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A Regularity Theorem for Certain 2nth-Order Nonlinear Differential Operator with a Parameter

✍ Scribed by Liu Yingfan


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
241 KB
Volume
222
Category
Article
ISSN
0022-247X

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## Abstract In this paper, we use the coincidence degree theory to establish new results on the existence and uniqueness of __T__ ‐periodic solutions for a class of nonlinear __n__ ‐th order differential equations with delays of the form __x__^(__n__)^(__t__) + __f__ (__x__^(__n‐__ 1)^(__t__)) + _