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
Triolo, S. (2024). Note on commuting quasi-nilpotent unbounded operators. ADVANCES IN OPERATOR THEORY, 9(1) [10.1007/s43036-023-00305-6].
Note on commuting quasi-nilpotent unbounded operators
Triolo, Salvatore
2024-01-01
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
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