semigroups

Dombi, E and Gilbert, N.D. (2009) Strongly F*-inverse covers for tiling semigroups. Periodica Mathematica Hungarica, 59 (2). pp. 185-202. ISSN 0031-5303 (https://doi.org/10.1007/s10998-009-0185-9)

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Abstract

We introduce the notion of path extensions of tiling semigroups and investigate their properties. We show that the path extension of a tiling semigroup yields a strongly F*-inverse cover of the tiling semigroup and that it is isomorphic to an HNN* extension of its semilattice of idempotents.

ORCID iDs

Dombi, E ORCID logoORCID: https://orcid.org/0000-0001-7022-4868 and Gilbert, N.D.;