A list of my travels and talks:

• The 4th International Conference on Scientific Computing and Partial Differential Equations, Hong Kong, 5.-9.12.2011
  The title of talk: A Hybrid Discontinuous Galerkin Method with Plane Waves for Helmholtz Problems and a Domain Decomposition Method
• Workshop on Wave Propagation and Scattering, Inverse Problems and Applications in Energy and the Environment, Linz, Austria, 21.-25.11.2011
  The title of talk: Domain Decomposition and Multigrid Preconditioners for the Helmholtz equation in Layered and Heterogeneous Media
• ESF Waves Workshop 2011, Würzburg, Germany, 26.-28.9.2011
  The title of talk: A Hybrid Discontinuous Galerkin Method with Plane Waves for Helmholtz Problems and a Domain Decomposition Method
• Waves 2011, The 10th International Conference on Mathematical and Numerical Aspects of Waves, Vancouver, Canada, 25.-29.7.2011
  The title of talk: A Hybrid Discontinuous Galerkin Method with Plane Waves for Helmholtz Problems and a Domain Decomposition Method
• ECCOMAS Thematic Conference on Computational Analysis and Optimization, University of Jyväskylä, Jyväskylä, Finland, 9.-11.6.2011
  The title of talk: A Domain Decomposition Method for a Hybrid Discontinuous Galerkin Method for Scattering in Fluids and Solids
• AMS 2011 Spring Western Section Meeting, Special Session on Computational and Mathematical Finance, Las Vegas, NV, U.S.A., 30.4.-1.5.2011
  The title of talk: An Iterative Method for Pricing American Options under Jump-Diffusion Models
• Quantitative Methods in Financial and Insurance Mathematics, Lorentz Center, Leiden, The Netherlands, 18.-21.4.2011
• 2010 SIAM Conference on Financial Mathematics & Engineering, San Francisco, CA, U.S.A., 19.-20.11.2010
  The title of talk: A Projected Algebraic Multigrid Method for Pricing American Options
• Visit in Department of Mathematics, University of Houston, Houston, TX, U.S.A., 22.-23.10.2010
  The title of talk: Efficient Numerical Methods for Time-Harmonic Acoustic Wave Propagation
• EMG 2010 - The 10th European Multigrid Conference, Ischia, Italy, 19.-23.9.2010
  The title of talk: A Projected AMG for Linear Complementarity Problems
• ECCM 2010 - The Fourth European Conference on Computational Mechanics, Paris, France, 16.-21.5.2010
  The title of talk: Domain Decomposition Method for a Discontinuous Galerkin Method for Scattering in Fluids and Solids
• Visit in Department of Mathematics, Hong Kong Baptist University, Hong Kong, 12.-17.4.2010
  The title of talk: Efficient Numerical Solution of Acoustic Scattering Problems in Layered Media
• Visit in Center of Mathematical Modeling and Scientific Computing (CMMSC), National Chiao Tung University, Hsinchu, Taiwan, 15.12.2009
• 2009 SIAM Conference on Applied Linear Algebra, Monterey, CA, U.S.A., 26.-29.10.2009
  The title of talk: An AMG Preconditioner Based on Damped Operators for Time-harmonic Wave Equations
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 8.-11.9.2009
• The 20th International Symposium on Mathematical Programming, Chicago, IL, U.S.A., 23.-28.8.2009
  The title of talk: Valuation of Options and Calibration under Finite Activity Jump-Diffusion Models
• 2009 SIAM Annual Meeting, Denver, CO, U.S.A., 6.-10.7.2009
  The title of talk: Pricing American Options under a Stochastic Volatility Model with Jumps
• Enumath 2009, The 8th European Conference on Numerical Mathematics and Advanced Applications, Uppsala, Sweden, 29.6.-3.7.2009
  The title of talk: Pricing American Options under the Bates Model
• Waves 2009, The 9th International Conference on Mathematical and Numerical Aspects of Waves, Pau, France, 15.-19.6.2009
  The title of talk: A Domain Decomposition Method for Helmholtz Problems Discretized using the Discontinuous Enrichment Method
  
