Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

Article

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J. Korean Math. Soc. 2008; 45(6): 1549-1559

Printed November 1, 2008

Copyright © The Korean Mathematical Society.

Multiple periodic solutions of $p$-Laplacian equation with one-side Nagumo condition

Jian Jun Zhang, Wen Bin Liu, Jin Bo Ni, and Tai Yong Chen

China University of Mining and Technology, China University of Mining and Technology, Anhui University of Science and Technology, and China University of Mining and Technology

Abstract

In this paper, the existence and multiplicity of solution of periodic solutions of $p$-Laplacian boundary value problem are studied by using degree theory and upper and lower solutions method. Some known results are improved.

Keywords: $p$-Laplacian equations, periodic solution, one-side Nagumo condition, multiplicity, upper and lower solutions

MSC numbers: Primary 34C25