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On the index of elliptic operators associated with a diffeomorphism of a manifold and the symbol of a pseudodifferential operator of order zero is treated as a smooth function. The index formula

Solving Barcilon's inverse problems by the method of spectral mappings of this paper can be generalized to differential operators of orders greater than 4 and used for further

Spectral theory of fractional order integration operators, their direct sums, and similarity problem to these operators of their weak perturbationsThis survey is concerned with the spectral theory of Volterra operators An = ⊕nj bjJαj, αj > 0

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

Слабо диссипативные линейные динамические системы и квадратичный операторный пучок М. В. КелдышаIn a Hilbert space, we consider a second-order differential equation with unbounded operator

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

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

Comparison of the singular numbers of correct restrictions of elliptic differential operators uniformly elliptic differential operator of order 2l defined on a bounded domain in ℝn with sufficiently

Sharp spectral stability estimates via the Lebesgue measure of domains for higher order elliptic operators-adjoint elliptic operators of arbitrary even order upon variation of the open sets on which they are defined

Dirichlet problem on the half-line for an abstract Euler-Poisson-Darboux equation containing powers of an unbounded operatorWe consider an abstract Euler-Poisson-Darboux equation containing powers of an unbounded operator

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