• MAFELAP 2009 Conference - The Mathematics of Finite Elements and Applications, Uxbridge, U.K., 9.-12.6.2009
  The title of talk: The Discontinuous Enrichment Method for the Helmholtz Equation
  
• 2009 Bay Area Scientific Computing Day, Berkeley, CA, U.S.A., 9.5.2009
• The 14th Copper Mountain Conference on Multigrid Methods, Copper Mountain, CO, U.S.A., 22.-27.3.2009
  The title of talk: An AMG Preconditioner Based on Damped Operators for Time-harmonic Wave Equations
  
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 23.-27.2.2009
• Department of Mathematical Sciences, Stevens Institute of Technology, Hoboken, NJ, U.S.A., 24.2.2009
  The title of talk: Pricing Options under Jump-diffusion and Stochastic Volatility Models
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 17.-26.11.2008
• 2008 SIAM Conference on Financial Mathematics & Engineering, New Brunswick, NJ, U.S.A., 21.-22.11.2008
  The title of talk: Pricing Options under Stochastic Volatility Models
• Nonstandard Finite Element Methods Workshop, Mathematisches Forschungsinstitut Oberwolfach, Oberwolfach, Germany, 10.-16.8.2008
  The title of talk: Plane Wave Discretizations of the Helmholtz Equation with Lagrange Multipliers and a Domain Decomposition Method for Resulting Systems
• 2008 SIAM Annual Meeting, San Diego, CA, U.S.A., 7.-11.7.2008
  The title of talk: Numerical Valuation of American Options as Free Boundary Problems
  
• International Conference on Numerical Methods for Finance, Dublin, Ireland, 4.-6.6.2008
  The title of talk: Numerical Valuation of American Options as Free Boundary Problems
  
• The Tenth Copper Mountain Conference on Iterative Methods, Copper Mountain, CO, U.S.A., 6.-11.4.2008
  The title of talk: A Domain Decomposition Method for Discontinuous Galerkin Discretizations of Helmholtz Problems with Lagrange Multipliers
  
• 2008 Bay Area Scientific Computing Day, Berkeley, CA, U.S.A., 29.3.2008
• Waves and Imaging Workshop, Statistical and Applied Mathematical Sciences Institute, Research Triangle Park, NC, U.S.A., 31.1.-1.2.2008
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 28.1.-1.2.2008
• The 18th International Conference on Domain Decomposition Methods, Jerusalem, Israel, 13.-18.1.2008
  The title of talk: A Domain Decomposition Method for Discontinuous Galerkin Discretizations of Helmholtz Problems with Lagrange Multipliers
  
