1990

1. Jan 19th ``Minimal CUSCOS and applications to Lipschitz functions,'' AMS Winter Meetings, Louisville.

2. Jan 22nd ``Pi, Euler, Ramanujan, and MAPLE'', APICS Lecture, Mount St Vincent University.

3. Jan 26th ``Pi, Euler, Ramanujan, and MAPLE'', APICS Lecture, Mount Allison University.

4. March 15th ``Pi, Euler, Ramanujan, and MAPLE'', APICS Lecture, University College of Cape Breton.

5. March 16th ``The history of the computation of PI'', APICS Lecture, University of Prince Edward Island.

6. March 23rd ``Pi, Euler, Ramanujan, and MAPLE'', APICS Lecture, Acadia University.

7. March 24th ``The history of the computation of PI'', APICS Lecture, St. Francis Xavier University.

8. March 31st ``The history of the computation of PI'', APICS Lecture, Memorial University.

9. April 5th ``The history of the computation of PI'', APICS Lecture, Université de Moncton.

10. April 6th ``Pi, Euler, Ramanujan, and MAPLE'', APICS Lecture, University of New Brunswick.

11. April 20th ``Ekeland's theorem and the smooth variational principle,'' Conference on Topological Methods, Brock University.

12. April 21st ``Differentiability properties of convex, Lipschitz and semicontinuous functions,'' Ontario Math Meetings #88, Brock University.

13. May 15th ``Differentiability properties of Lipschitz functions,'' Nonlinear Analysis Seminar #1, Technion Israel.

14. May 21st "Differentiability properties of lower semicontinuous functions,'' Nonlinear Analysis Seminar #2, Technion Israel.

15. May 24th ``A survey of differentiability properties of convex, Lipschitz and semicontinuous functions,'' Seminar, Technion Israel.

16. May 25th ``Minimal CUSCOS and applications to Lipschitz functions,'' Nonlinear Analysis Seminar #3, Technion Israel.

17. May 28th ``A survey of differentiability properties of convex, Lipschitz and semicontinuous functions,'' Seminar, Ben Gurion University, Israel.

18. June 15th ``Pi, Euler, Ramanujan, and MAPLE,'' Seminar, Technion Israel.

19. August 22nd ``Convex programming approaches to moment, curve, and signal estimation,'' Miniconference on Optimization Theory, Dalhousie.

20. November 21st "Convex programming and the choice of entropy in spectral estimation,'' Seminar, Dept of Combinatorics and Optimization, Waterloo.

21. December 6th ``Greek mathematics and the story of the circle,'' Junior High presentation, Dalhousie.