Periodic solutions to differential systems with unbounded or periodic nonlinearities
type: Item
instance of: scholarly article
title: Periodic solutions to differential systems with unbounded or periodic nonlinearities
zbMATH Open document ID: 1109.34032
author: Jian-Xia Feng
author: Zhiqing Han
published in: Journal of Mathematical Analysis and Applications
publication date: 2006-12-07T00:00:00Z
review text: The authors investigate the existence and multiplicity of periodic solutions to differential systems of Josephson type. They prove some variants of results obtained by K. C. Chang and others [see also \textit{A. Fonda} and \textit{J. Mawhin}, in: M. Themistocles Rassias (ed.), The Problem of Plateau: A tribute to J. Douglas and T. Rado. London: World Scientific Publishing Co. Pte. Ltd, 111--128 (1992; Zbl 0798.58028)]. The proofs use variational methods, and in particular the saddle point theorem with some of its generalizations.
Mathematics Subject Classification ID: 34C25
zbMATH DE Number: 5077904
zbMATH Keywords: Josephson-type system
zbMATH Keywords: saddle point theorem
reviewed by: Alessandro Fonda
MaRDI profile type: Publication
full work available at URL: j.jmaa.2005.11.039
OpenAlex ID: W2016900483
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DOI: 10.1016/J.JMAA.2005.11.039
description: scientific article; zbMATH DE number 5077904