%0 Journal Article %A Nyamoradi, Neamat %A Teng, Kaimin %T Existence of Three Solutions for Hemi-variational Inequalities Driven With Impulsive Effects %J Mathematical Analysis and Convex Optimization %V 1 %N 1 %U http://maco.lu.ac.ir/article-1-41-en.html %R 10.29252/maco.1.1.4 %D 2020 %K Nonsmooth critical point, Variational methods, Locally Lipschitz, Impulsive., %X In this paper we prove the existence of at least three solutions to the following second-order impulsive system: where `A: [0, T] rightarrow mathbb{R}^{N times N}` is a continuous map from the interval `[0, T]` to the set of `N`-order symmetric matrixes. The approach is fully based on a recent three critical points theorem of Teng [K. Teng, Two nontrivial solutions for hemivariational inequalities driven by nonlocal elliptic operators, Nonlinear Anal. (RWA) 14 (2013) 867-874]. %> http://maco.lu.ac.ir/article-1-41-en.pdf %P 25-39 %& 25 %! %9 Research Article %L A-10-48-1 %+ Razi University %G eng %@ 2717-0624 %[ 2020