• Visit in Department of Mathematical Sciences, University of Tokyo, Tokyo, Japan, 10.-14.12.2007
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 5.-16.11.2007
• AMS 2007 Fall Southeastern Meeting, Special Session on Financial Mathematics, Murfreesboro, TN, U.S.A., 3.-4.11.2007
  The title of talk: Fast Numerical Valuation of European and American Options under Kou's Jump-Diffusion Model
• Workshop High-order Methods for Computational Wave Propagation and Scattering, American Institute of Mathematics, Palo Alto, CA, U.S.A., 10.-14.9.2007
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 27.-31.8.2007
• Computational Methods in Finance Conference, University of Waterloo, Waterloo Ontario, Canada, 26.-27.7.2007
  The title of talk: Fast Numerical Valuation of European and American Options under Kou's Jump Diffusion Model
• The 8th International Conference on Mathematical and Numerical Aspects of Waves, Reading, U.K., 23.-27.7.2007
  The title of talk: A Domain Decomposition Method for a Class of Discontinuous Galerkin Discretizations of Helmholtz Problems
• The 6th International Congress on Industrial and Applied Mathematics, Zürich, Switzerland, 16.-20.7.2007
  The title of talk: Numerical Valuation of Options under Kou's Model
• 2007 International Conference on Preconditioning Techniques for Large Sparse Matrix Problems in Scientific and Industrial Applications, Meteopole, Toulouse, France, 9.-12.7.2007
  The title of talk: An Efficient Domain Decomposition Preconditioner for Time-harmonic Acoustic Scattering in Multi-layered Media
• Conference on Scientific Computing in Simulation, Optimization and Control and its Multidisciplinary Applications, University of Jyväskylä, Jyväskylä, Finland, 14.-16.6.2007
  The title of talk: Operator Splitting Methods for Pricing American Options under Stochastic Volatility
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 21.-25.5.2007
• Stanford 50 Conference, Stanford University, Stanford, CA, U.S.A., 29.-31.3.2007
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 12.-16.2.2007
• Visit in The Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC, U.S.A., 13.-17.11.2006
• Linear Algebra and Optimization Seminar, Institute for Computational and Mathematical Engineering, Stanford University, Stanford, CA, U.S.A., 8.11.2006
  The title of talk: The Partial Solution Variant of Cyclic Reduction and Applications
• Department of Information Technology, Uppsala University, Uppsala, Sweden, 27.-29.9.2006
  The title of talk: Efficient Numerical Solution of Acoustic Scattering Problems in Layered Media
  
• The 4th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'06), Rennes, France, 7.-9.9.2006
  The title of talk: A Parallel Partial Solution Variant of Cyclic Reduction and Applications
  
• ECCOMAS CFD 2006 - European Conference on Computational Fluid Dynamics, Egmond aan Zee, The Netherlands, 5.-9.9.2006
  The title of talk: Efficient Domain Decomposition Method for Acoustic Scattering in Multi-Layered Media
  
• The 7th World Congress on Computational Mechanics, Los Angeles, CA, U.S.A., 16.-22.7.2006
  The title of talk: A Fast Iterative Solver for Scattering by Elastic Objects in Layered Media
  
• SIAM Conference on Financial Mathematics and Engineering, Boston, MA, U.S.A., 9.-12.7.2006
  The title of talk: Numerical Valuation of European and American Options with Kou's Jump-Diffusion Model
  
• The 17th International Conference on Domain Decomposition Methods, St. Wolfgang/Strobl, Austria, 3.-7.7.2006
  The title of talk: Domain Decomposition Preconditioners for Acoustic Scattering in Layered Media
  
• Institute for Mathematics and Scientific Computing, University of Graz, Graz, Austria, 28.-30.6.2006
  The title of talk: Pricing American Options
  
• ECCM 2006 - The Third European Conference on Computational Mechanics, Lisbon, Portugal, 5.-9.6.2006
  The title of talk: Efficient Iterative Solution of Time-harmonic Scattering by Objects in Layered Fluid
  
• Institute for Computational and Mathematical Engineering, Stanford University, Stanford, CA, U.S.A., 1.6.2006
• Naval Surface Warfare Center, Panama City, FL, U.S.A., 25.4.2006
  
