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math.AP2026
Double interaction principle for the Lorentz force equation
Cristain Bereanu, Nicusor Costea
In this paper we study the Lorentz force equation using the Poincare action functional. We show that, if the scalar electric potential has good interactions at infinity and around…
math.AP2022★ 5 cited
Coupled systems of nonlinear variational inequalities and applications
Nicusor Costea
In this paper we investigate the existence of solutions for a system consisting of two inequalities of variational type. Each inequality is formulated in terms of a nonlinear bifun…
math.AP2022★ 7 cited
Existence results for variational-hemivariational inequality systems with nonlinear couplings
Yunru Bai, Nicusor Costea, Shengda Zeng
In this paper we investigate a system of coupled inequalities consisting of a variational-hemivariational inequality and a quasi-hemivariational inequality on Banach spaces. The ap…