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Elliptic G-Operators on Manifolds with Isolated SingularitiesIn the present work we study elliptic operators on manifolds with singularities in the situation

GENERALIZED WEIGHTED SOBOLEV–MORREY ESTIMATES FOR HYPOELLIPTIC OPERATORS WITH DRIFT ON HOMOGENEOUS GROUPS of dilations ( δλ )λ>0. Consider the following hypoelliptic operator with drift on G (Formula Presented

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

A non-commutative Yosida-Hewitt theorem and convex sets of measurable operators closed locally in measure additive measure into its σ-additive and singular parts. Several applications are given

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

Scheme of the finite element method with multiplicative separation of the singularity for a spectral boundary value problem for a degenerate differential operator for an elliptic operator with degenerating coefficients. We suggest an approximate method based

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

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