The preferred way to contact me is by e-mail.
schnorr@inf.ufrgs.br
You can find me in the following address, but make sure you drop me an e-mail first.
Sector 4 - Building 43425 - Office 242
Instituto de Informática - INF
UFRGS - Campus do Vale
Av. Bento Gonçalves, 9500
Porto Alegre/RS - Brasil
CEP 91509-900