Conferences

Analysis, Geometry, and Applications
Université du Burundi, Bujumbura Burundi, December 2019

New Trends of Mathematical Methods in Physics
IMSP, Dangbo Benin, May 2019

XXXVII Workshop on Geometric Methods in Physics
Bialowieza Poland, July 2018

The Fourth Afro-Franco-Brazilian Meeting on Mathematics and Physics
IMSP, Dangbo, Benin, July 2017

Escola Patricio Letelier de Física matemática
Ubu, Brazil, February 2016

Verão Quântico 2015
UFPA, João Pessoa, Brazil, February 2015

Belgian Bracket and Quantisation Workshop
Université libre de Bruxelles, Belgium, April 2014

Quantum Geometry and Matter
SISSA, Trieste Italy, April 2013

Workshop on Quantization and Reduction 2013
Erlangen, Germany, March 2013

3° Encontro Afro-Franco-Brasileiro de Física e Matemática
UFV, Viçosa, Brazil, March 2013

5° Verão Quântico: Homenagem aos 70 anos do Prof. Richard Kerner
Ubú, Brazil, February 2013

XXII Escola de álgebra
Salvador, Brazil, July 2012

Lie and Jordan algebras, their representations and applications V
Belém, Brazil, July 2012

Spring School on Algebraic Microlocal Analysis
Northwestern University, USA, May 2012

Quantum Field Theory and Quantum Gravity: dedicated to Olivier Piguet
Ubú, Brazil, February 2012

Nikolai Neumaier Commemorative Colloquium
Mulhouse, France, June 2011

Quantization of Singular Spaces
Centre for Quantum Geometry of Moduli Spaces, Aarhus, Danemark, December 2010

Efeitos Quânticos em Gravitação e Cosmologia
Itaúnas-ES, Brazil, August 2010

Workshop on Algebraic Geometry and Physics 2010
Deformation, quantization and algebraic index theorems
Saint-Jean-de-Monts, France, June 2010

Encontro Afro-Franco-Brasileiro de Física e Matemática
Ubú, Anchieta, Brazil, February 2010

American Mathematical Society Sectional Meeting
University of California at Riverside, USA, November 2009

The Moshe Flato Memorial Meeting
Ben-Gurion University, Beer-Sheva, Israel, November 2008

Colóquio Brasileiro de Matemática
IMPA, Rio de Janeiro, Brazil, July/August 2007

Workshop on Noncommutative Manifolds II
ICTP, Trieste, Italy, October 2007

Third Brazilian Workshop on Cosmology and Gravitation
UFES, Vitória, Brazil, August 2005

Infinite Dimensional Analysis and Path Integrals
CIRM, Luminy, France, December 2004

Geometry and Physics II
Beijing & Kaifen, China, July 2004

Noncommutative Geometry and Physics
Keio University, Yokohama, Japan, February 2004

International Workshop on Quantum Field Theory and Noncommutative Geometry
Tohoku University, Sendai, Japan, November 2002

Topics in Mathematical Physics, General Relativity, and Cosmology
CINVESTAV, Mexico, September 2002

Seminar talks

- IMSP, Porto-Novo, Benin, October 2014
- UFAM, Manaus, Brazil, September 2012
- UFES, Vitória, Brazil, February 2012
- Universidade Federal do Paraná, Brazil, December 2011
- Universidade de Brasília, Brazil, November2011
- Universidade de São Paulo, Brazil, October 2011
- Universidade Federal do Abc, São Paulo, Brazil, October 2011
- UFES (Mathematics Dept.), Vitória, Brazil, August 2011
- UFES (Physics Dept.), Vitória, Brazil, August 2011
- Universidade Federal da Bahia, Salvador, Brazil, August 2010
- Universidade Federal do Abc, São Paulo, Brazil, July 2010
- California Institute of Technology, Pasadena, USA, November 2009
- UCLA, Los Angeles, USA, November 2009
- UFES, Vitória, Brazil, July 2009
- Waseda University, Tokyo, Japan, October 2008
- Albert-Ludwigs-Universität, Freiburg, Germany, June 2008
- Université de Metz, France, March 2008
- Université du Luxembourg, January 2008
- Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Brazil, August 2007
- UFES, Vitória, Brazil, July 2007
- Université de Bourgogne, Dijon, France, May 2007
- Groupoids and Stacks in Physics and Geometry, Institut Henri Poincaré, Paris, March 2007
- UFES, Vitória, Brazil, August 2006
- Waseda University, Tokyo, Japan, July 2006
- RIMS, Kyoto University, Japan, April 2006
- Saga University, Japan, March 2006
- CINVESTAV, Mexico DF, August 2005
- Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Brazil, August 2005
- Colloquium, Université Blaise Pascal, Clermont-Ferrand, April 2005
- Université Blaise Pascal, Clermont-Ferrand, April 2005
- Université Paris VI, March 2005
- Journées Metz-Nancy-Strasbourg, Université de Metz, March 2005
- Université catholique de Louvain, Belgium, March 2005
- CINVESTAV, Mexico DF, September 2004
- UNAM, Cuernavaca, Mexico, August 2004
- Université de Bordeaux I, France, June 2004
- Albert-Ludwigs-Universität, Freiburg, Germany, June 2004
- RIMS, Kyoto University, Japan, March 2004
- CINVESTAV, Mexico DF, September 2003
- Albert-Ludwigs-Universität, Freiburg, Germany, June 2002
- Institut Fourier, Université de Grenoble, France, February 2002

Lecture Series

- UFES, Vitória, Brazil, July 2019
- Tohoku university, Sendai, Japan, April 2015
- UFES, Vitória, Brazil, March 2015
- UFES, Vitória, Brazil, May/June 2013
- UFBA, Brazil, November/December 2011
- UFES, Vitória, Brazil, January 2009
- Pathways Lecture Series in Mathematics, Keio University, Japan, June 2006