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Compact operator

A high accuracy numerical method based on spectral theory of compact operator for biharmonic eigenvalue equations

A high accuracy numerical method based on spectral theory of compact operator for biharmonic eigenvalue equations

... The rest of this paper is organized as follows. Section  provides some preliminaries. In Section , by employing the orthogonal spherical polynomials approximation and the spectral theory of compact ...

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F-Compact operator on probabilistic Hilbert space

Radhi I. M. Ali | Rana Aziz Yousif Al-Muttalibi

F-Compact operator on probabilistic Hilbert space Radhi I. M. Ali | Rana Aziz Yousif Al-Muttalibi

... -compact operator) Let be a modified probabilistic Hilbert space with mathematical expectation, a linear operator is called an -compact operator if for any Probabilistic Bounded subset ...

7

General note on the theorem of Stampfli

General note on the theorem of Stampfli

... the operator A coincides with the spectrum σ(A + K ) of the perturbed operator A for a compact perturbation of Fredholm operators of index ...

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On the Limited p-Schur Property of Some Operator Spaces

On the Limited p-Schur Property of Some Operator Spaces

... relatively compact. Since the adjoint of every limited operator is weak ∗ -norm sequentially continuous, it follows that for every compact operator T ∈ K(X, Y ), the operator T ∗ is ...

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Some remarks on the invariant subspace problem for hyponormal operators

Some remarks on the invariant subspace problem for hyponormal operators

... When looking for a n.i.s. for an arbitrary T in ᏸ ( Ᏼ ), one knows (cf. [10]) from a deep theorem of Apostol, Foia¸ s, and Voiculescu [2] that T may be assumed to belong to the class Ꮾᏽ᐀ ( Ᏼ ) of biquasitriangular ...

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Fixed Point Theory on a Frechet Topological Vector Space

Fixed Point Theory on a Frechet Topological Vector Space

... In this paper, we give also a generalization of Krasnoselskii fixed-point theorems not in Dunford-Pettis Banach spaces but in Dunford-Pettis Frechet spaces. More precisely, let E be a Frechet topological vector space ...

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Properties of Fuzzy Compact Linear Operators on Fuzzy Normed Spaces

Properties of Fuzzy Compact Linear Operators on Fuzzy Normed Spaces

... fuzzy compact operator from a fuzzy normed space to another fuzzy normed space and some basic properties of this type of operators are investigated and ...

7

Absolutely continuous measures and compact composition operator on spaces of Cauchy transforms

Absolutely continuous measures and compact composition operator on spaces of Cauchy transforms

... a compact operator from X to Y if the image of every bounded set of X is relatively compact ...has compact closure) in Y . Equivalently, a linear operator L is a compact ...

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On a weighted Toeplitz operator and its commutant

On a weighted Toeplitz operator and its commutant

... Toeplitz operator or weighted Toeplitz operator, say T, with symbol in the set Ᏻ has a neighborhood ᏻ in C such that for each α ∈ ᏻ there ex- ists a nonzero compact operator K such that TK = ...
Some versions of Anderson's and Maher's inequalities II

Some versions of Anderson's and Maher's inequalities II

... 4. Orthogonality and the elementary operators AXB − CXD. Let H be a separable infinite-dimensional complex Hilbert space and let B(H) denote the algebra of all bounded operators on H into itself. Given A, B, C, and D ...

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Operator compact exponential approximation for the solution of the system of 2D second order quasilinear elliptic partial differential equations

Operator compact exponential approximation for the solution of the system of 2D second order quasilinear elliptic partial differential equations

... order compact method to solve Navier–Stokes equations with high Reynolds ...discussed compact MAC finite difference scheme of high order for the Stokes ...

36

Completely positive multipliers of quantum groups

Completely positive multipliers of quantum groups

... an operator algebraic quantum group G (either a locally compact quantum group, or a quantum group coming from a modular or manageable multiplicative unitary) is induced in a canonical fashion by a unitary ...

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Weighted Composition Operators from Generalized Weighted Bergman Spaces to Weighted Type Spaces

Weighted Composition Operators from Generalized Weighted Bergman Spaces to Weighted Type Spaces

... Some necessary and sufficient weighted Bergman space to the spaces Hμ∞ and Hμ,0 conditions for the weighted composition operator ψCϕ to be bounded and compact are given.. Throughout the pa[r] ...

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Shadow of Operators on Frames

Shadow of Operators on Frames

... the operator under consideration in [1, ...linear operator Q such that the pair ({Q(f k )}, Θ) is a retro Banach frame for b H ∗ with respect to some associated Banach space of scalar-valued ...

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The convolution induced topology on L∞(G) and linearly dependent translates in L1(G)

The convolution induced topology on L∞(G) and linearly dependent translates in L1(G)

... Locally compact group, convolution operator, topology induced by convolution, linearly dependent translates, almost periodic functions.. 1980 MATHEMATICS SUBJECT CLASSIFICATION CODES: i.[r] ...

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Vol 2020

Vol 2020

... linear evolution equations. Frigon and O’Regan [9], introduced existence results for initial value problems in Banach spaces. Fujita and Kato [10], obtained some results on the Navier- Stokes initial-value problem. Rauf ...

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Operator theory on spectrum of discrete laplace beltrami operator riemannian metric

Operator theory on spectrum of discrete laplace beltrami operator riemannian metric

... We have also given in each a few additional references to relevant. The constraints of space have of necessity forced us to omit many more important references that it was possible to include and we a apologize in a ...

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Inequalities for differentiable reproducing kernels and an application to positive integral operators

Inequalities for differentiable reproducing kernels and an application to positive integral operators

... In the case where I is compact, the last statements are the classical theorem of Mercer; for proofs see, for example, [7] for compact I and [2] for noncompact I. Finally, it is not difficult to show that ...

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Riemann–Hilbert problems with shift on the Lyapunov curve for null-solutions of iterated Beltrami equations

Riemann–Hilbert problems with shift on the Lyapunov curve for null-solutions of iterated Beltrami equations

... equations, operator the- ory, partial differential equations (PDEs), shell theory, fluid dynamics, elasticity theory, computational mechanics, and so on, they were extensively studied by many scholars [1, ...

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General Toeplitz operators on weighted Bloch type spaces in the unit ball of Cn

General Toeplitz operators on weighted Bloch type spaces in the unit ball of Cn

... 16. Sánchez-Nungaray, A, Vasilevski, N: Toeplitz operators on the Bergman spaces with pseudodifferential defining symbols. In: Karlovich, YI, Rodino, L, Silbermann, B, Spitkovsky, IM (eds.) Operator Theory, ...

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