Boundary‐Value Problems for Weakly Nonlinear Delay Differential Systems

A. Boichuk, J. Diblík, D. Khusainov and M. Růžičková

Abstract and Applied Analysis, 2011, vol. 2011, issue 1

Abstract: Conditions are derived of the existence of solutions of nonlinear boundary‐value problems for systems of n ordinary differential equations with constant coefficients and single delay (in the linear part) and with a finite number of measurable delays of argument in nonlinearity: z.(t)=Az(t-τ)+g(t)+εZ(z(hi(t),t,ε), t∈[a,b], assuming that these solutions satisfy the initial and boundary conditions z(s): = ψ(s) if s∉[a, b], ℓz(·) = α ∈ ℝm. The use of a delayed matrix exponential and a method of pseudoinverse by Moore‐Penrose matrices led to an explicit and analytical form of sufficient conditions for the existence of solutions in a given space and, moreover, to the construction of an iterative process for finding the solutions of such problems in a general case when the number of boundary conditions (defined by a linear vector functional ℓ) does not coincide with the number of unknowns in the differential system with a single delay.

Date: 2011
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https://doi.org/10.1155/2011/631412

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlaaa:v:2011:y:2011:i:1:n:631412

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