Forthcoming talks

J. Gondzio, Continuation in Optimization: From interior point methods to Big Data (plenary talk), Optimization 2017, Lisbon, 6-8 September 2017.

J. Gondzio, Cutting Planes and Column Generation with the Primal-Dual Interior Point Method, (plenary talk), 18th French-German-Italian Conference on Optimization (FGI 2017), Paderborn, 25-28 September 2017.

J. Gondzio, (TBA) (invited talk), joint meeting of the EMS and the Societat Catalana de Matematiques, Edinburgh, 28-29 September 2017.

J. Gondzio, (TBA) (plenary talk), SIAM-UKIE 2018, Southampton, UK, January 11, 2018.

J. Gondzio, Interior point methods for very large scale optimization, PhD Course (12 lectures), L'Ecole Polytechnique, Paris, France, January 24-26, 2018.

J. Gondzio, (TBA) (plenary talk), SIGOPT 2018, Kloster Irsee, Germany, March 21-23, 2018.

J. Gondzio, Interior point methods for very large scale optimization, PhD Course (12 lectures), University of Padova, Padova, Italy, May 14-25, 2018.

J. Gondzio, Interior point methods for linear, quadratic and semidefinite programming, PhD Course (6 lectures), NATCOR, Edinburgh University, June 4-7, 2018.

Selected recent invited/plenary talks

available in form of Acrobat Reader (.pdf) files.

J. Gondzio, Further Development of Column Generation with the Primal-Dual Interior Point Method, IFORS Conference, Quebec City, Canada, 17-21 July 2017.

J. Gondzio, Stabilization of Column Generation with the Primal-Dual Interior Point Method, EUROPT Conference, Montreal, Canada, 12-14 July 2017.

J. Gondzio, Interior point methods for very large scale optimization: Opportunities in engineering applications, PhD Course (6 lectures), The University of Florence, Florence, Italy, June 5-12, 2017.

J. Gondzio, Continuation in Optimization: From interior point methods to Big Data (plenary talk), Mathematics of Operational Research Conference, The first joint conference of The Institute of Mathematics and Its Applications (IMA) and The Operational Research Society (ORS), Birmingham, UK, 20-21 April, 2017.

J. Gondzio, Interior point methods for very large scale optimization, PhD Course (20 lectures), Vienna Graduate School on Computational Optimization (VGSCO), Vienna, Austria, December 1-7, 2016.

J. Gondzio, Stable Column Generation with the Primal-Dual Interior Point Method (invited talk), Bordeaux, October 21, 2016.

J. Gondzio, Inexact search directions in interior point methods for large-scale optimization (plenary talk), The Fifth IMA Conference on Numerical Linear Algebra and Optimization, Birmingham, UK, 7-9 September, 2016.

J. Gondzio, Continuation in Optimization: From interior point methods for large-scale optimization to Big Data optimization (plenary talk), Modeling and OPtimization: Theory and Applications (MOPTA) Conference, Lehigh University in Bethlehem, PA, USA, 17-19 August, 2016.

J. Gondzio, Preconditioning KKT Systems in Interior Point Methods (invited talk), ICCOPT, Tokyo, 8-11 August, 2016.

J. Gondzio, Interior point methods for linear, quadratic and semidefinite programming, PhD Course (6 lectures), NATCOR, Edinburgh University, June 13-17, 2016.

J. Gondzio, Network Design, Optimization and Linear Algebra (invited talk), Mathematical models and computational methods for complex networks, Pisa, 6-7 June, 2016.

J. Gondzio, Column Generation with the Primal-Dual Interior Point Method (invited talk), International Column Generation Workshop, Buzios, Brazil, 22-25 May, 2016.

J. Gondzio, Continuation in Optimization: From interior point methods for large-scale optimization to Big Data optimization (plenary talk), The 2nd Brazilian Workshop on Interior Point Methods (BWIPM), University of Campinas, Brazil, 17-18 May, 2016.

