ArticleOriginal scientific text

Title

Integro-differential equations on time scales with Henstock-Kurzweil delta integrals

Authors 1

Affiliations

  1. Adam Mickiewicz University, Faculty of Mathematics and Computer Science, Poznań, Poland

Abstract

In this paper we prove existence theorems for integro - differential equations xΔ(t)=f(t,x(t),tk(t,s,x(s))Δs), t ∈ Iₐ = [0,a] ∩ T, a ∈ R₊, x(0) = x₀ where T denotes a time scale (nonempty closed subset of real numbers R), Iₐ is a time scale interval. Functions f,k are Carathéodory functions with values in a Banach space E and the integral is taken in the sense of Henstock-Kurzweil delta integral, which generalizes the Henstock-Kurzweil integral. Additionally, functions f and k satisfy some boundary conditions and conditions expressed in terms of measures of noncompactness. Moreover, we prove an Ambrosetti type lemma on a time scale.

Keywords

integro-differential equations, nonlinear Volterra integral equation, time scales, Henstock-Kurzweil delta integral, HL delta integral, Banach space, fixed point, measure of noncompactness, Carathéodory solutions

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Pages:
71-90
Main language of publication
English
Received
2010-04-20
Published
2011
Exact and natural sciences