Research interests: graph theory, graph embeddings, combinatorics, theoretical computer science
B.S. (Honors Mathematics) University of Michigan, 1972
Ph.D. (Mathematics) University of Michigan, 1979
Academic Work History:
University of Michigan, Department of Mathematics, Teaching Fellow, 1972-1978.
Miami University, Department of Mathematics
Assistant Professor, 1978 - 1982.
Associate Professor, 1982 - 1988.
Full Professor, 1988 - present.
University of Texas - Dallas, Visiting Professor, Dept. of Computer Science, Fall 1985.
University of California, Berkeley - Visiting Scholar,
Dept. of Electrical Engineering and Computer Science, and
participant at the Mathematical Sciences Research Institute (at Berkeley) year
of concentration in complexity theory, Spring 1986.