• The Ninth Copper Mountain Conference on Iterative Methods, Copper Mountain, CO, U.S.A., 2.-7.4.2006
  The title of talk: A Fast Iterative Solver for Acoustic Scattering by Objects in Layered Media
  Some pictures from Copper Mountain.
• SCOMA Seminar on Optimal Control, Optimization and Game Theory, Jyväskylä, Finland, 6.3.2006
  The title of talk: Feedback Control for HIV Medications
• Amamef Conference on Numerical Methods in Finance, Inria-Rocquencourt, France, 1.-3.2.2006
  The title of talk: Numerical Valuation of European and American Options with Kou's Jump-Diffusion Model
• Visit in Jacques-Louis Lions Laboratory, University of Paris VI, Paris, France, 30.-31.1.2006
  The title of talk: Numerical Methods for Pricing American Options
• School of Mathematics, Georgia Institute of Technology, Atlanta, GA, U.S.A., 19.1.2006
  The title of talk: Efficient Numerical Methods for Time-Harmonic Scattering Problems and Applications
• Department of Mathematics, University of Pittsburgh, Pittsburgh, PA, U.S.A., 12.1.2006
  The title of talk: Efficient Numerical Methods for Time-Harmonic Scattering Problems and Applications
• Institute for Computational and Mathematical Engineering, Stanford University, Stanford, CA, U.S.A., 12.-13.12.2005
• AFFRST Seminar: Numerical Analysis and Scientific Computing for PDEs and their Challenging Applications, Helsinki, Finland, 6.-7.10.2005
  The title of talk: Multigrid Methods for Pricing American Options under Stochastic Volatility
• The First International SCOMA Seminar, Jyväskylä, Finland, 3.-5.10.2005
  The title of talk: Finite Element Solution of Large-scale Time-harmonic Acoustic Scattering Problems
• EMG 2005 Conference, The Hague, The Netherlands, 27.-30.9.2005
  The title of talk: Multigrid Methods for Pricing American Options under Stochastic Volatility
• Naval Surface Warfare Center, Panama City, FL, U.S.A., 26.8.2005
  
• The 8th U.S. National Congress on Computational Mechanics, Austin, TX, U.S.A., 25.-27.7.2005
  The title of talk: Time-harmonic Solutions of Wave Equation via Controllability and Fictitous Domain Methods
  Some pictures from Texas.
• The Sixth SIAM Conference on Control and its Applications, New Orleans, LA, U.S.A., 11.-14.7.2005
  The title of talk: An SDRE Based Estimator Approach for HIV Feedback Control
• Waves 2005 Conference, Providence, RI, U.S.A., 20.-24.6.2005
  The title of talk: A Domain Decomposition Method for Time-harmonic Acoustic Scattering by Elastic Objects in Sediment
• Preconditioning 2005 Conference, Atlanta, GA, U.S.A., 19.-21.5.2005
  The title of talk: Domain Decomposition Preconditioners for Scattering by Objects in Layered Media
• Optimal Control of Coupled Systems of PDE Workshop, Mathematisches Forschungsinstitut Oberwolfach, Oberwolfach, Germany, 19.-22.4.2005
  
