The group:

Prof. Renato Pakter,

Prof. Roger Pizzato, 
Alexandre Bonatto, 
Wilson Simeoni, Jr.,

Luciano Camargo Martins,
Everton Granemann Souza. 
                     

Collaborators: 
Prof. Yan Levin (IF-UFRGS), Dr. Chiping Chen (MIT), Prof. Sérgio Lopes (UFPR), Prof. Ricardo Viana (UFPR), Dr. Maria Virgínia Alves (INPE), Dr. Abraham Chian (INPE), Prof. Erico Rempel (ITA), Prof. Iberê Caldas (IFUSP), Prof. Glaucius Iahnke de Oliveira (UFMS), Prof. Antônio Serbeto (IF-UFF).