10:30 - 10:50 Jorge Cossio (Introduction) Universidad Nacional de Colombia Sede Medellín
10:50 - 11:10 Manuel del Pino University of Bath, England
11:10 - 11:30 Djairo G. de Figueiredo University of Campinas, UNICAMP. Campinas, Brazil
11:30 - 11: 40 Virtual coffee Break
11:40 - 12:00 Bernhard Ruf Università degli Studi di Milano, Milan, Italia
12:00 - 12:20 Peter Bates Michigan State University, USA
12:20 - 12: 40 Ratnasingham Shivaji University of North Carolina at Greensboro (UNCG), USA
12: 40 - 13:30 Short interventions