Guillermo Nuñez Ponasso
Room 707
Research Center for Pure and Applied Mathematics,
Graduate School of Information Sciences,
Tohoku University,
6-3-09 Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579,
Japan
Email: guillermo {dot} carlo {dot} nunez {dot} a7 {at} tohoku {dot} ac {dot} jp
gcnunez {at} wpi {dot} edu