Research article

Semigroups of partial linear transformations whose restrictions belong to an injective partial linear transformation semigroup

  • Published: 15 December 2025
  • MSC : 20M20, 15A04, 15A03

  • Let $ V $ be a vector space over a field $ \mathbb{F} $ and let $ W $ be a subspace of $ V $. The semigroup of partial linear transformations on $ V $ whose restriction to $ W $ belongs to an injective partial linear transformation semigroup $ \mathcal{I}(W) $ is denoted by $ P_{\mathcal{I}(W)}(V) $. In this paper, we describe Green's relations for $ P_{\mathcal{I}(W)}(V) $, characterize its regular elements, and give necessary and sufficient conditions for $ P_{\mathcal{I}(W)}(V) $ to be regular, inverse, or completely regular. We also analyze the ideal structure of $ P_{\mathcal{I}(W)}(V) $, identifying its maximal and minimal ideals.

    Citation: Kritsada Sangkhanan. Semigroups of partial linear transformations whose restrictions belong to an injective partial linear transformation semigroup[J]. AIMS Mathematics, 2025, 10(12): 29470-29487. doi: 10.3934/math.20251294

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  • Let $ V $ be a vector space over a field $ \mathbb{F} $ and let $ W $ be a subspace of $ V $. The semigroup of partial linear transformations on $ V $ whose restriction to $ W $ belongs to an injective partial linear transformation semigroup $ \mathcal{I}(W) $ is denoted by $ P_{\mathcal{I}(W)}(V) $. In this paper, we describe Green's relations for $ P_{\mathcal{I}(W)}(V) $, characterize its regular elements, and give necessary and sufficient conditions for $ P_{\mathcal{I}(W)}(V) $ to be regular, inverse, or completely regular. We also analyze the ideal structure of $ P_{\mathcal{I}(W)}(V) $, identifying its maximal and minimal ideals.



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