Elliptic G-Operators on Manifolds with Isolated SingularitiesIn the present work we study elliptic
operators on manifolds with
singularities in the situation
The algebra of thin measurable operators is directly finite$-measurable
operators. Let $S_0(\mathcal{M},\tau)$ be the ${}^*$-algebra of all $\tau$-compact
operators and
$T
On Singular Spectrum of Finite-Dimensional Perturbations (toward the Aronszajn–Donoghue–Kac Theory)-dimensional boundary
operator B = B*. Assuming that the multiplicity of the
singular spectrum of A0 is maximal, we
On a Class of Integro-Differential Equations in the Singular CaseAbstract: We study a linear integro-differential equation with a
singular differential
operator On Perturbation of Thresholds in Essential Spectrum under Coexistence of Virtual Level and Spectral Singularity of the resolvent. The spectral
singularity of the
operator $ \mathcal{H} _2$ qualitatively changes the structure
Elliptic operators and their symbols some
singular points. Such an
operator can be represented by a sum of
operators, and for a Fredholm
On an approximate solution of integral equations with a strong singularity in the kernel operator with smooth kernel function. Multiplying the integral
operator by invertible
operators, she