University of Arizona mathematics professor to describe role of mathematics in climate research St. Thomas Newsroom April 6, 2010 How confident are we about predictions of climate change?That’s the question posed in the next Center for Applied Center for Applied Mathematics Colloquium at 4:30 p.m. Wednesday, April 7, in 3M Auditorium of Owens Science Hall.Dr. Juan RestrepoDr. Juan Restrepo, an associate professor of mathematics at the University of Arizona, will describe the role played by mathematics in climate research and will discuss how mathematics plays a central role in answering this question. He will explain why it is difficult to pin down uncertainties in climate variability and highlight some of the mathematical tools being developed by the Uncertainty Quantification Group and others.Restrepo, who has a Ph.D. in physics from Penn State, is the group leader of the Uncertainty Quantification Group at Arizona, where he also has appointments in Physics and Atmospheric Sciences departments. His work focuses on geophysical fluid dynamics as well as in estimation theory.He grew up in New York and in Bogota, the son of a painter and a pianist/TV producer. He also studied music at New York University and worked as a professional musician.