Results 21 to 30 of about 3,535 (248)

A Note on Nonlocal Boundary Value Problem for Elliptic-Schrodinger Equations with Multipoint Nonlocal Boundary Condition [PDF]

open access: yes, 2017
International Conference on Functional Analysis in Interdisciplinary Applications (FAIA) -- OCT 02-05, 2017 -- Astana, KAZAKHSTANWOS: 000417411800035In this study, the nonlocal boundary value problem for elliptic-Schrodinger equation with multipoint ...
Özdemir, Yıldırım   +3 more
core   +5 more sources

A note on the nonlocal boundary value problem for a third order partial differential equation [PDF]

open access: yes, 2020
The nonlocal boundary-value problem for a third order partial differential equation in a Hilbert space with a self-adjoint positive definite operator is considered.
Ashyralyev A.   +2 more
core   +3 more sources

On ellipticity of operators with shear mappings

open access: yesСовременная математика: Фундаментальные направления, 2023
The nonlocal boundary value problems are considered, in which the main operator and the operators in the boundary conditions include the differential operators and twisting operators.
A. V. Boltachev
doaj   +1 more source

Weakly nonlocal boundary value problems with application to geology [PDF]

open access: yesDifferential Equations & Applications, 2021
In many cases, groundwater flow in an unconfined aquifer can be simplified to a one-dimensional Sturm-Liouville model of the form: \begin{equation*} x''(t)+λx(t)=h(t)+\varepsilon f(x(t)),\hspace{.1in}t\in(0,π) \end{equation*} subject to non-local boundary conditions \begin{equation*} x(0)=h_1+\varepsilonη_1(x)\text{ and } x(π)=h_2+\varepsilonη_2(x ...
Maroncelli, Daniel, Collins, Emma
openaire   +3 more sources

Positive solutions of nonlinear fourth-order boundary-value problems with local and non-local boundary conditions [PDF]

open access: yes, 2008
We establish new existence results for multiple positive solutions of fourth-order nonlinear equations which model deflections of an elastic beam. We consider the widely studied boundary conditions corresponding to clamped and hinged ends and many non ...
J. R. L. Webb   +5 more
core   +1 more source

Multiplicity and uniqueness results for the singular nonlocal boundary value problem involving nonlinear integral conditions [PDF]

open access: yes, 2014
In this paper, using fixed point index and the mixed monotone technique, we present some multiplicity and uniqueness results for the singular nonlocal boundary value problems involving nonlinear integral conditions.
Yan, Baoqiang   +2 more
core   +1 more source

On a difference scheme of second order of accuracy for the Bitsadze-Samarskii type nonlocal boundary-value problem [PDF]

open access: yes, 2014
In this study, the Bitsadze-Samarskii type nonlocal boundary-value problem with integral condition for an elliptic differential equation in a Hilbert space H with self-adjoint positive definite operator A is considered.
Allaberen Ashyralyev   +3 more
core   +1 more source

On convergence of the iterative process for the third order pseudo-parabolic equation with nonlocal boundary value conditions in a multidimensional domain

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2013
In this paper the nonlocal boundary value problem for the pseudo-parabolic equation of the third-order in a multidimensional domain is considered. Using an iterative method, the solving process of the nonlocal boundary value problem is reduced to solving
M. H. Beshtokov
doaj   +3 more sources

On the numerical solution of a nonlocal boundary value problem

open access: yesJournal of Computational and Applied Mathematics, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Themistoclakis W, Vecchio A
openaire   +4 more sources

Spectral characteristics of a nonlocal problem for two linear systems of partial differential equations

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2017
We study the boundary-value problem for a linear system of differential equations written in the form of differential-operator equations $$ aD_t u(t)+bBu(t)=f(t) $$ with nonlocal boundary conditions at $t$.
Dmitriy V Kornienko
doaj   +1 more source

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