General existence results for nonconvex third order differential inclusions. Bounkhel, Messaoud, Al-Senan, Bushra (2010) Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
General existence results for second order nonconvex sweeping process with unbounded perturbations. Bounkhel , Messaoud (2003) Portugaliae Mathematica. Nova Série
Gradient flows of non convex functionals in Hilbert spaces and applications Riccarda Rossi, Giuseppe Savaré (2006) ESAIM: Control, Optimisation and Calculus of Variations This paper addresses the Cauchy problem for the gradient flow equation in a Hilbert space ℋ u ...