Hausdorff–Berezin operators on weighted spaces of integral
operators on the unit disc D, which are called Hausdorff–
Berezin
operators. We consider general
Paranormal measurable operators affiliated with a semifinite von Neumann algebraWe investigate paranormal measurable
operators affiliated with a semifinite von Neumann algebra
To Birman–Krein–Vishik TheoryLet
A ≥
mA > 0 be a closed positive definite
symmetric operator Almost symmetric and antisymmetric spaces with affine connectionLet (M,nabla) be an almost
symmetric space. The curvature tensor R and the torsion tensor
On a supremum operatorFor a supremum
operator on the semi-axis with a measurable
non-negative function φ(x, y
On the boundedness and compactness of a certain integral operator for the boundedness and compactness of the integral
operator of the form [mathematical equation] from Lp → Lq
Alternative criteria for the boundedness of volterra integral operators in lebesgue spacesThree different criteria for Lp -Lq boundedness of Volterra integral
operator (1.1) with locally
On invertibility of some operator sumsWe study invertibility of some sums of linear bounded
operators on Hilbert space (Theorem 1). A