Invited Conference Lectures

  1. Invited Plenary Lecturer, 5th Conference on Numerical Analysis and Applications, Lozenetz, Bulgaria, June 2012.
  2. Invited Speaker, 8th International Conference on Scientific Computing and Applications, Las Vegas, USA, April 2012.
  3. Invited Main Speaker, Irish Mathematical Society Annual Meeting, Limerick, August 2011.
  4. Invited Main Speaker, Colloquium celebrating 60th birthday of Lutz Tobiska, Otto-von-Guericke University Magdeburg, Germany, December 2010.
  5. Invited Main Speaker, Chemnitz FEM Symposium, Germany, September 2010.
  6. Invited Plenary Speaker at CMAM-4 (International Conference on Computational Methods in Applied Mathematics), Bedlewo, Poland, June 2010.
  7. Invited Main Speaker, Colloquium celebrating 60th birthday of Hans-Görg Roos, Technical University of Dresden, Germany, November 2009.
  8. Invited Main Speaker, University of Bath / Rutherford Appleton Laboratory Numerical Analysis Day, Bath, U.K., September 2009.
  9. Invited Main Speaker at International Conference on Superconvergence Phenomena in the  Finite Element Method, Prague, Czech Republic, June 2008.
  10. Keynote Speaker at 3rd International Conference on Computational Methods in Applied Mathematics (CMAM-3), Minsk, Belarus, June 2007.
  11. Keynote Speaker at BAIL 2006 (International Conference on Boundary and Interior Layers), G\"ottingen, Germany, July 2006.
  12. Invited Speaker, International Conference on Applicable Harmonic Analysis: Approximation and Computation, Beijing, China, June 2006.
  13. Invited Speaker, Workshop on Robust Numerical Methods for Singularly Perturbed and Multiscale Problems, Amsterdam, The Netherlands, November 2005.
  14. Invited Main Speaker, Annual Conference of the Dutch-Flemish Numerical Analysis Communities, Woudschoten, Zeist, The Netherlands, October 2005.
  15. Invited Speaker, Workshop on Finite Elements and Fast Iterative Solvers, Manchester, U.K., July 2005.
  16. Invited Plenary Speaker, SANUM 2005 (Annual Conference of South African Society for Numerical and Applied Mathematics), Stellenbosch, South Africa, 2005.
  17. Invited Speaker, Com2MaC Conference on Computational Mathematics, Kyungju, Korea, December 2003.
  18. Invited Main Speaker, Biennial Numerical Analysis Conference, Dundee, Scotland, June 2003.
  19. Invited Speaker, EQUADIFF 10 Conference, Prague, Czech Republic, 2001.
  20. Invited Main Speaker, Conference on Three-dimensional Problems in Finite Element Methods, Jyvaskyla, Finland, 2000.
  21. Invited Speaker at Festkolloquium von Prof.em.Dr.H.Goering, Otto-von-Guericke-Universitat, Magdeburg, Germany, 2000.
  22. Invited Main Speaker, CIMAF'99 Conference on Numerical Analysis, Havana, Cuba, 1999.
  23. Invited Main Speaker, SIAM Meeting, London, England, 1999.
  24. Invited Speaker at Workshop on Numerical Methods for Convection-Diffusion Problems, Albert-Ludwigs Universitat, Freiburg, Germany, 1999.
  25. Invited Speaker, Scottish Computational Mathematics Symposium, Glasgow, Scotland, 1998.
  26. Invited Speaker at Workshop on Numerical Solution of Thin-Layer Phenomena, Amsterdam, The Netherlands, 1997.
  27. Invited Plenary Speaker at Modelling 94 Conference, Prague, Czech Republic, 1994.
  28. Keynote Speaker at Irish Mathematical Society Annual Meeting, Waterford, 1992.
  29. Invited Plenary Speaker at Fifth International Conference on Boundary and Interior Layers, Shanghai, P.R.C., 1988.

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