Acta mathematica scientia,Series B ›› 2019, Vol. 39 ›› Issue (2): 580-596.doi: 10.1007/s10473-019-0220-8

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A NONTRIVIAL SOLUTION OF A QUASILINEAR ELLIPTIC EQUATION VIA DUAL APPROACH

Xianyong YANG1, Wei ZHANG2, Fukun ZHAO3   

  1. 1. School of Preparatory Education, Yunnan Minzu University, Kunming 650500, China;School of Mathematics and Statistics, Central south University, Changsha 410205, China;
    2. Department of Mathematics, Yunnan University, Kunming 650500, China;
    3. Department of Mathematics, Yunnan Normal University, Kunming 650500, China
  • Received:2017-10-07 Revised:2018-04-07 Online:2019-04-25 Published:2019-05-06
  • Contact: Fukun ZHAO E-mail:fukunzhao@163.com
  • Supported by:
    This work was supported partially by National Natural Science Foundation of China (11771385, 11661083) and the Youth Foundation of Yunnan Minzu University (2017QNo3).

Abstract: In this article, we are concerned with the existence of solutions of a quasilinear elliptic equation in RN which includes the so-called modified nonlinear Schrödinger equation as a special case. Combining the dual approach and the nonsmooth critical point theory, we obtain the existence of a nontrivial solution.

Key words: nontrivial solution, quasilinear elliptic equation, nonsmooth critical point theory, dual approach

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