A maximum principle for the system Δu − ∇W(u)=0

Comptes Rendus Mathematique - Tập 354 - Trang 595-600 - 2016
Panagiotis Antonopoulos1, Panayotis Smyrnelis2
1Department of Mathematics, University of Athens, Panepistemiopolis 15784, Athens, Greece
2Centro de Modelamiento Matemático, Universidad de Chile, Santiago, Chile