Research Presentations

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Conference / Workshop Presentations

IWANASP 2023 - International Workshop on Analysis and Numerical Approximation of Singular Problems, Peso da Régua, Portugal, October 2023, Invited Lecture.
7th Conference on Numerical Methods for Fractional-Derivative Problems, Beijing, China, 27-29 July 2023, Invited Lecture.
29th Biennial Conference on Numerical Analysis, Strathclyde University, UK, June 2023.
International Conference FoCM'23 Foundations of Computational Mathematics, Paris, France, June 2023; Workshop I.1: Multiresolution and Adaptivity in Numerical PDEs, Invited Lecture.
19th Workshop on Numerical Methods for Problems with Layer Phenomena, 25-27 May 2023, Prague, Czech Republic.
CFC2023 – 22nd IACM Computational Fluids Conference, April 2023, Cannes, France; Minisymposium MS6-04 “Adaptive meshes: from theory to industrial applications”.
Boundary and Interior Layers Conference (BAIL 2022), Universidad de Buenos Aires, Argentina, July 2020, postponed to 28 November - 2 December 2022, Plenary Lecture.
10th edition of the Singular Days, Nice, France, 2-4 November 2022, Invited Lecture.
CMAM 2022 (Computational Methods in Applied Mathematics) conference, TU Wien, Austria, 29 August - 2 September 2022; Minisymposium "Approximating and discretizing with structure".
6th Conference on Numerical Methods for Fractional-Derivative Problems, Beijing, China, 11-13 August 2022, Invited Lecture.
Workshop on Numerical Methods and Analysis in CFD, Weierstrass Institute Berlin, Germany, 5-8 July 2022.
Numerical Solution of Fractional Differential Equations and Applications, Sozopol, Bulgaria, 6-10 June 2022, Keynote Lecture.
Workshop on Adaptive Moving and Anisotropic Meshes for the Numerical Approximation of PDEs, International Centre for the Mathematical Sciences (ICMS), Edinburgh, Scotland, 9-13 May 2022, Invited Lecture.
18th Workshop on Numerical Methods for Problems with Layer Phenomena, 24-26 March 2022, Hagen, Germany.
Conference on the Numerical Solution of Differential and Differential-Algebraic Equations (NUMDIFF-16), Martin Luther University Halle-Wittenberg Germany, September 2021; Minisymposium "Numerical methods in fractional calculus".
34th annual meeting of the Irish Mathematical Society, MTU/UCC, Cork, Ireland, 2-3 September 2021, Invited Lecture.
5th Conference on Numerical Methods for Fractional-Derivative Problems, Beijing, China, July 2021, Invited Lecture.
17th Workshop on Numerical Methods for Problems with Layer Phenomena, University of Limerick, Ireland, November 2020.
4th Conference on Numerical Methods for Fractional-Derivative Problems, Beijing, China, June 2020, Main Invited Lecture (will now take place online 22-24 October 2020).
Chemnitz Finite Element Symposium 2020, TU Chemnitz, Germany, September 2020, Invited Lecture.
International Conference FoCM'20 Foundations of Computational Mathematics, Vancouver, Canada, June 2020, Invited Lecture (conference cancelled).
International Conference on Topical Problems of Mathematical Physics, Moscow State University, Russia, November 2019, Plenary Lecture.
28th Biennial Conference on Numerical Analysis, Strathclyde University, UK, June 2019, Plenary Lecture.
MAFELAP 2019 - The Mathematics of Finite Elements and Applications, Brunel University, UK, June 2019; Minisymposia "Design and analysis of finite element methods: compatibility and robustness" and "Numerical methods for nonlocal problems".
16th Workshop on Numerical Methods for Problems with Layer Phenomena, University of Seville, Spain, February 2019.
II International conference Multiscale methods and Large-scale Scientific Computing, Marchuk Institute of Numerical Mathematics of Russian Academy of Sciences (INM RAS), Moscow, Russia, August 2018, Invited Lecture.
BAIL 2018 -- International Conference on Boundary and Interior Layers, Glasgow, Scotland, UK, June 2018.
(At this conference I organized a minisymposium on Finite Element Approximations of Layer Solutions on Anisotropic Meshes.)
Seventh Conference Finite Difference Methods: Theory and Applications, Lozenetz, Bulgaria, June 2018, Plenary Lecture.
Adaptive Numerical Methods for Partial Differential Equations with Applications, Banff International Research Station, Canada, May 2018, Invited Lecture.
2nd Workshop on Numerical Methods for Fractional-Derivative Problems: Singularities and Fast Algorithms, Beijing, China, April 2018, Main Invited Lecture.
27th Biennial Conference on Numerical Analysis, Strathclyde University, UK, June 2017.
14th Workshop on Numerical Methods for Problems with Layer Phenomena, Galway, Ireland, April 2017.
International Conference Contemporary Problems of Mathematical Physics and Computational Mathematics, dedicated to the 110th anniversary of academician A.N. Tikhonov, Moscow State University, Russia, 1 October - 3 November 2016, Plenary Lecture.
