Conferences

• 4th Conference on Numerical Methods, Miskolc Hungary, August 24-30, 1986.

• International Congress on Computational and Applied Mathematics, Katholieke Universiteit Leuven Belgium, July 23-28, 1990.First International Colloquium on

• Numerical Analysis, Plovdiv Bulgaria, August 13-17, 1992.

• HERMIS'92, Athens University of Economics and Business, Athens Greece, September 25-26, 1992.

• HERMIS'94, Athens University of Economics and Business, Athens Greece, September, 22-24, 1994.

• Second IMACS International Symposium on Iterative Methods in LineaAlgebra, Blagoevgrad Bulgaria, June 17-20, 1995.

• HERMIS'96, Athens University of Economics and Business, Athens Greece, September 26—28, 1996.

• 11^th International Conference on Domain Decomposition Methods', University of Greenwich, Avery Hill Campus, Avery Hill Road, London SE9 UK, July, 20-24 1998.

• HERCMA'98, Athens University of Economics and Business, Athens Greece, September, 24—26, 1998.

• 5th IMACS Conference on Iterative Methods in Scientific Computing', Heraklion Crete, Greece, May 28-31, 2001.

• HERCMA'01, Athens University of Economics and Business, Athens Greece, September, 20—22, 2001.

• International Conference on Structured Matrices, Hong Kong, May 29 - June 1, 2002.

• Workshop on Nonlinear Approximations in Numerical Analysis'', Moscow Russia, June 22 - 25, 2003.

• Workshop on Structured Numerical Linear Algebra Problems: Algorithms and Applications, Cortona Italy, September 19 - 24, 2004.

• Hellenic Conference on Numerical Analysis honouring Apostolos Hadjidimos, Ioannina Greece, June 3 – 4, 2005. (Organizer)

• International Conference on Matrix Methods and Operator Equations, Moscow Russia, June 20 - 24, 2005.

• HERCMA'01, Athens University of Economics and Business, Athens Greece, September, 20 -- 22, 2005.

• Applied Linear Algebra Conference honouring Richard Varga, Palic Serbia, October 13--15, 2005.

• Conference on Algorithmic and Numerical Aspects in Web Search, Pisa Italy, February 6 -7, 2006.

• The 2^nd International Conference on Structured Matrices, Hong Kong, June 8 - 11, 2006.

• GAMM-SIAM Conference on Applied Linear Algebra, Duesseldorf Germany, July 24-27, 2006.

• 14th  Conference of the Ineternational Linear Algebra Society (ILAS-2007), Shanghai University, Shanghai, China, July 16 -- 20, 2007 (invited in minisimposium).

• HARRACOV-2007, Computational Linear Algebra with Applications, Harracov, Czech Republic, August 19--25, 2007.

• Conference in Numerical Analysis, NUMAN-2007, Kalamata, Greece, September 3--7, 2007 (member of organizing and Scientific committee).

• 8th Hellenic-European Conference on Computational Mathematics and Applications (HERCMA'07), Athens University of Economics and  Business, Athens, Greece, September, 20--22, 2007.

• Conference in Numerical Analysis, NUMAN-2008, Kalamata, Greece, September 1--5, 2008 (member of organizing and Scientific committee).

• 9th Hellenic-European Conference on Computational Mathematics and Applications (HERCMA'09), Athens University of Economics and  Business, Athens, Greece, September, 24--26, 2009.

• Applied Linear Algebra Conference honouring Hans Schneider, Nivi Sad, Serbia, May 24--28, 2010.

• 16th  Conference of the Ineternational Linear Algebra Society (ILAS-2010), Pisa, Italy, June 21 -- 25, 2010 (invited in minisimposium).

• Conference in Numerical Analysis, NUMAN-2010, Chania Crete, Greece, September 15--18, 2010 (member of organizing and Scientific committee).

• Fifth Conference on Numerical Analysis, NUMAN2012, Ioannina, Greece, September 5--8, 2012 (member of organizing and Scientific committee).