Between mid-August and mid-October 2021 we were visited by professor and researcher Osvaldo A Barbosa from the National University of San Luis Argentina. Different tasks have been carried out in the framework of cooperation supported by the Spanish Agency for International Cooperation and the Proyecto de Fortalecimiento de Redes Interuniversitarias V (Resolución SPU 288/11) of the Ministry of Education of Argentina. More details in this link .