International Conference BAIL 2016 Boundary and Interior Layers - Computational & Asymptotic Methods, Beijing, China, August 2016.
2016 AARMS-CRM Workshop on Numerical Analysis of Singularly Perturbed Differential Equations, Halifax, Canada, July 2016, Plenary Lecture.
6th Conference on Numerical Analysis and Applications NAA'16, Lozenetz, Bulgaria, June 2016, Plenary Lecture.
MAFELAP 2016 - The Mathematics of Finite Elements and Applications, Brunel University, UK, June 2016; Minisymposia "Finite element methods for convection-dominated problems" and "On the design of numerical methods and error control of evolution PDEs".
13th Workshop on Numerical Methods for Problems with Layer Phenomena, dedicated to the 90th birthday of A. B. Vasil’eva, Moscow State University, Russia, April 2016.
Adaptive algorithms for computational PDEs, University of Birmingham, UK, January 2016, Invited Lecture.
26th Biennial Conference on Numerical Analysis, Strathclyde University, UK, June 2015.
12th Workshop on Numerical Methods for Problems with Layer Phenomena, dedicated to the 65th birthday of Prof. Hans-Görg Roos, Dresden, Germany, April 2015.
International Conference BAIL 2014 Boundary and Interior Layers - Computational & Asymptotic Methods, Charles University in Prague, Czech Republic, September 2014, Plenary Lecture.
Sixth Conference Finite Difference Methods: Theory and Applications, Lozenetz, Bulgaria, June 2014, Plenary Lecture.
7th workshop on Numerical Analysis Dresden-Prague 2014, Moritzburg, Germany, May 2014.
International Multidisciplinary Workshop MURPHYS-HSFS-2014, Weierstrass Institute (WIAS), Berlin, Germany, April 2014.
11th Annual Workshop on Numerical Methods for Problems with Layer Phenomena, University of Novi Sad, Serbia, March 2014.
British Computational PDEs Colloquium: New Trends, International Centre for Mathematical Sciences (ICMS), Edinburgh, UK, January 2014, Invited Lecture.
International Workshop VMS2013 Variational MultiScale and Stabilized Finite Elements, Barcelona, Spain, November 2013.
25th Biennial Conference on Numerical Analysis, Strathclyde University, UK, June 2013.
MAFELAP 2013 - The Mathematics of Finite Elements and Applications, Brunel University, UK, June 2013.
10th Annual Workshop on Numerical Methods for Problems with Layer Phenomena, Cyprus, May 2013.
Fifth Conference on Numerical Analysis and Applications NAA'12, Lozenetz, Bulgaria, June 2012, Plenary Lecture.
Workshop Numerical Analysis for Singularly Perturbed Problems (dedicated to the 60th birthday of Martin Stynes), Dresden, Germany, November 2011.
International Conference FoCM'11 Foundations of Computational Mathematics, Budapest, Hungary, July 2011; Workshop C3: Multiresolution and Adaptivity in Numerical PDEs, Invited Lecture.
24th Biennial Conference on Numerical Analysis, Strathclyde University, UK, June 2011.
(At this conference Martin Stynes and I jointly organized a minisymposium on Numerical Methods for Singularly Perturbed Problems.)
9th Workshop on Numerical Methods for Problems with Layer Phenomena, Dublin, Ireland, February 2011.
International Conference BAIL 2010 Boundary and Interior Layers - Computational & Asymptotic Methods, Zaragoza, Spain, July 2010.
Fifth Conference Finite Difference Methods: Theory and Applications, Lozenetz, Bulgaria, June-July 2010, Plenary Lecture.
8th Workshop on Numerical Methods for Problems with Layer Phenomena, Limerick, Ireland, January 2010.
23rd Biennial Conference on Numerical Analysis, Strathclyde University, UK, June 2009.
(At this conference Eugene O'Riordan and I jointly organized a minisymposium on Numerical Methods for Singularly Perturbed Problems.)
International Conference Contemporary Problems of Computational Mathematics and Mathematical Physics, in memory of the academician Alexander A. Samarskii, Moscow, Russia, June 2009.
7th Workshop on Numerical Methods for Problems with Layer Phenomena, Limerick, Ireland, January 2009.
International Conference BAIL 2008 Boundary and Interior Layers - Computational & Asymptotic Methods, Limerick, Ireland, July 2008.
Fourth Conference on Numerical Analysis and Applications NAA'08, Lozenetz, Bulgaria, June 2008, Plenary Lecture.
Conference on Computational Methods in Applied Mathematics CMAM-3, Minsk, Belarus, July 2007.
Second International Workshop on Analysis and Numerical Approximation of Singular Problems IWANASP'06, Karlovassi, Greece, September 2006, Invited Lecture.
Fourth Conference on Finite Difference Methods: Theory and Applications, Lozenetz, Bulgaria, August 2006, Plenary Lecture.
