
Sign-changing solutions of nonlinear elliptic equations
Zhaoli Liu, Zhi-Qiang Wang
Front. Math. China ›› 2008, Vol. 3 ›› Issue (2) : 221-238.
Sign-changing solutions of nonlinear elliptic equations
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.
Elliptic equation / invariant set / sign-changing solution
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