[PDF] Top 20 A singular boundary value problem for neutral equations

... The aim of the present paper is to obtain conditions for the existence and uniqueness of an absolutely continuous solution of a singular boundary value problem for neutral equations, usi[r] ... See full document

... general boundary value problems for functional differential equations (see, ...ary value problems for functional differential equations is not still ... See full document

... Boundary value problems for nonlinear differential equations arise in a variety of ar- eas such as applied mathematics, physics, and variational problems of control ...of boundary value ... See full document

... We need to check the reasonableness of the boundary value problem 2.10–2.13 under the definition of weak solutions, that is, the solution in the classical sense are necessarily the solutions in weak ... See full document

... the system of equations (1) and the homogeneous condi- tions (2) - (4). From the result of Lemma 1 it is easy to see kv(x, t)k = 0 then v(x, t) = 0, and on the base of Lemma 2, we get ku(x, t)k = 0, from here u(x, ... See full document

... This paper proposes an analytical procedure for the nonlinear singular boundary value problem that arises in biology and in the study of some diseases. As a first step, we present a ... See full document

... [7] Dem zo and Jahrestag der DDR gewidmet, “ ¨ Uber N¨aherungsverfahren zur L¨osung der nichtlinearen Schr¨odinger-Gleichung mit selbstkonsis- tentem Potential,” Math. Nachr, vol. 89, no. 1, pp. 71-85, 1979. [8] S. You, ... See full document

... A singular Cauchy-Nicoletti problem for a system of nonlinear ordinary differential equations is ...this problem having the graph in a prescribed domain is ... See full document

... differential equations have been of great interest recently because of their intensive applications in economics, financial mathematics and other applied science (see [1]-[13] and the references ...tional ... See full document

... The theory of singular impulsive differential equations has been emerging as an important area of investigation in recent years. For the theory and classical results, we refer the monographs to 1, 2 and the ... See full document

... Boundary value problems (BVPs) for nonlinear differential equations arise in a variety of areas of applied mathematics, physics and in variational problems of control ...nonlinear boundary ... See full document

... hand, singular boundary problems arise in the contexts of chemical heterogeneous catalysts, non-Newtonian fluids and also the theory of heat conduction in electrically conducting materials, see [20]-[25] ... See full document

... Moreover, a singular non-self-adjoint boundary value problem with a discontinuous coefficient and including a spectral paraxneter in the boundary condition was investigated in [10].. Our[r] ... See full document

... We note that the results on positive solutions or nontrivial solutions for other kinds of boundary value problems have been considered in many publications such as [–] and the references therein. The ... See full document

... We apply the method of quasilinearization to nonlinear singular differential system with ‘maxima’. By assuming suitable conditions on the function f , we see that there exist two monotone sequences which converge ... See full document

... satisfying five kinds of different boundary value conditions. This article shows the existence of positive solutions for positone and semi-positone type. The nonlinear term may be singular. Two ... See full document

... Singular nonlinear boundary value problems for higher order ordinary differential equations, Nonlin.. Singular boundary value problems, Bull.[r] ... See full document

... q-difference equations initiated in the beginning of the th century [–], is a very interesting field in difference ...q-difference equations, we refer the reader to [–]. However, the theory of ... See full document

... where is a strictly increasing homeomorphism and the nonnegative function k may vanish on a set of measure zero. By using the upper and lower solutions method, we prove existence results for the Dirichlet problem ... See full document

... Comparison of eigenvalues for focal point problems for nth order difference equations, Differential and Integral Equations 3 1990, 363-380.... Sturmian theory for a class of nonselfadjoi[r] ... See full document