Abstract

We study the existence of S-asymptotically ω-periodic solutions for a class of abstract partial integro-differential equations and for a class of abstract partial integrodifferential equations with delay. Applications to integral equations arising in the study of heat conduction in materials with memory are shown.

Highlights

  • In this paper we study the existence of S-asymptotically ω-periodic solutions for a class of abstract integrodifferential equations of the form t u t Au tB t − s u s ds g t, u t, t ≥ 0, 1.1 u 0 x0, 1.2 where A : D A ⊆ X → X and B t : D B t ⊆ X → X for t ≥ 0 are densely defined closed linear operators in a Banach space X, ·

  • We study the existence of S-asymptotically ω-periodic solutions for a class of abstract partial integro-differential equations and for a class of abstract partial integrodifferential equations with delay

  • We assume that D A ⊂ D B t for every t ≥ 0 and that g : 0, ∞ × X → X is a suitable function

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Summary

Introduction

B t − s u s ds g t, u t , t ≥ 0, 1.1 u 0 x0, 1.2 where A : D A ⊆ X → X and B t : D B t ⊆ X → X for t ≥ 0 are densely defined closed linear operators in a Banach space X, ·. To the best of our knowledge, the study of the existence of S-asymptotically ω-periodic solutions for equations of type 1.1 is a topic not yet considered in the literature. To fill this gap is the main motivation of this paper. We consider some definitions, technical aspects and basic properties related with S-asymptotically ω-periodic functions and resolvent operators. As an application of our abstract results, in the fourth section, we establish conditions for the existence of S-asymptotically ω-periodic mild solutions of a specific integral equation arising in the study of heat conduction in materials with memory

Preliminaries
Existence Results
Existence Results for Functional Equations
Applications to the Heat Conduction
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