You can click on the image to see a larger version. The name of the artist is also there; can you find it?
A photo for documents, November 2012.
This photo was taken in the Botanical Garden of Rio de Janeiro, July 2012.
This photo was taken in Joao Pessoa, October 2010.
This is the photo of the Encontro Brasileiro de Topologia, PUC-Rio, August 2010. I am sitting way at the front.
These photos were taken in my office at PUC-Rio, early 2007.
This photo was taken in Rio de Janeiro, December 2005.
This photo was taken at PUC-Rio, December 2004.
This photo was taken in Rio de Janeiro, September 2004.
This photo was taken at a friend's house, June 2003.
This photo was taken at PUC-Rio, March 2003.
This photo was taken at Escola Parque, at the occasion of the first round of OBM 2000. I am the one wearing glasses.
This photo was taken at PUC-Rio, possibly 1998.
This photo was taken at IMPA, possibly 1996.
This photo was taken in Princeton, NJ, possibly 1986.
This photo was taken in Rio de Janeiro, July 1981.