English

2-Local automorphisms on $AW^\ast$-algebras

Operator Algebras 2019-09-16 v1

Abstract

The paper is devoted to 2-local automorphisms on AWAW^\ast-algebras. Using the technique of matrix algebras over a unital Banach algebra we prove that any 2-local automorphism on an arbitrary AWAW^\ast-algebra without finite type~I direct summands is a global automorphism.

Keywords

Cite

@article{arxiv.1908.11633,
  title  = {2-Local automorphisms on $AW^\ast$-algebras},
  author = {Shavkat Ayupov and Karimbergen Kudaybergenov and Turabay Kalandarov},
  journal= {arXiv preprint arXiv:1908.11633},
  year   = {2019}
}

Comments

10 pages. arXiv admin note: substantial text overlap with arXiv:1702.07629

R2 v1 2026-06-23T11:00:50.278Z