Département de Mathématiques, Université de Cergy--Pontoise, 2, avenue Adolphe Chauvin, BP 222, 95302 Cergy--Pontoise, France
Abstract:
For the critical generalized Korteweg-de Vries equation, we establish blow-up in finite or infinite time in for initial data with negative energy, close to a soliton up to scaling and translation.