Inductive limits of partial crossed products

Let $$\big ((A^{(i)}, G, \alpha ^{(i)}), \phi _i\big )_{i \in \mathbb {N}}$$ be an inductive sequence of partial dynamical systems. We prove the existence of an induced partial action $$\alpha $$ of $$G$$ on the inductive limit $$A=\varinjlim A^{(i)}$$ . We call $$\alpha $$ the inductive limit partial action. Furthermore, we show the corresponding partial crossed product $$A\rtimes _{\alpha }G$$ is canonically isomorphic to $$\varinjlim A^{(i)}\rtimes _{\alpha ^{(i)}}G$$ . We also study the globalization of the inductive limit partial action $$\alpha $$ , its finite Rokhlin dimension and tracial states on $$A\rtimes _{\alpha }G$$ .

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Publication Details

Journal
Semigroup Forum
Published
2026-01-05
DOI
https://doi.org/10.1007/s00233-025-10607-1
Primary Topic
Advanced Operator Algebra Research
Type
article
Field-Weighted Citation Impact
0.00

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article

Inductive limits of partial crossed products

Md. Amir Hossain
Semigroup Forum
Advanced Operator Algebra Research
article

Inductive limits of partial crossed products

Md. Amir Hossain
article en

Abstract

Let $$\big ((A^{(i)}, G, \alpha ^{(i)}), \phi _i\big )_{i \in \mathbb {N}}$$ be an inductive sequence of partial dynamical systems. We prove the existence of an induced partial action $$\alpha $$ of $$G$$ on the inductive limit $$A=\varinjlim A^{(i)}$$ . We call $$\alpha $$ the inductive limit partial action. Furthermore, we show the corresponding partial crossed product $$A\rtimes _{\alpha }G$$ is canonically isomorphic to $$\varinjlim A^{(i)}\rtimes _{\alpha ^{(i)}}G$$ . We also study the globalization of the inductive limit partial action $$\alpha $$ , its finite Rokhlin dimension and tracial states on $$A\rtimes _{\alpha }G$$ .

Semigroup ForumVol. 112(1)
Institute of Mathematical Sciences (IN)
Institute of Mathematical Sciences, Division of Mathematical Sciences
Openalex Percentile: Top 94%
Advanced Operator Algebra Research
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