L Jeanjean, SS Lu - Calculus of Variations & Partial …, 2022 - search.ebscohost.com
In any dimension N≥ 1, for given mass m > 0 and for the C 1 energy functional I (u):= 1
2∫ RN|∇ u| 2 dx-∫ RNF (u) dx, we revisit the classical problem of finding conditions on F∈ …