English

An invitation to cortex algebras and spectral permanence property

Functional Analysis 2025-09-03 v1

Abstract

We initiate the study of cortex algebras (commutative Banach algebras with extendable multiplicative-linear functionals) and the spectral permanence property. In addition, we analyze some particular examples in this context and present open problems.

Keywords

Cite

@article{arxiv.2509.01709,
  title  = {An invitation to cortex algebras and spectral permanence property},
  author = {Przemysław Ohrysko},
  journal= {arXiv preprint arXiv:2509.01709},
  year   = {2025}
}