نتایج جستجو برای: mixed boundary
تعداد نتایج: 375104 فیلتر نتایج به سال:
In this paper, the authors consider a nonlinear fractional boundary value problem defined on a star graph. By using a transformation, an equivalent system of fractional boundary value problems with mixed boundary conditions is obtained. Then the existence and uniqueness of solutions are investigated by fixed point theory. MSC 2010 : Primary 34B15; Secondary 34B45
In this article, we investigate sufficient conditions for existence of maximal and minimal solutions to a coupled system of highly nonlinear differential equations of fractional order with mixed type boundary conditions. To achieve this goal, we apply monotone iterative technique together with the method of upper and lower solutions. Also an error estimation is given to check the accuracy of th...
This paper is concerned with weak solution of a mixed boundary value problem for the biharmonic equation in the plane. Using Green’s formula, the problem is converted into a system of Fredholm integral equations for the unknown data on different part of the boundary. Existence and uniqueness of the solutions of the system of boundary integral equations are established in appropriate Sobolev spa...
An inverse spectral problem is studied for second-order differential operators on hedgehog-type graphs with standard matching conditions in internal vertices and with mixed boundary conditions in boundary vertices. We prove a uniqueness theorem of recovering the coefficients of differential equations and boundary conditions from the given spectral characteristics. AMS Subject Classifications: A...
In this paper we prove parameter-dependent a priori estimates for mixed-order boundary value problems of rather general structure. In particular, the diagonal operators are not assumed to be of the same order. Our assumptions on the structure of the boundary value problem covers the case of Dirichlet type boundary conditions.
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