The University of Lethbridge is proud to award Dr. Dave Witte Morris the Ingrid Speaker Medal for Distinguished Research, Scholarship, or Performance.

Morris will receive his award at the Fall Convocation ceremony, which takes place Oct. 16, 2010.

A world-class mathematician, Morris is the Canadian authority on two complex areas of mathematics.

Morris works in lie groups and graph theory, two important and difficult areas of mathematics. Of particular note are Morris's new, greatly simplified proofs of Ratner's Theory and his work related to the Superrigidity Theorem.

Overall, Morris's work has about 200 citations in Math Sci Net, an impressive achievement, and several of his results have been described by his colleagues as "profound contributions."

Morris has written about 70 research articles and three books. His articles have appeared in elite journals like the American Journal of Mathematics, International Mathematics Research Notices, and Inventiones Mathematicae.

His book, Ratner's Theorems on Unipotent Flows, was published as part of the prestigious Chicago Lectures in Mathematics Series, and this widely-cited reference work will likely become a classic of its type.

Another of his books, Introduction to Arithmetic Groups, has become the standard text in the field.

Morris's tremendous breadth of knowledge, deep technical work, and creativity and insight are an inspiration to his colleagues and students.