Conference "Tikhonov and Contemporary Mathematics", Moscow, Russia, June 2006.
Annual meeting of the Irish Mathematical Society, Dublin City University, Dublin, Ireland, September 2005, Invited Lecture.
Workshop on Adaptive Method, Theory and Application, Peking University, Beijing, China, July 2005, series of Invited Lectures.
21st Biennial Conference on Numerical Analysis, Dundee, UK, June 2005.
Conference MMA2005/CMAM2, Trakai, Lithuania, June 2005.
(At this conference Eugene O'Riordan, Martin Stynes and I jointly organized a minisymposium on Numerical Methods for Singularly Perturbed Problems.)
4th Workshop on Numerical Methods for Problems with Layer Phenomena, Limerick, Ireland, February 2005.
First International Workshop on Analysis and Numerical Approximation of Singular Problems IWANASP'04, Lisbon, Portugal, November 2004, Invited Lecture.
Workshop on Numerical Methods for Problems with Layer Phenomena, Limerick, Ireland, February 2004.
Conference on Computational Methods in Applied Mathematics CMAM-1, Minsk, Belarus, July 2003.
20th Biennial Conference on Numerical Analysis, Dundee, UK, June 2003.
Workshop on Numerical Methods for Singularly Perturbed Differential Equations, Limerick, Ireland, February 2003.
Numerical Analysis and Applications Workshop, Dublin, Ireland, September 2002.
19th Biennial Conference on Numerical Analysis, Dundee, UK, June 2001.
Meeting on Numerical Methods for Singular Perturbation Problems, Oberwolfach, Germany, April 2001, Invited Lecture.
Conference on Numerical Methods for Transport-Dominated and Related Problems EPSICODE'99, Wendgräben, Germany, September 1999.
Workshop on the Analytical and Computational Methods for Convection-Dominated and Singular Perturbed Problems, Bulgaria, August 1998.
Conference on Contemporary Problems of Mathematics and Mechanics to commemorate the 175th anniversary of the birthday of P. L. Chebyshev, Moscow, Russia, May 1996.
Conference on Optimization of Finite Element Approximations (OFEA'95), St.-Petersburg, Russia, June 1995.

Seminars / Colloquia

SSchool of Applied Mathematical and Physical Sciences, National Technical University of Athens, Greece, May 2023
SUSTech International Center for Mathematics, Southern University of Science and Technology, China, October 2022
Colloquium at the Mathematical Science Research Centre (MSRC), Queen’s University of Belfast, Ireland, October 2022
Numerical Analysis Seminar, Department of Mathematics, Texas A&M University, USA, November 2017.
Department of Mathematics, University of Sussex, UK, December 2016.
Guest Lecture at the 2-day short course on Numerical Analysis of Singularly Perturbed Differential Equations, 2016 AARMS-CRM Workshop on Numerical Analysis of Singularly Perturbed Differential Equations, Halifax, Canada, July 2016.
Beijing Computational Science Research Center Seminar, Beijing, China, August 2016.
Numerical Analysis Seminar, Department of Mathematics, Texas A&M University, USA, October 2015.
SIAM Graduate Student Chapter Seminar, Texas A&M University, USA, October 2015.
Applied and Computational Mathematics Seminar, Cardiff School of Mathematics, Cardiff University, UK, November 2014.
Fakultät Mathematik und Informatik, FernUniversität in Hagen, Germany, August 2014.
Institute of Numerical Mathematics, Department of Mathematics, Technical University of Dresden, Dresden, Germany, April 2014.
Department of Mathematics and Statistics, University of Strathclyde, UK, December 2013.
Faculty of Mathematics, University of Duisburg-Essen, Duisburg, Germany, January 2011.
Mathematical Institute, University of Cologne, Cologne, Germany, January 2011.
Institute of Numerical Mathematics, Department of Mathematics, Technical University of Dresden, Dresden, Germany, December 2010.
School of Mathematical Sciences, Dublin City University, Dublin, Ireland, March 2009.
Departamento de Matemática do Instituto Superior Técnico, Lisbon, Portugal, March 2008.
Institute of Numerical Mathematics, Department of Mathematics, Technical University of Dresden, Dresden, Germany, December 2007.
Industrial Mathematics Institute, Department of Mathematics, University of South Carolina, USA, November 2007.
School of Mathematical Sciences, University College Cork, Cork, Ireland, March 2007.
School of Mathematical Sciences, Dublin City University, Dublin, Ireland, October 2004.
School of Mathematical Sciences, Peking University, Beijing, China, August 2004.
Institute for Computational and Applied Mathematics of Xiangtan University, Xiangtan, China, July 2004.
Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland, April 2003.
Department of Mathematical Physics, University College Dublin, Dublin, Ireland, January 2003.
School of Mathematical Sciences, Dublin City University, Dublin, Ireland, March 2001.
Department of Mathematics, National University of Ireland, Galway, Ireland, January 2001.