“…In some cases, the sequence even reaches the infimum in a finite number of steps (Laurent, 2007;Nie et al, 2006;Marshall, 2009;Demmel et al, 2007;Ha and Pham, 2010;Nie, 2011). This approach has proved to be particularly fruitful in many problems (Lasserre, 2009). In contrast with numerical methods such as gradient descent methods, which converge to a local extremum but with no guaranty for the global Email addresses: Marta.Abril_Bucero@inria.fr (Marta Abril Bucero), Bernard.Mourrain@inria.fr (Bernard Mourrain).…”