• Office of Naval Research, Washington, DC, U.S.A., 18.4.2005
  The title of talk: Efficient Numerical Solution of Time-harmonic Acoustic Scattering in Layered Media
• The Twelfth Copper Mountain Conference on Multigrid Methods, Copper Mountain, CO, U.S.A., 3.-8.4.2005
  The title of talk: Multigrid Methods for Pricing American Options under Stochastic Volatility
  Some pictures from Copper Mountain.
• Department of Mathematics and Statistics, Wichita State University, Wichita, KS, U.S.A., 10.2.2005
  The title of talk: Fictitious Domain Methods for Scattering Problems and Applications
• Department of Mathematics, Wayne State University, Detroit, MI, U.S.A., 7.2.2005
  The title of talk: Efficient Numerical Methods for Time-Harmonic Scattering Problems and Applications
• Department of Mathematics, Drexel University, Philadelphia, PA, U.S.A., 3.2.2005
  The title of talk: Efficient Numerical Methods for Time-Harmonic Scattering Problems and Applications
• Department of Mathematical Sciences, University of Delaware, Newark, DE, U.S.A., 27.1.2005
  The title of talk: Efficient Numerical Methods for Time-Harmonic Scattering Problems and Applications
• The 16th International Conference on Domain Decomposition Methods, Courant Institute, New York, NY, U.S.A., 12.-15.1.2005
  The title of talk: Fictitious Domain Methods for Acoustic Scattering by Objects in Sediment
• Naval Surface Warfare Center, Panama City, FL, U.S.A., 8.10.2004
  The title of talk: Finite Element Method for Acoustic Scattering
• Numerical Analysis Seminar, Department of Mathematics, North Carolina State University, Raleigh, NC, U.S.A., 21.9.2004
  The title of talk: Fictitious Domain Methods for Scattering Problems and Applications
• Visit in University of Houston, Department of Mathematics, Houston, TX, U.S.A., 1.9.2002-30.6.2003
  The title of talk: Fictitious Domain Methods for Linear Elasticity and Stokes Problems
  Some pictures from Texas.
• The Eleventh Copper Mountain Conference on Multigrid Methods, Copper Mountain, CO, U.S.A., 30.3.-4.4.2003
  The title of talk: Solution of Non-Equilibrium Radiation Diffusion Problems Using Multigrid
  Some pictures from Copper Mountain.
• Texas Finite Element Rodeo, Houston, TX, U.S.A., 28.2.-1.3.2003
  The title of talk: Efficient Iterative Solution of High Frequency Scattering Problems
• Visit in Los Alamos National Laboratory, T-7 Group, Los Alamos, NM, U.S.A., 28.5.-16.8.2002
• Finite Element Methods: Fifty Years of Conjugate Gradients, Jyväskylä, Finland, 11.-12.6.2002
  The title of talk: Efficient Iterative Solution of High Frequency Scattering Problems
• Visit in University of Houston, Department of Mathematics, Houston, TX, U.S.A., 1.10.2001-13.5.2002
  Some pictures from Texas.
• Latsis 2002 Symposium, Iterative Solvers for Large Linear Systems, Zürich, Switzerland, 18.-21.2.2002
  The title of talk: Matrix Polynomial Approximations for a Schur Complement Matrix
• The 14th International Conference on Domain Decomposition Methods, Cocoyoc, Morelos, Mexico, 6.-11.1.2002
  The title of talk: Fictitious Domain Methods for Linear Elasticity and Stokes Problems
• EUROGEN 2001 - Evolutionary Methods for Design, Optimisation and Control with Applications to Industrial Problems, Athens, Greece, 19.-21.9.2001
  The title of talk: Multiobjective Paper Machine Headbox Shape Optimization
• Enumath 2001, the European conference on Numerical Mathematics and Advanced Applications, Ischia Porto, Italy, 23.-28.7.2001
  The title of talk: Preconditioners for Boundary Lagrange Multipliers
• First M.I.T. Conference on Computational Fluid and Solid Mechanics, M.I.T., Cambridge, MA, U.S.A., 12.-15.6.2001
  The title of talk: A Fictitious Domain Methods for Linear Elasticity Problems
  Some pictures from Boston.
• Visit in Los Alamos National Laboratory, T-7 Group, Los Alamos, NM, U.S.A., 4.-8.6.2001
