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Multiplicity results of periodic solutions for a class of first order delay differential equations

โœ Scribed by Ke Wu; Xian Wu


Book ID
113721900
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
196 KB
Volume
390
Category
Article
ISSN
0022-247X

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๐Ÿ“œ SIMILAR VOLUMES


Existence of periodic solutions for a cl
โœ Ke Wu; Xian Wu ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 326 KB

By the weak linking theorem and the local linking theorem, we study the existence of periodic solutions for the following delay non-autonomous systems The variational principle is given, some existence theorems of 4r-periodic solutions of (1) are obtained.

Periodic solutions of higher-order delay
โœ Yuji Liu; Pinghua Yang; Weigao Ge ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 219 KB

In this paper, we prove existence results for periodic solutions concerning the higher-order delay differential equations. Our method is based upon the coincidence degree theory of Mawhin. The results obtained are new. Examples are given to illustrate the main results.