An invitation to cortex algebras and spectral permanence property
Volume 178 / 2025
Colloquium Mathematicum 178 (2025), 201-210
MSC: Primary 46J05
DOI: 10.4064/cm9564-5-2025
Published online: 19 June 2025
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.
