Classification of Algebraic Varieties: Algebraic Geometry Conference on Classification of Algebraic Varieties, May 22-30, 1992, University of L'Aquila, L'Aquila, Italy

Multivariable Operator Theory: A Joint Summer Research Conference on Multivariable Operator Theory, July 10-18, 1993, University of Washington, Seattle

Recent Developments in the Inverse Galois Problem: A Joint Summer Research Conference on Recent Developments in the Inverse Galois Problem, July 17-23, 1993, University of Washington, Seattle

$SL(2)$ Representations of Finitely Presented Groups

Homotopy Theory and Its Applications: A Conference on Algebraic Topology in Honor of Samuel Gitler, August 9-13, 1993, Cocoyoc, Mexico