Recent Papers, and Additional conference reports:
"Higher dimensional Pick-type theorems", (with Krzysztof Kolodziejczyk)
[write for a preprint]
"Two Examples for The First and Last Days of Linear Algebra"
. . . Math Notes from Wash. State Univ., vol 41, no.1 (Feb. 1998) pp.1-4
"2-Homothets, Fixed Points, and Complete Lattices", (with Vic Klee)
. . . Math. Notes from Wash. State Univ. vol 39, no.1 (1996) pp.1-4
"Interiors of Uniform Size In Steinitz's Theorem" (with Tudor Zamfirescu)
. . . Proc. 1985 Salzburg Conf. on Discrete Geom., U. Salzburg Press, pp.
319-328
"Components of Intersected Unions of Convex Sets"
. . . Proc. Calgary Conf. on Combinatorics (1969) pp.349-350
"Projections of Positive Bases", Proc.1968 Clemson Conf on Projections
pp.1-9