Quasi Convex Integrands and Lower Semicontinuity in BV
We discuss the lower semicontinuity of multiple integrals of the calculus of variations, for quasi convex integrands in BV setting. The main result is a lower semicontinuity theorem with respect to weak convergence in BV, i.e. L_1 L 1 -convergence of equi-BV sequences, under mild assumptions o...