On Bellman-Golubov theorems for the Riemann-Liouville operatorsSuperposition of Fourier transform with the Riemann - Liouville
operators is studied. Copyright
Inequalities for the block projection operatorsOriginally studied by Gohberg and Krein, the block projection
operators admit a natural extension
Differences of idempotents in C*-algebras = Q* and I is the identity
operator in H. If U =
P − Q is an isometry then U = U* is unitary and Q = I
On idempotent τ-measurable operators affiliated to a von Neumann algebra algebra M, let
p, 0 <
p < ∞, be a number, and let Lp(M, τ) be the space of
operators whose pth power
Boundedness of multidimensional hausdorff operators in h p spaces, 0 < p < 1 of multidimensional Hausdorff
operators in Hardy spaces Hp(Rn), n ≥ 2, 0 <
p < 1, are given. Positive and negative
A spectral resolution for digital pseudo-differential operatorsAuthors consider a special class of
operators acting in discrete spaces and discuss certain its