1. CIMPA UNESCO SCHOOL ON Riemannian, Pseudo-Riemannian Geometry and Dynamics and Applications, El-Oued, Algeria, Feb.26th – Mar. 10th , 2005.
2. Attending in the course: Mathematics Education Improvement for Middle East, implementedin OSAKA, JAPAN, Sep. 29th -- Nov. 10th , 2008.
3. Attending in Advanced School and Workshop on Discrete Groups in Complex Geometrie, ICTP, ITALY, 28 June - 16 July 2010.
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