International Visits

  1. Shangrao Normal University, China (April 15-18, 2019).
  2. Technical University Berlin, Germany,  December 5-6, 2018.
  3. School of Mathematics and Computational Science, Xiangtan University, China, July 24-26, 2018.  
  4. Peking University, Beijing China, Silkroad Mathematics Center, Series International Conferences (Modern Algebraic Geometry, July 22-27, 2018).
  5. Swami Keshvanand Institute of Technology, Management & Gramothan, scientific meeting, Jaipur (INDIA), May 04-05, 2018.
  6. Mathematical and System Sciences, Chinese Academy of Sciences (Silkroad Mathematics Center of Chinese Mathematical Society) (December 9-12, 2016; April 15-22, 2017; April 10-13, 2019), Beijing, China.
  7. TU Bergakademie Freiberg, Germany, (October 24, 2016, November 2, 2017- January 29, 2018; September 15-December 12, 2018).  
  8. Mindanao State University, Iligan-Mindanao, Philippines (scientific meeting), June 10-30, 2016.
  9. Colombo, Sri Lanka (scientific meetings), 26-29, October, 2015; May 16-20, 2017. 
  10. New Delhi, India (DAAD Research Ambassadors Workshop) November 13-15, 2014.
  11. University of Kaiserslautern, Germany (25-27/09/2018, 01/06-30/06,2017, 15/10-14/11/2016, 1/7-31/12/2014; 1/1-30/6/2013; 1/4-30/9/2012; 19/92/10/2010; 1/9-30/09/2006; 1/10/1994-30/9/1996).
  12. Kolaghat, India (scientific meeting), December 27-29, 2013.
  13. University of Magdeburg, Germany (1/5/2010-14/6/2010; 1/10/200630/11/2006; 1/10/1999-24/5/2002)
  14. Chonbuk National University, South Korea, 11/06/2008 - 10/08/2008.
  15. Memorial University of Newfoundland, Canada, 21/09/2004 -21/07/2005.
  16. DIMACS, Center of Discrete Mathematics and Theoretical Computer Science, USA, June 2003.
  17. IIT Bombay, India (scientific meeting), December 2002.
  18. Goethe Institute Hannover, Germany, 01/08/1999 30/09/1999.
  19. Aussois, France (scientific meeting), June 2001.
  20. Goethe Institute Freiburg, Germany, 01/08/1994 30/09/1994.
  21. Tokyo, Hiroshima, Oklahoma Japan, Japan (educational tour), 1989.