ORCID "Ashyralyyev, Charyyar / 0000-0002-6976-2084" WoS İndeksli Yayınlar Koleksiyonu için listeleme
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NUMERICAL SOLUTION TO INVERSE ELLIPTIC PROBLEM WITH NEUMANN TYPE OVERDETERMINATION AND MIXED BOUNDARY CONDITIONS
Ashyralyyev, Charyyar; Akkan, Yasar (Texas State Univ, 2015)This article studies the numerical solution of inverse problems for the multidimensional elliptic equation with Dirichlet-Neumann boundary conditions and Neumann type overdetermination. We present first and second order ... -
On Stable Difference Scheme for Identification Elliptic Problem with Integral and Second Kind Boundary Condition
Ashyralyyev, Charyyar (Amer Inst Physics, 2021)In this study, the first order of accuracy difference scheme for approximate solution of source identification elliptic problem with integral and second kind boundary conditions is considered. Stability and coercive stability ... -
On the absolute stable difference scheme for the space-wise dependent source identification problem for elliptic-telegraph equation
Ashyralyev, Allaberen; Al-Hammouri, Ahmad; Ashyralyyev, Charyyar (Wiley, 2021)The present paper is devoted to study the first order of accuracy absolute stable difference scheme for the approximate solution of the space identification problem for the elliptic-telegraph equation in Hilbert spaces ... -
On the problem of determining the parameter of an elliptic equation in a Banach space
Ashyralyev, Allaberen; Ashyralyyev, Charyyar (Inst Mathematics & Informatics, 2014)The boundary value problem of determining the parameter of an elliptic equation -u ''(t) + Au(t) = f (t) + p (0 <= t <= T), u(0) = phi, u(T) = psi, u(lambda) = xi, 0 < lambda < T, with a positive operator A in an arbitrary ... -
On Well-posedness of Source Identification Elliptic Problem with Nonlocal Boundary Conditions
Ashyralyev, Allaberen; Ashyralyyev, Charyyar; Zvyagin, Viktor G. (Amer Inst Physics, 2021)We study the well-posedness of the source identification problem for the two dimensional elliptic differential equation with nonlocal boundary conditions. Applying operator approaches, the exact estimates for the solution ... -
THE SECOND ORDER OF ADS FOR REVERSE PARABOLIC BOUNDARY VALUE PROBLEM WITH INTEGRAL CONDITION
Ashyralyyev, Charyyar (Inst Mathematics & Mechanics, Natl Acad Sciences Azerbaijan, 2020)Finite difference method to solve nonlocal reverse parabolic (RP) problem with integral condition are applied. The second order of accuracy difference scheme (ADS) for approximation of RP problem is proposed. Stability ... -
Some approximations of second order derivatives complex-valued functions
Ashyralyyev, Ch; Ozturk, B. (Karaganda State Univ, 2018)In this paper, we generalize the well known finite difference method to compute derivatives of real valued function to approximate of second order complex derivatives w(zz) and w((zz) over bar) for complex-valued function ... -
Source Identification Problem for a Parabolic Equation with Multipoint Nonlocal Boundary Condition
Ashyralyyev, Charyyar; Akkan, Pinar (Taylor & Francis Inc, 2020)We study a source identification problem for a parabolic equation with multipoint nonlocal boundary condition. Stability estimates for the solution of abstract source identification problem are established. In application, ... -
Stability Estimates for a Third Order of Accuracy Difference Scheme Elliptic Overdetermined Multi-Point Problem
Ashyralyyev, Charyyar; Akyuz, Gulzipa (Amer Inst Physics, 2021)In this work, we discuss a third order of accuracy difference scheme for approximate solution of the elliptic overdetermined multi-point problem in the Hilbert space. Functional operator approach is used to study existence ... -
Stability estimates for solution of Bitsadze-Samarskii type inverse elliptic problem with Dirichlet conditions
Ashyralyyev, Charyyar; Akyuz, Gulzipa (Amer Inst Physics, 2016)In this study, we discuss well-posedness of Bitsadze-Samarskii type inverse elliptic problem with Dirichlet conditions. We establish abstract results on stability and coercive stability estimates for the solution of this ... -
Stability Estimates for Solution of Neumann-Type Overdetermined Elliptic Problem
Ashyralyyev, Charyyar (Taylor & Francis Inc, 2017)This paper addresses estimation of the solution of inverse problem for the elliptic type equation with second kind boundary conditions and Neumann-type overdetermination at the interior point. We prove various estimates ... -
Stability of Rothe difference scheme for the reverse parabolic problem with integral boundary condition
Ashyralyyev, Charyyar (Wiley, 2020)In this paper, we study the approximation of reverse parabolic problem with integral boundary condition. The Rothe difference scheme for an approximate solution of reverse problem is discussed. We establish stability and ... -
A Third Order of Accuracy Difference Scheme for Bitsadze-Samarskii Type Elliptic Overdetermined Multi-Point Problem
Ashyralyyev, Charyyar; Akyuz, Gulzipa (Amer Inst Physics, 2018)In this study, a third order of accuracy difference scheme for Bitsadze-Samarskii type multi-point elliptic overdetermined problem is studied. For solution of constructed difference problem stability, almost coercive ... -
A third order of accuracy difference scheme for Dirichlet type overdermined problem with mixed boundary value conditions
Ashyralyyev, Charyyar; Dedeturk, Mutlu (Amer Inst Physics, 2016)Approximation of Dirichlet type overdetermined multidimensional elliptic problem with Dirichlet-Neumann boundary conditions are discussed. A third order of accuracy difference scheme for its approximate solution is proposed. ... -
Well-posedness of a fourth order of accuracy difference scheme for the Neumann type overdetermined elliptic problem
Ashyralyyev, Charyyar (Amer Inst Physics, 2015)In the present paper, inverse elliptic problem with Neumann type overdetermination is discussed. A fourth order of accuracy difference scheme for the solution of this identification problem is presented. Stability, almost ... -
Well-posedness of Neumann-type Elliptic Overdetermined Problem with Integral Condition
Ashyralyyev, Charyyar; Cay, Aysel (Amer Inst Physics, 2018)The current paper is devoted to overdetermined elliptic problem with integral condition for derivatives. This overdetermined problem is converted to auxiliary nonlocal boundary value problem (ANBVP) with integral boundary ...