J. Gondzio, Preconditioners for inexaxct Newton method in big data optimization (plenary talk), SMAI-MODE Days 2016, Toulouse, France, 23-25 March, 2016.

J. Gondzio, Iterative solver for linear systems arising in interior point methods for semidefinite programming (invited talk), SIAM Conference on Applied Linear Algebra, Atlanta, USA, 26-30 October, 2015 (joint work with S. Bellavia and M. Porcelli).

J. Gondzio, Preconditioners for higher order methods in big data optimization, The 22nd International Symposium on Mathematical Programming, ISMP2015, Pittsburgh, PA, USA, 12-17 July 2015 (joint work with K. Fountoulakis).

J. Gondzio, Preconditioners for higher order methods in big data optimization, 26th Biennial Numerical Analysis Conference, Glasgow, June 2015 (joint work with K. Fountoulakis).

J. Gondzio, Preconditioners for higher order methods in big data optimization (plenary talk), High Performance Computing in Science and Engineering (HPCSE) Conference, Beskydy mountains, Czech Republic, May 25-28, 2015 (joint work with K. Fountoulakis).

J. Gondzio, Recent computational advances in solving very large stochastic programs, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Brazil, 4 May 2015.

J. Gondzio, Inexact search directions in interior point methods for very large-scale optimization (plenary talk), The 1st Brazilian Workshop on Interior Point Methods (BWIPM), University of Campinas, Brazil, 27-28 April, 2015.

J. Gondzio, Preconditioners for higher order methods in big data optimization, University of Sao Carlos, Brazil, Thu 23 April, 2015 (joint work with K. Fountoulakis).

J. Gondzio, Preconditioners for higher order methods in big data optimization, University of Florence, Italy, Fri 20 March, 2015 (joint work with K. Fountoulakis).

J. Gondzio, Preconditioners for higher order methods in signal reconstruction, University of Bologna, Italy, Fri 13 March, 2015 (joint work with I. Dassios, K. Fountoulakis and P. Zhlobich).

J. Gondzio, Preconditioners for higher order methods in signal reconstruction, Seminar of Numerical Analysis Group, Warsaw University, Warsaw, Poland, January 29, 2015 (joint work with I. Dassios, K. Fountoulakis and P. Zhlobich).

J. Gondzio, Interior point methods for very large scale optimization, PhD Course (16 lectures), Warsaw University of Technology, Warsaw, Part I: December 1-4, 2014, Part II: January 26-29, 2015.

J. Gondzio, Is good enough good enough? (OR56 Plenary Debate), OR56 Conference, September 9-11, 2014.

J. Gondzio, Preconditioners for higher order methods in signal reconstruction, IMA Conference on Numerical Linear Algebra and Optimization (NLAO), Birmingham, UK, September 3-5, 2014.

J. Gondzio, Parallel matrix computations in optimization (plenary talk), Workshop on Parallel Matrix Algorithms and Applications (PMAA'14), Lugano, Switzerland, July 2-4, 2014.

J. Gondzio, Inexact search directions and matrix-free second-order methods for optimization, Convex Optimization and Beyond, Edinburgh, UK, June 27, 2014.

J. Gondzio, Interior point methods for linear, quadratic and semidefinite programming, PhD Course (6 lectures), NATCOR, Edinburgh University, June 23-27, 2014.

J. Gondzio, Inexact search directions and matrix-free methods for large-scale optimization (plenary talk), London Optimization Workshop, London, UK, June 9-10, 2014.

J. Gondzio, Inexact second-order directions in large-scale optimization, SIAM Conference on Optimization, San Diego, USA, May 19-22, 2014.

J. Gondzio, The logarithmic barrier function and interior point methods for optimization, Napier 400 - Symposium, (a part of cellebration of the 400th anniversary of Napier's discovery/development of logarithms), ICMS, Edinburgh, April 2, 2014.

