Browsing Waterloo Research by Subject "biquasitriangular"
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Around the closure of the set of commutators of idempotents in B(H): Biquasitriangularity and factorisation
(Elsevier, 2023-04-15)In this paper, we continue our study of the norm-closure of the set CEof bounded linear operators acting on a complex, infinite-dimensional, separable Hilbert space Hwhich may be expressed as the commutator of two idempotent ... -
Five Hilbert Space Problems in Operator Algebras
(Springer, 2022-11-03)A number of questions which have been solved over the years in the theory of single operators acting on Hilbert space have interesting analogues when recast in the setting of elements of C*-algebras. We list five of these, ...