  The title of talk: Efficient Iterative Solution of High Frequency Acoustic Scattering Problems
  Some pictures from New Mexico.
• 2001 International Conference on Preconditioning Techniques for Large Sparse Matrix Problems in Industrial Applications, Tahoe City, CA, U.S.A., 29.4.-1.5.2001
  The title of poster: Preconditioning by Fast Direct Solvers with Applications
  Some pictures from Lake Tahoe.
• Visit in University of Houston, Department of Mathematics, Houston, TX, U.S.A., 11.-27.4.2001
  Some pictures from Texas.
• The Tenth Copper Mountain Conference on Multigrid Methods, Copper Mountain, CO, U.S.A., 1.-6.4.2001
  The title of talk: Multilevel Preconditioners for Boundary Lagrange Multipliers
  Some pictures from Copper Mountain.
• Ingenet workshop, CEANI, Las Palmas, Gran Canaria, Spain, 14.-15.12.2000
  Some pictures from Gran Canaria.
• Visit in the Center for the Development of Parallel Scientific Computing, University Claude Bernard Lyon I, Lyon, France, 16.-20.10.2000
  Some pictures from Lyon.
• The 13th International Conference on Domain Decomposition Methods, Lyon, France, 9.-12.10.2000
  The title of talk: Matrix Polynomial Approximations for a Schur Complement Matrix
• Visit in the Laboratory of Numerical Analysis, University of Paris VI, Paris, France, 5.-6.10.2000
  Some pictures from Paris.
• Visit in Technical University of Ostrava, Department of Applied Mathematics, Ostrava, Czech Republic, 19.-22.9.2000
  The title of talk: Efficient Fictitious Domain Solvers for Problems with Lagrange Multipliers Enforcing Dirichlet Boundary Conditions and Divergence Constraints
  Some pictures from Ostrava.
• ECCOMAS 2000, Barcelona, Spain, 11.-14.9.2000
  The title of talk: Evolutionary Shape Optimization in CFD with Industrial Applications
  Some pictures from Barcelona.
• The Fifth International Conference on Mathematical and Numerical Aspects of Wave Propagation, Santiago de Compostela, Spain, 10.-14.7.2000
  The title of talk: Efficient Iterative Solution of High Frequency Acoustic Scattering Problems
  Some pictures from Santiago de Compostela.
• Visit in Russian Academy of Sciences, Institute of Numerical Mathematics, Moscow, Russia, 13.-16.6.2000
  Some pictures from Moscow.
• Visit in University of Houston, Department of Mathematics, Houston, TX, U.S.A., 15.-19.5.2000
  Some pictures from Texas.
• Visit in Texas Institute for Computational and Applied Mathematics (TICAM), University of Texas at Austin, Austin, TX, U.S.A., 8.-12.5.2000
  Some pictures from Texas.
• Finite Elements in Flow Problems 2000, Austin, TX, U.S.A., 30.4.-4.5.2000
  The title of talk: Solution of Generalized Stokes Problem Using Fictitious Domain Methods with Application to Time-dependent Navier-Stokes Equations
  Some pictures from Texas.
• Ingenet workshop, CIRA, Capua, Italy, 27.-28.1.2000
  Some pictures from Naples.
• The 12th International Conference on Domain Decomposition Methods, Chiba, Japan, 25.-29.10.1999
  The title of the first talk: A Fictitious Domain Method with Distributed Lagrange Multipliers for Mixed Boundary Value Problems
  The title of the second talk: A Moving Mesh Fictitious Domain Approach for Shape Optimization Problems
  Some pictures from Japan.
• Ingenet workshop, INRIA, Sophia Antipolis, France, 3.-4.12.1998
  Some pictures from Nice.
• PDE Prague '98, Prague, Czech Republic, 10.-15.8.1998
  The title of talk: A Moving Mesh Fictitious Domain Approach for Shape Optimization Problems
  Visit in Charles University, Department of Methal Physics, Prague, Czech Republic, 14.8.1998
  Some pictures from Prague.
• The 11th International Conference on Domain Decomposition Methods, Greenwich, U.K., 20.-24.7.1998
  The title of talk: A Fictitious Domain Method for Elasticity Problems
  Some pictures from London.
• Visit in Russian Academy of Sciences, Institute of Numerical Mathematics, Moscow, Russia, 10.-11.6.1998
