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Sharp Spectral Stability Estimates for Higher Order Elliptic Differential OperatorsSharp Spectral Stability Estimates for Higher Order Elliptic Differential Operators

Spectral theory of fractional order integration operators, their direct sums, and similarity problem to these operators of their weak perturbationsSummary: "This survey is concerned with the spectral theory of Volterra operators A

Bounded Solutions of Semi-Linear Parabolic Differential Equations with Unbounded Delay Terms differential equation in a Banach space with unbounded positive operators is studied. The main theorem

Local Solvability and Stability of an Inverse Spectral Problem for Higher-Order Differential Operators spectral problem for higher-order ((Formula presented.)) differential operators with distribution

Operational matrix approach for solving variable-order fractional integro-differential equationsIn this paper, we use shifted fourth-kind Chebyshev polynomials to construct the operational matrix

Regularization and Inverse Spectral Problems for Differential Operators with Distribution Coefficients of Mirzoev and Shkalikov for differential operators with distribution coefficients of order (Formula

REFINED SPECTRAL PROPERTIES OF DIRICHLET AND NEUMANN PROBLEMS FOR THE LAPLACE OPERATOR IN A RECTANGULAR DOMAIN; [УТОЧНЕННЫЕ СПЕКТРАЛЬНЫЕ СВОЙСТВА ЗАДАЧ ДИРИХЛЕ И НЕЙМАНА ДЛЯ ОПЕРАТОРА ЛАПЛАСА В ПРЯМОУГОЛЬНОЙ ОБЛАСТИ]In one-dimensional boundary value spectral problems the dimensions of eigen

L1-space for a positive operator affiliated with von Neumann algebra an (Formula presented.)-type space for a positive selfadjoint operator affiliated with von Neumann algebra

L1 -space for a positive operator affiliated with von Neumann algebra an L1-type space for a positive selfadjoint operator affiliated with von Neumann algebra

Automorphisms of spectral lattices of positive contractions on von Neumann algebras results on preservers of the spectral order on matrices and operators. Moreover general spectral lattice

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