Results 21 to 30 of about 1,313,453 (353)

Representation and stability of distributed order resolvent families

open access: yesAIMS Mathematics, 2022
We consider the resolvent family of the following abstract Cauchy problem (1.1) with distributed order Caputo derivative, where A is a closed operator with dense domain and satisfies some further conditions.
Chen-Yu Li
doaj   +1 more source

THE TWO-SIDED ESTIMATES OF THE FREDHOLM RADIUS AND COMPACTNESS CONDITIONS FOR THE OPERATOR ASSOCIATED WITH A SECOND-ORDER DIFFERENTIAL EQUATION

open access: yesВестник КазНУ. Серия математика, механика, информатика, 2021
In this paper we consider the properties of the resolvent of a linear operator corresponding to a degenerate singular second-order differential equation with variable coefficients, considered in the Lebesgue space.
K. N. Ospanov, A. N. Yesbayev
doaj   +1 more source

Resolvents of elliptic cone operators [PDF]

open access: yesJournal of Functional Analysis, 2006
We prove the existence of sectors of minimal growth for general closed extensions of elliptic cone operators under natural ellipticity conditions. This is achieved by the construction of a suitable parametrix and reduction to the boundary. Special attention is devoted to the clarification of the analytic structure of the resolvent.
Thomas Krainer   +3 more
openaire   +4 more sources

Consistent spectral approximation of Koopman operators using resolvent compactification [PDF]

open access: yesNonlinearity, 2023
Koopman operators and transfer operators represent dynamical systems through their induced linear action on vector spaces of observables, enabling the use of operator-theoretic techniques to analyze nonlinear dynamics in state space.
Dimitrios Giannakis, C. Valva
semanticscholar   +1 more source

Resolvents of $\mathscr{R}$-diagonal operators [PDF]

open access: yesTransactions of the American Mathematical Society, 2010
29 pages, 12 figures, used gastex ...
Haagerup, Uffe   +2 more
openaire   +2 more sources

Abstract Impulsive Volterra Integro-Differential Inclusions

open access: yesFractal and Fractional, 2023
In this work, we provide several applications of (a, k)-regularized C-resolvent families to the abstract impulsive Volterra integro-differential inclusions.
Wei-Shih Du   +2 more
doaj   +1 more source

Impulsive Fractional Semilinear Integrodifferential Equations with Nonlocal Conditions

open access: yesJournal of Function Spaces, 2021
This paper is devoted to a class of impulsive fractional semilinear integrodifferential equations with nonlocal initial conditions. Based on the semigroup theory and some fixed point theorems, the existence theory of PC-mild solutions is established ...
Xue Wang, Bo Zhu
doaj   +1 more source

Inverses of generators of integrated fractional resolvent operator functions [PDF]

open access: yesFractional Calculus and Applied Analysis, 2018
This paper is devoted to the inverse generator problem in the setting of generators of integrated resolvent operator functions. It is shown that if the operator A is the generator of a tempered β-times integrated α-resolvent operator function ((α, β)-ROF)
Miao Li, J. Pastor, S. Piskarev
semanticscholar   +1 more source

On One Method of Studying Spectral Properties of Non-selfadjoint Operators

open access: yesAbstract and Applied Analysis, 2020
In this paper, we explore a certain class of Non-selfadjoint operators acting on a complex separable Hilbert space. We consider a perturbation of a nonselfadjoint operator by an operator that is also nonselfadjoint.
Maksim V. Kukushkin
doaj   +1 more source

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