2 papers
math.AP2024
The Method of Invariant Sets of Descending Flow for Locally Lipschitz Functionals
Xian Xu, Baoxia Qin
In this paper, we extend the method of invariant sets of descending flow that proposed by Sun Jingxian for smooth functionals to the locally Lipschitz functionals. By this way, we…
math.AP2024
Sign-changing solutions of variational inequality
Xu Xian, Wang Taotao
In this paper, we are concerned with the sign-changing solutions of variational inequality problems. In order to give the existence results of the sign-changing solutions for varia…