Education
University of Washington. Purdue University; University of British Columbia.
University of Washington. Purdue University; University of British Columbia.
His areas of research are algebraic geometry, Lie theory, transformation groups and differential geometry. He obtained his Doctor of Philosophy at the University of Washington (Seattle) under the supervision of Allendoefer. He proved theorems in Schubert calculus about singularities of Schubert varieties.
The Carrell–Liebermann theorem on the zero set of a holomorphic vector field is used in complex algebraic geometry.
He is a fellow of the American Mathematical Society.
American Mathematical Society.