English

Inductive limits of partial crossed products

Operator Algebras 2025-12-03 v1

Abstract

Let ((A(i),G,α(i)),ϕi)iN\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 α\alpha of GG on the inductive limit A=limA(i)A=\varinjlim A^{(i)}. We call α\alpha the inductive limit partial action. Furthermore, we show the corresponding partial crossed product AαGA\rtimes_{\alpha}G is canonically isomorphic to limA(i)α(i)G\varinjlim A^{(i)}\rtimes_{\alpha^{(i)}}G. We also study the globalization of the inductive limit partial action α\alpha, its finite Rokhlin dimension and tracial states on AαGA\rtimes_{\alpha}G.

Keywords

Cite

@article{arxiv.2512.02525,
  title  = {Inductive limits of partial crossed products},
  author = {Md Amir Hossain},
  journal= {arXiv preprint arXiv:2512.02525},
  year   = {2025}
}

Comments

10 pages; accepted in Semigroup Forum

R2 v1 2026-07-01T08:05:17.314Z