J. Gondzio, Inexact search directions and matrix-free methods for large-scale optimization, Mathematical Programming Seminar, Louvain-la-Neuve, Belgium, December 17, 2013.

J. Gondzio, Interior point methods for large-scale optimization, Applied Mathematics Research Centre Seminars, Faculty of Engineering and Computing, Coventry University, November 15, 2013.

J. Gondzio, Interior point methods for large-scale optimization: Opportunities in engineering applications, 1st UK Workshop on Optimisation in Space Engineering (European Space Agency), November 5-6, 2013.

J. Gondzio, Inexact search directions in very large-scale optimization, Section for Scientific Computing, Technical University of Denmark, Copenhagen, October 18, 2013.

J. Gondzio, TBA, Parallel Processing and Applied Mathematics (PPAM 2013), Warsaw, Poland, September 8-11, 2013.

J. Gondzio, Inexact search directions in very large-scale optimization, International Conference on Continuous Optimization (ICCOPT 2013), Lisbon, Portugal, July 29 - August 1, 2013.

J. Gondzio, Recent computational advances in solving very large stochastic programs (plenary talk), XIII International Conference on Stochastic Programming, Bergamo, Italy, July 8-12, 2013.

J. Gondzio, Inexact search directions and matrix-free methods for large-scale optimization (plenary talk), 11th EUROPT Workshop on Advances in Continuous Optimization, Florence, Italy, June 26-28, 2013.

J. Gondzio, Second Order Methods for L1-Regularization, Optimization and Big Data , Edinburgh, May 2, 2013.

J. Gondzio, Inexact search directions in interior point methods for large scale optimization (plenary talk), Probabilistic Numerics, Lake Tahoe, Nevada, USA, 8 December 2012. (A satelite Workshop of NIPS 2012.)
see the video lecture.

J. Gondzio, Preconditioners for iterative solvers in interior point methods for large-scale optimization (invited talk), ICME Linear Algebra & Optimization Seminar, Stanford University, Stanford, USA, 6 December 2012.

J. Gondzio, Interior point methods for large scale optimization, Mathematics Colloquium, School of Mathematics, Cardiff University, Cardiff, October 31, 2012.

J. Gondzio, Recent advances in the matrix-free interior point method for very large scale optimization, IMA Conference on Numerical Linear Algebra and Optimization (NLAO), Birmingham, UK, September 10-12, 2012.

J. Gondzio, Recent advances in the matrix-free interior point method, International Symposium on Mathematical Programming (ISMP), Berlin, Germany, August19-24, 2012.

J. Gondzio, Interior point methods for linear, quadratic and semidefinite programming, PhD Course (6 lectures), NATCOR, Brunel University, Uxbridge, June 28 - July 2, 2012.

J. Gondzio, Interior point methods and column generation, Column Generation 2012, Bromont, Quebec, Canada, June 10-13, 2012.

J. Gondzio, Matrix-free interior point method for large scale optimization, Advances in Large-Scale Optimization Workshop, Edinburgh, UK, May 24, 2012.

J. Gondzio, Matrix-free interior point method for large scale optimization, 3rd Conference on Optimization and Software (OMS), Chania, Grece, May 12-17, 2012.

J. Gondzio, Limited-memory matrix-free interior point method, International Conference on Applied Mathematical Optimization and Modeling (APMOD), Paderborn, Germany, March 28-30, 2012.

J. Gondzio, Matrix-free interior point method for large scale optimization, 2012 INFORMS Optimization Society Conference, Miami, USA, February 24-26, 2012.

J. Gondzio, Large scale optimization with interior point methods, OR/Statistics Seminar, Cardiff, February 8, 2012.

J. Gondzio, Limited-memory matrix-free interior point method, The Conference on Optimization and Practices in Industry (COPI'11), Paris, France, November 23-25, 2011.

J. Gondzio, GPU acceleration of the matrix-free interior point method, poster presentation, Parallel Processing and Applied Mathematics PPAM 2011, Torun, Poland, September 11-14, 2011.

