Unrefereed Conferences

1. Clock versus Vacation Schedules (with Yoni Levy), Operations Research Society of America May 1985.
2. Recursive Categoricity of Highly Recursive Rooted Graphs (with D. Mount and D. Kueker) Nineteenth Southeastern International Conference on Combinatorics, Graph Theory, and Computing Baton Rouge, February 1988 Also in Congressus Numerantium, Vol. 69, pp. 97-102, 1989.
3. Comparisons Between Complexity-Theoretic and Recursion-Theoretic Graph Theory (with R. Beigel and Mike Lockwood) Third Carbondale Combinatorics Conference October 1988.
4. The Mapmaker's Dilemma (with R. Beigel) Capital City Conference on Combinatorics and Theoretical Computer Science, George Washington Univ. (In Washington DC), May 1989.
5. Recursion Theoretic Models of Learning: Some Results and Intuitions, (with C. Smith) International Symposium on Artificial Intelligence and Mathematics, Ft. Lauderdale, Florida, January 1990.
6. Recursive Edge Colorings of Recursive Graphs (with Gary Benson and Terry Grant), Twenty-First Southeastern International Conference on Combinatorics, Graph Theory, and Computing Boca Raton, Florida, February 1990
7. A Survey of Recursive Combinatorics, A Symposium in Honor of Anil Nerode's Sixtieth Birthday, Cornell, June 1992
8. Reverse mathematics and recursive graph theory, (with Jeff Hirst), Annual meeting of the Association of Symbolic Logic, March 1994.
9. Implementing Weak Second Order Theory of Natural Numbers via Finite Automata (with James Glenn), Workshop on Implementing Automata, August 1996.
10. Implementing WS1S via Finite Automata: Performance Issues. (with James Glenn), Workshop on Implementing Automata, September 1997.
11. On the order of Queries (with Richard Beigel, Richard Chang, Jacob Lurie, and Timothy McNicoll) AMS meeting, October 1997.
12. Finding the same number twice. (with Alexander Chan and Clyde Kruskal). Thirtieth Southeastern International Conference on Combinatorics, Graph Theory, and Computing Boca Raton, Florida, February 1999
13. The search for an honest man. (with Adam Bargteil). Thirtieth Southeastern International Conference on Combinatorics, Graph Theory, and Computing Boca Raton, Florida, February 1999
14. Nonconstructive is BETTER for sorting. (with Evan Golub and Clyde Kruskal). Thirtieth Southeastern International Conference on Combinatorics, Graph Theory, and Computing Boca Raton, Florida, February 1999
15. Knights and Knormals (with Adam Bartgeil). Thirty first Southeastern International Conference on Combinatorics, Graph Theory, and Computing Boca Raton, Florida, March 2000.
16. Constructive techniques in Ramsey Theory (with Kevin Kane). Thirty first Southeastern International Conference on Combinatorics, Graph Theory, and Computing Boca Raton, Florida, March 2000.
17. Interesting Colorings of the Plane (with Clyde Kruskal). Thirty first Southeastern International Conference on Combinatorics, Graph Theory, and Computing Boca Raton, Florida, March 2000.
18. Squares in a square: an online problem (with Andris Ambainis). Thirty first Southeastern International Conference on Combinatorics, Graph Theory, and Computing Boca Raton, Florida, March 2000.