Bulletin of the
Korean Mathematical Society
BKMS

ISSN(Print) 1015-8634 ISSN(Online) 2234-3016

Article

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Bull. Korean Math. Soc. 2017; 54(1): 125-144

Online first article January 12, 2017      Printed January 31, 2017

https://doi.org/10.4134/BKMS.b150975

Copyright © The Korean Mathematical Society.

Three nontrivial nonnegative solutions for some critical $p$-Laplacian systems with lower-order negative perturbations

Chang-Mu Chu, Chun-Yu Lei, Jiao-Jiao Sun, and Hong-Min Suo

Guizhou Minzu University, Guizhou Minzu University, Guizhou Minzu University, Guizhou Minzu University

Abstract

Three nontrivial nonnegative solutions for some critical quasilinear elliptic systems with lower-order negative perturbations are obtained by using the Ekeland's variational principle and the mountain pass theorem.

Keywords: quasilinear elliptic systems, critical Sobolev exponent, sublinear perturbations, Ekeland's variational principle, mountain pass theorem

MSC numbers: 35J50, 35J55, 58J20