Higher-rank numerical range in infinite-dimensional Hilbert space
Martínez Avendaño, Rubén Alejandro
2008
Rubén A. Martínez Avendaño, Higher-rank numerical range in infinite-dimensional Hilbert space
Abstract
In this paper we calculate the higher-rank numerical range, as defined by Choi, Kribsand.Zyczkowski, of selfadjoint operators and of nonunitary isometries on infinite-dimensionalHilbert space.
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