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＜電子ブック＞
Oscillation Theory for Difference and Functional Differential Equations / by R.P. Agarwal, Said R. Grace, Donal O'Regan

版	1st ed. 2000.
出版者	(Dordrecht : Springer Netherlands : Imprint: Springer)
出版年	2000
本文言語	英語
大きさ	VIII, 338 p : online resource
著者標目	*Agarwal, R.P author Grace, Said R author O'Regan, Donal author SpringerLink (Online service)
件　名	LCSH:Difference equations LCSH:Functional equations LCSH:Differential equations LCSH:Functions of real variables FREE:Difference and Functional Equations FREE:Differential Equations FREE:Real Functions
一般注記	1 Oscillation of Difference Equations -- 2 Oscillation of Functional Differential Equations -- References This monograph is devoted to a rapidly developing area of research of the qualitative theory of difference and functional differential equations. In fact, in the last 25 years Oscillation Theory of difference and functional differential equations has attracted many researchers. This has resulted in hundreds of research papers in every major mathematical journal, and several books. In the first chapter of this monograph, we address oscillation of solutions to difference equations of various types. Here we also offer several new fundamental concepts such as oscillation around a point, oscillation around a sequence, regular oscillation, periodic oscillation, point-wise oscillation of several orthogonal polynomials, global oscillation of sequences of real­ valued functions, oscillation in ordered sets, (!, R, ~)-oscillate, oscillation in linear spaces, oscillation in Archimedean spaces, and oscillation across a family. These concepts are explained through examples and supported by interesting results. In the second chapter we present recent results pertaining to the oscil­ lation of n-th order functional differential equations with deviating argu­ ments, and functional differential equations of neutral type. We mainly deal with integral criteria for oscillation. While several results of this chapter were originally formulated for more complicated and/or more general differ­ ential equations, we discuss here a simplified version to elucidate the main ideas of the oscillation theory of functional differential equations. Further, from a large number of theorems presented in this chapter we have selected the proofs of only those results which we thought would best illustrate the various strategies and ideas involved HTTP:URL=https://doi.org/10.1007/978-94-015-9401-1

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