I have given over 60 talks, most of which were invited, by which I mean I received a formal invitation with travel support. I give some representative titles below.

- ``Analysis with Computer Algebra'', Workshop on Symbolic Computation at CRM, Montréal, Sept 20--27, 1997. This workshop was part of the Theme Year on Statistics.
- ``The reordered Schur factorization for zero-dimensional
systems of multivariate polynomial systems with multiple roots''
- The University of Cantabria, Santander, Spain, June 1997.
- Department of Computer Science, The University of Waterloo, March 14, 1997

- ``Cofactor Iteration", SNAP '96, Sophia-Antipolis, France, July 15--17, 1996.
- ``Birkhoff-type Wake Oscillators in Flow-Induced Vibration Models'', 16th Canadian Applied Mathematics Society Meeting, May 31--June 2, Winnipeg.
- ``The Dynamics of the Lambert
**W**Function.''- Dynamical Systems Day, University of Waterloo, December 3, 1996.
- Departmental Retreat, Mathematics Dept. ETH Zürich, Valbella, Switzerland, July 25, 1996.
- 50th Anniversary Meeting of the Canadian Mathematics Society, Experimental Mathematics Session, Simon Fraser University Harbour Centre Campus Dec 9--11, 1995.
- Workshop on nonlinear dynamical systems and symbolic computation, RIACA, Amsterdam, June, 1995.

- ``Symbolic Computation and Numerical Analysis'', 1st Spanish Computer Algebra Meeting, The University of Cantabria, Santander, Spain, Sept. 1995.
- ``On the Lambert
**W**Function''- Department of Mathematics, Trent University, Fall 1997.
- Mathematical Sciences Seminar, The University of Cantabria, Santander, Spain, June 1997.
- Computer Science Department, University of Toronto, Dec 9, 1996.
- Aeronautics Institute at the Warsaw University of Technology, July 1995.
- Mathematics Dept., The University of Northern British Columbia, April 1995.
- IBM T. J. Watson Research Center, May 1994.

- ``Lambert's
**W**Function: Diverse Applications and a Singular Implementation,'' East Coast Computer Algebra Day, Drexel University, Philadelphia, May 1994. - ``Continued Fractions: The Royal Road to Chaos''
- Fractal Friday, Simon Fraser University, March 1995
- Fractals and Chaos, Fields Institute Workshop, February 1995

- ``What Good are Numerical Simulations of Chaotic Dynamical
Systems?'' (four-lecture series)
- NASA Ames, January 1995.
- Penn State, workshop on Chaos and Statistics, July 1994.
- International Summer School ``Let's Face Chaos through Nonlinear Dynamics'', University of Ljubljana, Ljubljana, Slovenia, Sept. 1993.

- ``Symbolic Computation in Nonlinear Dynamics'', International
Summer School ``Let's Face Chaos through Nonlinear Dynamics'',
University of Ljubljana, Ljubljana, Slovenia, Sept. 1993.
- ``Error Backward'', 2nd International Conference on Chaos and Numerics, Geelong, Australia, July 1993.
- ``An Experimental Interval Arithmetic Package in Maple'', Symbolic Computation Group, University of Waterloo, February 1993.
- ``Bifurcation in a Flow-Induced Vibration Model'', Fields
Institute Workshop on Normal Forms and Homoclinic Chaos, Waterloo,
Nov. 1992.

Fri Jan 9 10:52:31 EST 1998