Akhmadiev Marat Gabdelbyarovich; Alhasan Khasan; Bikchentaev Airat Midkhatovich; Ivanshin Petr Nikolaevich
(2023)
Let H be an innite-dimensional Hilbert space over the field C, B(H) be the ∗-algebra of all linear bounded operators on H. An operator A ∈ B(H) is a commutator, if A = [S, T ] = ST - T S for some S, T ∈ B(H). Let X, Y ∈ ...