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Leslie Saper
Professor of Mathematics

When one deals with varieties defined by polynomials with coefficients in the rationals, or more generally some finite extension, this theory takes on number theoretic significance. Important examples of such varieties are the locally symmetric varieties. One may reduce the defining equations modulo a prime and count the number of resulting solutions; all this data is wrapped up into a complex analytic function, the Hasse-Weil zeta function. This should be viewed as an object on the topological side of the above picture. On the analytic side, Langlands has associated L-functions to certain automorphic representations. The issue of whether one may express the Hasse-Weil zeta function in terms of automorphic L-functions, and the relation of special values of these functions to number theory, are important fundamental problems which are motivating Professor Saper's research.

### Office Hours

### Current Appointments & Affiliations

- Professor of Mathematics, Mathematics, Trinity College of Arts & Sciences 2005
- Director of Undergraduate Studies in the Department of Mathematics, Mathematics, Trinity College of Arts & Sciences 2015

### Contact Information

- 120 Science Dr, Room 110 Physics Building, Durham, NC 27708-0320
- Box 90320, Dept. Of Mathematics, Durham, NC 27708-0320
- saper@math.duke.edu (919) 660-2843
- https://www.math.duke.edu/faculty/saper

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