Affiliation:
1. Department of Mathematical Sciences “G. L. Lagrange,” Politecnico di Torino, 10129 Torino, Italy.
Funder
Scientific Research Programmes of Relevant National Interest
National Group of Mathematical Physics
Deutsche Forschungsgemeinschaft
Ministero dell’Istruzione, dell’Università e della Ricerca
Publisher
Society for Industrial & Applied Mathematics (SIAM)