In this survey article, we recall some known results on existence and multiplicity of sign-changing solutions of elliptic equations. Methods for obtaining sign-changing solutions developed in the last two decades will also be briefly revisited.
机构:
Tianshui Normal Univ, Dept Math, Tianshui, Gansu, Peoples R China
Northwest Normal Univ, Dept Math, Lanzhou, Gansu, Peoples R ChinaTianshui Normal Univ, Dept Math, Tianshui, Gansu, Peoples R China
Ding, Yonghong
Li, Yongxiang
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机构:
Northwest Normal Univ, Dept Math, Lanzhou, Gansu, Peoples R ChinaTianshui Normal Univ, Dept Math, Tianshui, Gansu, Peoples R China