Traveling Activities

1999

• University of Warsaw, Department of Applied Mathematics and Mechanics, Group of Numerical Analysis and Technical University of Warsaw, Department of Mathematics, September 20 - 22, 1999. Two seminars on "LAWRA - Linear Algebra with Recursive Algorithms".
• Conference on Parallel Processing and Applied Mathematics, Kazimierz Dolny, Poland, September 14 - 17, 1999. Invited speaker on "LAWRA - Linear Algebra with Recursive Algorithms".
• Euro-Par'99, Conference on Parallel Computing, Toulouse, France, 31 August - 3 September 1999. Speaker on "Experience with a Recursive Perturbation Based Algorithm for Symmetric Indefinite Linear Systems".
• Conference on Mathematical Modelling and Applications, Vilnius, Lithuania, 3-4 June 1999. Invited speaker for two lectures: 1) on "Recursive Formulation of Some Dense Linear Algebra Algorithms" and 2) on "High Performance Linear Algebra Package LAPACK'90".
• EPOS (Efficient Parallel Algorithms for Optimization and Simulation) Annual Meeting, Svostrup, Denmark, April 16 - 18, 1999. Invited speaker on "LAWRA (Linear Algebra with Recursive Algorithms)".
• The University of Tennessee at Knoxville, Department of Computer Science, The Innovative Computing Laboratory, Knoxville, Tennessee, USA, March 25, 1999. Host professor Jack Dongarra. Seminar March 25, 1999 on "Recursive Formulation of Some Dense Linear Algebra Algorithms". Meetings with Susan Blackford, Antoine Petitet and others.
• Ninth SIAM Conference on Parallel Processing for Scientific Computing, Adam's Mark San Antonio-Riverwalk Hotel, San Antonio, Texas, March 22-24, 1999. Speaking March 24, 1999 on "Recursive Formulation of Some Dense Linear Algebra Algorithms".
• University of Warsaw, Department of Applied Mathematics and Mechanics, Group of Numerical Analysis, Warsaw, Poland, 7 - 9 January, 1999. Host professor Krzysztof Moszynski. Seminar, Oct 7 on ``LAPACK'90, NetSolve and Recursion in Numerical Linear Algebra''. Professor Maximilian Dryja attended the seminar.
• The Polish Academy of Sciences, The Institute of Mathematics, Group of Numerical Analysis, Warsaw, Poland, January 6, 1999. Host professor Andrzej Wakulicz. Seminar on ``LAPACK'90, NetSolve and Recursion in Numerical Linear Algebra''. There was a group from the Technical University of Warsaw, Department of Computational Mathematics and Physics with Dr. A. Smoktunowicz.
• University of Wroclaw, Department of Computer Science, Group of Numerical Analysis, Wroclaw, Poland, 3 - 6 January, 1999. Host professor Krystyna Zietak. Seminar, Oct 5 on ``LAPACK'90, NetSolve and Recursion in Numerical Linear Algebra''. Professor Schultz from the University of Poznan attended the seminar. Dr. Keller put several important questions on NetSolve.

1998

• IBM T.J. Watson Research Center, Yorktown Height, USA, 12 October 1998. Discussing with Fred Gustavson on ``Recursive Formulation of Symmetric and Indefinite Matrix Factorization with Bunch-Kaufman Pivoting''.
• Department of Computer Science and Statistics, University of Southern Mississippi, Hattiesburg, MS 3940, USA, 9 October 1998. Visiting professor Marcin Paprzycki. Spiking (seminar) on ``Recursive Formulation of some Dense Linear Algebra Algorithms''. Discussing on passable collaboration, PhD projects. I met also professors Wallace Pye (Chairman of Mathematics) and Joseph Kolibal.
• Modeling and Simulation Based Engineering Conference, Atlanta, Georgia, USA, 8 October 1998. Speaking on ``High Performance Linear Algebra Package, LAPACK90''.
• Numerical Algorithms Group LTD. (NAG), Oxford, 14 July 1998. Meeting Jack Dongarra, Sven Hammarling, Stefano Salvini, Jeremy Du Croz, Brian Ford, Ian Hounam, Ian Hounam and Zohair Maany. Discussing LAPACK'90, Netsolve and others.
• Parallel Computing Conference, Oxford, England, 13 July, 1998. Speaking on ``High Performance Linear Algebra Package, LAPACK90''. Several very useful discussions with different people.
• Workshop on Applied Parallel Computing (PARA'98), University of Umeå, Umeå, Sweden, 11 - 17 June 1998. Speaking on ``High Performance Linear Algebra Package, LAPACK90'', Group-chairman. Discussing with Fred Gustavson, Bo Kågström, Jack Dongarra, Erik Elmroth and others on ``Recursive Formulation of some Dense Linear Algebra Algorithms''.
• BLAS Technical Forum, Minneapolis, Minnesota, USA, 26-29 April 1998. Discussing and voting on different level of Basic Linear Algebra Subprograms. Also discussing with Jack Dongarra, Sven Hammarling and Susan Blackford on LAPACK'95 Users' Guide. Meeting with Claus Bendtsen and Kim Petersen (SGI).
• Digital Computer Corporation, Boston, Massachusetts, 22 - 24 April 1998. Speaking (seminar) on ``LAPACK90, the FORTRAN 90 and HPF interfaces for LAPACK and ScaLAPACK'', also discussing with Susanne Balle and others on possible Digital/UNIC collaboration. I met Palle Peterson in Boston.
• IBM T.J. Watson Research Center, Yorktown Height, USA, 18 - 21 April 1998. Discussing with Fred Gustavson on ``Recursive Formulation of some Dense Linear Algebra Algorithms'', Gauss LU, Matrix matrix multiplication, Matrix transposition and others algorithms.
• Computer Science Department, Tennessee University, Knoxville, Tennessee, USA, 10 - 17 April 1998. Speaking on ``Recursive Formulation of some Dense Linear Algebra Algorithms''. Talking with Jack Dongarra, Susan Blackford, Henri Casanova, Clint Whaley and others.
• Parallel and Distributed Processing, 10 IPPS/SPPD'98 Workshops, Orlando, Florida, USA, 30 March - 3 April 1998. Speaking on ``High Performance Linear Algebra Package, LAPACK90''. I had several very useful discussions, for example with professor Zima from Vienna on HPF, and so on. I met professor Janusz Zalewski from the Computer Science Department, University of Orlando. We were discussing on possible collaboration on NetSolve.

1997

• Numerical Algorithms Group Ltd., Oxford, England. Visiting Sven Hammarling, Jeremy Du Croz, Stefano Salvini and Zohair Maany. Giving a seminar on ``High Performance Linear Algebra Package - LAPACK90, Technical Details''. July 2, 1997.
• Dundee Numerical Analysis Conference. University of Dundee, Dundee, Scotland. Speaking on ``High Performance Linear Algebra Package - LAPACK90'', June 23-27, 1997.
• Visiting Sean McKee, Department of Mathematics, University of Strathclyde, Glasgow, Scotland. Scientific Party, June 21, 1997.
• Visiting Jack Dongarra in the University of Tennessee, Knoxville, Tennessee, USA. Working on LAPACK90. March 18 - May 6, 1997.
• Eighth SIAM Conference on Parallel Computing for Scientific Computing, Minneapolis, USA. Speaking on ``A Further Proposal of a Fortran 90 Interface for LAPACK'', March 14-17, 1997.
• The European Project "PHAROS" meeting. Reviewer. Sophia Antipolis, France. January 14, 1997.

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