J. Gondzio, Matrix-free interior point method for very large scale optimization, ICIAM 2011, Vancouver, Canada, July 18-22, 2011.

J. Gondzio, Preconditioners for matrix-free interior point method, SIAM Conference on Optimization, Darmstadt, Germany, May 16-19, 2011.

J. Gondzio, Interior Point Methods Can Warmstart, Dept. of Management Science, University of Strathclyde, Glasgow, November 5, 2010.

J. Gondzio, Computational Experience with Matrix-Free Interior Point Method for Very Large Scale Optimization, 2nd IMA Conference on Numerical Linear Algebra and Optimisation, Birmingham, UK, September 13-15, 2010.

J. Gondzio, Limited-Memory Matrix-Free Interior Point Method, ICCOPT, Santiago, Chile, July 26-29, 2010.

J. Gondzio, Interior Point Methods for Linear Programming (invited talk), NATCOR, Brunel University, Uxbridge, June 28-30, 2010.

J. Gondzio, Interior Point Methods Can Warmstart (invited lecture), The 2nd LANCS Workshop on Discrete and Nonlinear Optimisation, Southampton, March 24-26, 2010.

J. Gondzio, Interior Point Methods for Linear, Quadratic and Nonlinear Programs (invited lecture), Stochastic Programming School, Bergamo, Italy, November 23-28, 2009.

J. Gondzio, Interior Point Methods for Very Large Scale Optimization 25 Years Later, (invited lecture, celebrating 25 years of IPMs), INFORMS Annual Meeting, San Diego, USA, October 11-14, 2009.

J. Gondzio, Fast Preconditioner for Linear Systems Arising in Interior Point Methods, International Symposium on Mathematical Programming, Chicago, USA, August 23-28, 2009.

.pdf J. Gondzio, Using Interior Point Methods for optimization in training very large scale Support Vector Machines (invited talk), Numerical Mathematics in Machine Learning, ICML 2009 Workshop, Montreal, Canada, June 18, 2009. (joint work with Kristian Woodsend).
see the video lecture.

J. Gondzio, Modelling and Optimization Techniques for Stochastic Programming, PhD Course (24 lectures), University of Bergamo, Bergamo, Italy, May 25-29, 2009. (joint with Marco Colombo).

J. Gondzio, Inexact Constraint Preconditioners for Linear Systems Arising in Interior Point Methods (invited talk), Advances and Perspectives on Numerical Methods for Saddle Point Problems, Banff, Canada, April 12-17, 2009. (joint work with Luca Bergamaschi, Manolo Venturin, Giovanni Zilli).

J. Gondzio, From sparsity to block-sparsity: solving very large optimization problems with interior point methods (seminar), Manchester, UK, March 6, 2009. (joint work with Andreas Grothey).

J. Gondzio, Interior Point Methods for Linear, Quadratic and Nonlinear Programming, PhD Course (20 lectures), Politecnico di Torino, Turin, Italy, October 20-27, 2008.

J. Gondzio, Interior Point Methods for Linear Programming (invited talk), NATCOR, Brunel University, Uxbridge, June 17, 2008.

J. Gondzio, Preconditioning Techiniques in Optimization with Interior-Point Methods (seminar), Bologna, Italy, April 23, 2008. (joint work with Luca Bergamaschi, Manolo Venturin, Giovanni Zilli).

J. Gondzio, Solving Very Large Scale Optimization Problems with Interior-Point Methods (seminar), Florence, Italy, April 11, 2008. (joint work with Andreas Grothey).

J. Gondzio, A few thoughts about preconditioners for interior-point methods (seminar), Barcelona, March 20, 2008.

J. Gondzio, Exploiting block-sparsity in very large scale optimization with interior point methods (seminar), November 9, 2007, Reading, UK. (joint work with Andreas Grothey).

