spectral set (English, noun)
expansion: spectral set (plural spectral sets)
Senses:
topics: mathematics
sciences
glosses: In operator theory, a set X⊆ℂ such that, for a (possibly unbounded) linear operator T on a Banach space, the spectrum of T is in X and von Neumann's inequality holds for T on X.
Forms:
form: spectral sets
tags: plural