Results 31 to 40 of about 8,038,377 (286)

Hypothesis on the Solvability of Parabolic Equations with nonlocal Condition

open access: yesNonlinear Analysis, 2002
Numerous and different nonlocal conditions for the solvability of parabolic equations were researched in many articles and reports. The article presented analyzes such conditions imposed, and observes that the existence and uniqueness of the solution of ...
Mifodijus Sapagovas
doaj   +1 more source

STATIONARY PROBLEMS WITH NONLOCAL BOUNDARY CONDITIONS

open access: yesMathematical Modelling and Analysis, 2001
In this article a stationary problems with general nonlocal boundary conditions is considered. The differential problems and finite difference schemes for solving this problem are investigated. Stability estimates are proved in the maximum norm and the non‐negativity of the solution is investigated.
Čiegis, R.   +3 more
openaire   +4 more sources

Difference Schemes with Nonlocal Boundary Conditions

open access: yesComputational Methods in Applied Mathematics, 2001
AbstractThe paper deals with the stability, with respect to initial data, of difference schemes that approximate the heat-conduction equation with constant coefficients and nonlocal boundary conditions. Some difference schemes are considered for the one-dimensional heat-conduction equation, the energy norm is constructed, and the necessary and ...
Goolin, Alexei V.   +2 more
openaire   +2 more sources

On a Coupled System of Stochastic Ito^-Differential and the Arbitrary (Fractional) Order Differential Equations with Nonlocal Random and Stochastic Integral Conditions

open access: yesMathematics, 2021
The fractional stochastic differential equations had many applications in interpreting many events and phenomena of life, and the nonlocal conditions describe numerous problems in physics and finance.
A. M. A. El-Sayed, Hoda A. Fouad
doaj   +1 more source

Regularization of state-constrained elliptic optimal control problems with nonlocal radiation interface conditions [PDF]

open access: yes, 2007
Nonlinear optimal control, Nonlocal radiation interface conditions, State constraints, First-order necessary conditions, Second-order sufficient conditions, Moreau-Yosida approximation,
I. Yousept   +3 more
core   +1 more source

Existence result for a nonlocal viscous Cahn-Hillard equation with a degenerate mobility [PDF]

open access: yes, 2011
We study a diffusion model of phase field type, consisting of a system of two partial differential equations of second order for the particle densities and the viscosity variable, coupled by a nonlocal drift term.
Farshbaf-Shaker, Hassan   +1 more
core   +1 more source

Spatiotemporal Dynamics of a Diffusive Immunosuppressive Infection Model with Nonlocal Competition and Crowley–Martin Functional Response

open access: yesAxioms, 2023
In this paper, we introduce the Crowley–Martin functional response and nonlocal competition into a reaction–diffusion immunosuppressive infection model.
Yuan Xue, Jinli Xu, Yuting Ding
doaj   +1 more source

Controlabilidad de ecuaciones diferenciales retardadas semilineales impulsivas con retardo infinito y condiciones no locales

open access: yesNOVASINERGIA, 2022
In this paper, we prove the exact controllability of semilinear retarded equations with infinity delay, impulses and nonlocal conditions; proving the conjecture that the controllability is preserve under the influence of
Steven Allauca, Hugo Leiva
doaj   +1 more source

A PARABOLIC SYSTEM WITH NONLOCAL BOUNDARY CONDITIONS AND NONLOCAL SOURCES

open access: yesCommunications of the Korean Mathematical Society, 2012
In this work, the authors study the blow-up properties of so- lutions to a parabolic system with nonlocal boundary conditions and non- local sources. Conditions for the existence of global or blow-up solutions are given. Global blow-up property and precise blow-up rate estimates are also obtained. v(x;t) = R k2(x;y)v(y;t)dy; x2 @; t >0; u(x;0) = u0(x);
Wenjie Gao, Yuzhu Han
openaire   +2 more sources

Conditioning and error analysis of nonlocal operators with local boundary conditions

open access: yesJournal of Computational and Applied Mathematics, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Burak Aksoylu, Adem Kaya
openaire   +6 more sources

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