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math.FA2023
Diagonals of self-adjoint operators II: Non-compact operators
Marcin Bownik, John Jasper
Given a self-adjoint operator on a separable infinite-dimensional Hilbert space we study the problem of characterizing the set of all possible diagonals of .…
math.FA2023
On Akemann-Weaver Conjecture
Marcin Bownik
Akemann and Weaver showed Lyapunov-type theorem for rank one positive semidefinite matrices which is an extension of Weaver's KS conjecture that was proven by Marcus, Spielman,…