J. Gondzio, Parallel Solution Techniques in Very Large Scale Financial Planning Problems (invited talk), 2nd Workshop on Optimization in Finance , October 26-27, 2007, Coimbra, Portugal (joint work with Andreas Grothey).

.pdf J. Gondzio, Large Scale (Huge) Programming (semi-pleanary talk), 2nd MPS International Conference on Continuous Optimization, August 12-17, 2007, McMaster University, Hamilton, Canada (joint work with Andreas Grothey).

J. Gondzio, Preconditioning Techiniques in Optimization Problems (plenary talk), International Conference on Preconditioning Techniques , July 9-12, 2007, Toulouse, France.

J. Gondzio, Nonlinear Stochastic Programming, Spring School on Stochastic Programming , April 10-20, 2007, Bergamo, Italy.

J. Gondzio, From Sparsity to Block-Sparsity: Direct Solution of Linear Systems of Dimension 109, Stanford University, November 1, 2006 (joint work with Andreas Grothey).

J. Gondzio, From Sparsity to Block-Sparsity: Direct Solution of Linear Systems of Dimension 109, Computing Laboratory, Oxford University, 20 October, 2005 (joint work with Andreas Grothey).

J. Gondzio, Massively Parallel Implementation of Interior Point Methods for Very Large Scale Optimization (invited talk), 6th International Conference on Parallel Processing and Applied Mathematics (PPAM'2005), Poznan, Poland, 11-14 September, 2005 (joint work with Andreas Grothey).

.pdf J. Gondzio, Interior Point Methods: Why are they so efficient? (plenary talk), 21st Biennial Conference on Numerical Analysis, University of Dundee, Scotland, June 2005.

.pdf J. Gondzio, Practical Aspects of Large Scale Interior-Point Methods (plenary talk), 8th SIAM Conference on Optimization, Stockholm, Sweden, May 2005.

J. Gondzio, Theory and Implementation of Interior Point Methods, PhD Course (18 lectures), Universitat Politecnica de Catalunya (UPC), Barcelona, Spain, March 30 - April 8, 2005.

J. Gondzio, Parallel Solution Techniques in Very Large Scale Financial Planning Problems (invited talk), Judge Business School, Cambridge University, 18 March, 2005 (joint work with Andreas Grothey).

J. Gondzio, Parallel Interior Point Solver for Very Large Scale Nonlinear Optimization (invited talk), 40th Workshop on Large Scale Nonlinear Optimization, Erice, Italy, June 2004 (joint work with Andreas Grothey).

J. Gondzio, Parallel Interior Point Solver for Very Large Scale Optimization (invited talk), Multiscale Optimization Methods and Applications, University of Florida, Gainesville, USA, February 2004 (joint work with Andreas Grothey).

J. Gondzio, Interior Point Methods: The Future of Optimization (plenary talk), 11th Conference on Optimization, Han-sur-Lesse, Belgium, February 2004.

.pdf J. Gondzio, Linear Algebra Techniques in Interior Point Methods for Optimization (plenary talk), 20th Biennial Conference on Numerical Analysis, University of Dundee, Scotland, June 2003.

.pdf J. Gondzio, Hamiltonian Cycle Problem, Markov Decision Processes and Interior Point Methods (invited talk), McMaster Optimization Workshop, McMaster University, Hamilton, Canada, May 2002. (joint work with Vladimir Ejov and Jerzy Filar from the University of South Australia).

.pdf J. Gondzio, Decomposition with IPMs: Applications in Asset Liability Modeling (invited talk), University of Padova, Italy, April 2002.

.pdf J. Gondzio, Numerical Techniques in Interior Point Methods for Optimization (plenary talk), Workshop on Numerical Methods for Evolutionary Problems, Peschici, Italy, September 2001.

.pdf J. Gondzio, Parallel Structure-Exploiting Interior-Point Solver, International Symposium on Mathematical Programming, Georgia Tech, Atlanta, USA, August 2000. (joint work with Andreas Grothey and Robert Sarkissian).

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