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Conference on
Preconditioning methods for optimal control and constrained optimization problems
PMOCCO'2002




Supported by MRI, NWO, KNAW, and NLAA (John Wiley & Sons, Inc.)


To be held at the University of Nijmegen, B-faculty, Toernooiveld, Nijmegen, The Netherlands

October 23, 2002

08.30 - 09.00 Registration
09.00 - 09.15 Opening, Prof.dr. Jozef Steenbrink, Scientific director, Mathematical Research Institute, Nijmegen
09.15 - 10.05 Yuri Kuznetsov (Houston), Preconditioned iterative methods for algebraic saddle-point problems
10.05 - 10.30 Break
Chairman: Yuri Kuznetsov
10.30 - 11.20 Dietrich Braess (Bochum), A cascade multigrid method for saddle point problems
11.20 - 12.10 Gisbert Stoyan (Budapest), Crouzeix-Velte decomposition and applications
12.10 - 12.50 V. Garanzha (Moscow), Quasi-isometric flattening and construction of globally optimal grids
12.50 - 14.00 Lunch
Chairman: Dietrich Braess
14.00 - 14.40 Valery P. Il'in (Novosibirsk), On the complex simulation of technological processes in aluminium electrolysers
15.50 - 16.20 Break
14.40 - 17.20 Minisymposium, Section A
14.40 - 17.20 Minisymposium, Section B
17.30 - 18.30 Reception


Section A: Minisymposium on multilevel and related problems
Chairman: Ben Polman
14.40 - 15.20 Kees Vuik (Delft), Preconditioned Krylov methods for incompressible flow problems
15.20 - 15.50 C.W. Oosterlee (Delft), An efficient multigrid solver based on distributive smoothing for poroelasticity equations
15.50 - 16.20 Break
16.20 - 16.50 Arie de Niet (Groningen), Fill reduction in multilevel ILU methods
16.50 - 17.20 Reinhard Nabben (Bielefeld), Algebraic multilevel iteration and Schwarz methods


Section B: Minisymposium on singularly perturbed problems
Chairman: Piet Hemker
14.40 - 15.20 Grisha I.Shishkin (Ekaterinburg), On conditioning of a Schwarz iterative method on overlapping subdomains for singularly perturbed-convection-diffusion equations
15.20 - 15.50 Piet Hemker (Amsterdam), Multigrid for discontinuous Galerkin discretization
15.50 - 16.20 Break
16.20 - 16.50 Lida P. Shishkina (Ekaterinburg), Novel defect-correction high-order, in space and time, accurate schemes for parabolic singularly perturbed convection-diffusion problems
16.50 - 17.20 Yuri Laevsky (Novosibirsk), On extrapolation in perturbed mixed variational problems


October 24, 2002

Chairman: Valery Il'in
09.00 - 09.50 Ekkehard W. Sachs (Trier), An indefinite preconditioner for KKT systems arising in optimal control problems
09.50 - 10.40 Milija Zupanski (Fort Collins), Preconditioning methods for optimal control problems: Applications to Meteorology and Oceanography
10.40 - 11.00 Break
Chairman: Ekkehard Sachs
11.00 - 11.50 Ronald Hoppe (Augsburg), Primal-dual Newton interior point methods in shape and topology optimization
11.50 - 12.40 Ladislav Luksan (Prague), Indefinite preconditioners in nonlinear programming
12.40 - 14.00 Lunch
Chairman: Gisbert Stoyan
14.00 - 14.50 Sabine Van Huffel (Leuven), Total least squares and error-in-variables modeling: Bridging the gap between statistics, computational mathematics and engineering
14.50 - 17.40 Minisymposium, Section A
14.50 - 17.40 Minisymposium, Section B
Section A: Minisymposium on total least squares (and additional topics)
Chairwoman: Sabine van Huffel
14.50 - 15.20 Diana Sima (Leuven), Regularized total least squares using quadratic eigenvalue problems
15.20 - 15.50 Mieke Schuermans (Leuven), Hankel weighted low rank approximation
15.50 - 16.10 Break
16.10 - 16.40 Ivan Markovsky (Leuven), Convergence of a computational algorithm for EW-TLS estimator
16.40 - 17.10 Takashi Nodera (Keio University), Use of modified MR preconditioners for solving shifted linear systems
17.10 - 17.40 Pekka Neittaanmäki (Jyväskylä), Application of multicriterion optimization to some optimal control problems


Section B: Minisymposium on stiff problems
Chairman: Georgij Kobelkov
15.50 - 16.20 Wolfram Mühlhuber (Linz), SQP methods for parameter identification
16.20 - 16.50 Igor Kaporin (Moscow), Parallel nonlinear solver for large-scale geometrical optimization problems
15.50 - 16.10 Break
16.10 - 16.40 Kirill Yu. Bogachev (Moscow), Effective algorithms for solving stiff anisotropic elliptic problems with a big parameter
16.40 - 17.10 Evgeny Glushkov (Krasnodar), On a computer implementation of the local Green's function method for 2D convection-diffusion problems
17.10 - 17.40 Lahcen Laayouni (McGill University, Montreal), On robustness of multilevel preconditioning iterative methods for anisotropic problems
19.00 - 21.30 Conference dinner


October 25, 2002

Chairman: Ronald Hoppe
09.00 - 09.50 Miloslav Feistauer (Prague), On the discontinuous Galerkin methods for problems of fluid dynamics
09.50 - 10.40 Ya-Xiang Yuan (Beijing), Linear systems associated with numerical methods for constrained optimization
10.40 - 11.10 Break
Chairman: A.V. Fyrsikov
11.10 - 12.00 Andy Wathen (Oxford), Preconditioning methods for incompressible flow
12.00 - 12.30 G. Lube (Göttingen), Finite element calculation of incompressible flows using LBB-stable elements and SUPG-stabilization
12.30 - 13.40 Lunch
Chairman: Milija Zupanski
13.40 - 14.30 Zdenek Dostal (Ostrava), Optimal penalty-FETI method for variational inequalities
14.30 - 15.20 Andrei V. Fyrsikov (Moscow), Stabilization of Navier-Stokes equations by feedback control from boundary: solvability and justification of numerical simulation
15.20 - 15.40 Break
  Minisymposium on constrained optimization problems in fluid flow and elasticity
Chairman: Andy Wathen
15.40 - 16.10 Maya Neytcheva (Uppsala), Preconditioning methods for constrained optimization problems with applications for the linear elasticity equations
16.10 - 16.40 Gerhard Starke (Hannover), Block diagonal preconditioning for mixed finite element discretizations of linear elasticity
16.40 - 17.10 Janos Karátson (Budapest), Separate displacement preconditioners for nonlinear elasticity systems



Ben Polman
2002-10-02