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The Szendrei Expansion of Restriction Semigroupoids
[Submitted on 28 Apr 2025 (v1), last revised 16 Jun 2026 (this v · 2026-06-17 · via math updates on arXiv.org

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Abstract:We introduce the concept of a restriction semigroupoid S, which unifies the notion of restriction semigroups and restriction categories within a single structure. We prove a representation theorem, showing that every restriction semigroupoid can be embedded into a determined category of partial maps. Furthermore, we construct the Szendrei expansion Sz(S) of S and establish that each premorphism between two restriction semigroupoids S and T is uniquely factorized by a morphism between the Szendrei expansion Sz(S) and T.

Submission history

From: Thaisa Tamusiunas [view email]
[v1] Mon, 28 Apr 2025 19:34:38 UTC (28 KB)
[v2] Tue, 16 Jun 2026 17:12:40 UTC (25 KB)