Invited Talks

1. Cornell University, Computer Science Department, October 1987, talk entitled ``Robot Motion Planning and Real Geometry''
2. Carnegie-Mellon University, Robotics Institute, November 1987, same title as above.
3. Rensselaer Polytechnic Institute, Computer Science Department, November 1987, same title as above.
4. Workshop on Computer Algebra and Geometry, Belairs Institute (McGill University), Barbados, Feb 1988, ``Multivariate Resultants''.
5. Regional meeting of the AMS in Las Cruces, NM, invited talk on ``Robotics and Real Geometry'', March 1988.
6. Duke University, Durham, North Carolina, talk entitled ``Robot Motion Planning and Real Geometry'', October 1988.
7. Rice University, Houston, Texas, same title as above, October 1988.
8. Tsinghua University, Beijing, and South-Central Technical University, Changsha, PRC, series of lectures on ``Robot Motion Planning'', May 1989.
9. Universitat Polytecnica di Catalunya, Barcelona, Spain, lectures on ``Fine motion planning'' and ``Finding shortest paths in configuration space'', June 1989.
10. DIMACS workshop on algebraic algorithms, talk on ``A purely symbolic quantifier elimination scheme'', May 1990.
11. 60th Birthday conference for S. Abhyankar, talk on ``Elimination using symmetric functions'', June 1990.
12. Workshop on Symbolic and Algebraic methods in vision and robotics, Albany, New York, talk on ``Resultants and efficient elimination using symmetric functions'', August 1990.
13. ``Robotics research at UC Berkeley'', presented at the University of Padua, Italy, June 1991
14. ``Roadmaps of General Semi-Algebraic Sets'', workshop on real algebraic geometry, La Turballe, France, June 1991
15. ``An Efficient Method for Avoiding Degeneracies in Geometric and Algebraic Algorithms'', INRIA, Sophia Antipolis, France, July 1991
16. ``Non-Holonomic Planning in the Presence of Obstacles'', workshop on non-holonomic planning, LAAS, Toulouse, France, July 1991
17. ``Weak Degeneracy Conditions for Counting the Exact Number of Roots of a Polynomial System'', workshop on computational convexity theory, MSI, Cornell University, July 1991.
18. ``RISC Robotics'', Stanford Computer Science Dept. Colloquium, April 1992.
19. Series of 4 invited lectures on ``Applications of real geometry in robotics'' at the Regional Geometry Institute, Amherst, MA, July 92
20. ``Sparse elimination algorithms'', Cornell workshop on Real Algebraic Geometry, August 92
21. ``Algebraic Methods for Robotics and Vision'', Computer Science Colloquium, Cornell University, September 92.
22. Series of 4 lectures on ``Practical algebraic algorithms for robotics and vision'', workshop on Real Analytic and Algebraic Geometry, Trento, Italy, Sept 92
23. 2 lectures on ``Robotics'', University of Pisa, Oct 92
24. 2 lectures on ``Sparse elimination theory'', Scuola Normale Superiore di Pisa, Nov 92
25. ``RISC Robotics'', tutorial on geometric algorithms in manufacturing, IEEE Robotics Conf., Atlanta, May 93
26. ``Some Practical Tools for Alegbraic Geometry'', ESPRIT PROMOTION workshop (Robot Motion Planning), Rodez, France, March 1993.
27. ``A Toolkit for Non-linear Algebra'', ESPRIT PoSSo workshop (polynomial systems solving), Nice, France, September 1993.