Best approximation by diagonal operators in Schatten ideals
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DOI: 10.1016/j.laa.2021.02.025
Abstract: Abstract If X is the set of compact or p-Schatten operators over a complex Hilbert separable space H , we study the existence and characterization properties of Hermitian A ∈ X such that | |… read more here.
Keywords: operators schatten; best approximation; diagonal operators; approximation diagonal ... See more keywords