Bull. Korean Math. Soc. 2010; 47(2): 355-367
Printed March 1, 2010
https://doi.org/10.4134/BKMS.2010.47.2.355
Copyright © The Korean Mathematical Society.
Li Zhang and Weigao Ge
Beijing Institute of Technology and Beijing Institute of Technology
In this paper, the existence of periodic solutions is obtained for a kind of $p$-Laplacian systems by the minimax methods in critical point theory. Moreover, the existence of infinite periodic solutions is also obtained.
Keywords: periodic solution, $p$-Laplacian system, PS-condition, saddle point theorem
MSC numbers: 34K13, 35A15
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