Note on commuting quasi-nilpotent unbounded operators
- Authors: Triolo, Salvatore
- Publication year: 2024
- Type: Articolo in rivista
- OA Link: http://hdl.handle.net/10447/619594
Abstract
Are explored the spectral properties for an unbounded operatorU for which there exists an injective quasi-nilpotent unbounded operator N such that U N = NU. Several important properties in spectral theory, in this new set-up are considered