  Some pictures from Moscow.
• The Fourth International Conference on Mathematical and Numerical Aspects of Wave Propagation, Golden, CO, U.S.A., 1.-5.6.1998
  Some pictures from Colorado.
• Visit in University of Augsburg, Department of Applied Mathematics, Augsburg, Germany, 6.-7.10.1997
  The title of talk: A Parallel Fast Direct Elliptic Solver with Some Applications
  Some pictures from Germany.
• ENUMATH 97, The Second European Conference on Numerical Mathematics and Advanced Applications, Heidelberg, Germany, 29.9.-3.10.1997
  The title of talk: A Parallel Fictitious Domain Method for the Helmholtz Equation
  Some pictures from Germany.
• Visit in Russian Academy of Sciences, Institute of Numerical Mathematics, Moscow, Russia, 4.-7.8.1997
  Some pictures from Moscow.
• IMPC'97 Czech-U.S. Workshop on Iterative Methods and Parallel Computing, Milovy, Czech Republic, 16.-21.6.1997
  The title of talk: A Parallel Fictitious Domain Method for Elliptic Neumann Boundary Value Problems
  Some pictures from Milovy.
• Visit in University of Houston, Department of Mathematics, Houston, TX, U.S.A., 19.-20.3.1997
  Some pictures from Texas.
• The Eighth SIAM Conference on Parallel Processing for Scientific Computing, Minneapolis, MN, U.S.A., 14.-17.3.1997
  The title of talk: A Parallel Fast Direct Solver for the Discrete Solution of Separable Elliptic Equations
  Some pictures from Minneapolis.
• ECCOMAS 96 Conference, Paris, France, 9.-13.9.1996
  The title of talk: Multidisciplinary Shape Optimization in Aerodynamics and Electromagnetics using Genetic Algorithms
  Some pictures from Paris and the travel account in finnish.
• The Second Nordic Workshop on Genetic Algorithms, Vaasa, Finland, 21.8.1996
  The title of talk: Pareto Genetic Solution for Multiobjective MDO in Aerospace Engineering
• Visit in Russian Academy of Sciences, Institute of Numerical Mathematics, Moscow, Russia, 1.-4.7.1996
  Some pictures from Moscow.
• The Ninth International Conference on Domain Decomposition Methods, Bergen, Norway, 3.-8.6.1996
  The title of talk: Fictitious Domain Method for Full Potential Flows
  Some pictures from Bergen and the travel account in finnish.
• ENUMATH 95, The First European Conference on Numerical Mathematics and Advanced Applications, Paris, France, 18.-22.9.1995
  The title of talk: Coupled Fictitious Domain and Domain Decomposition Method for the Helmholtz Equation
  Some pictures from Paris.
• Parallel CFD'95 Conference, Pasadena, U.S.A., 26.-28.6.1995
  The title of talk: Shape Optimization in 2D Aerodynamics Using Genetic Algorithms on Parallel Computers
  Some pictures around Los Angeles.
• Visit in INRIA, Rocquencourt, France, 27.4.1995
  Some pictures from Paris.
• Visit in Dassault Aviation, Saint Cloud, France, 24.-26.4.1995
  The title of talk: Fictitious Domain Approach for Optimal Shape Design
  Some pictures from Paris.
• Workshop on Approximations and Numerical Methods for the Solution of the Maxwell Equations, Oxford, United Kingdom, 23.-24.3.1995
  The title of talk: Numerical Experiments Using Coupled Fictitious Domain and Domain Decomposition Method for 2D Helmholtz Equation
  Some pictures from London.
• The First Nordic Workshop on Genetic Algorithms and Their Applications, Vaasa, Finland, 9.-12.1.1995
  The title of talk: The Reconstruction of an Airfoil in 2D Potential Flow Using a Genetic Algorithm on a Parallel Computer
• Visit in CERFACS, Toulouse, France, 5.-6.5.1994
  Some pictures from Toulouse.
• Visit in Dassault Aviation, Saint Cloud, France, 2.-3.5.1994
  The title of talk: Fictitious Domain Approach for Optimal Shape Design
  Some pictures from Paris.
• Optimum Design Methods in Aerodynamics, Brussels, Belgium, 25.-29.4.1994
  Some pictures from Brussels.
• Tenth French-Italian-Russian Symposium on Numerical Mathematics, Moscow, Russia, 5.-8.7.1993
  Some pictures from Moscow.