Non-variational weakly coupled elliptic systems
arXiv:2105.01493 · doi:10.1007/s13324-022-00673-x
Abstract
We establish the existence of a nonnegative fully nontrivial solution to a non-variational weakly coupled competitive elliptic system. We show that this kind of solutions belong to a topological manifold of Nehari-type, and apply a degree-theoretical argument on this manifold to derive existence.
arXiv comment21 pages