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College of Arts and Sciences

Daniel Halpern-Leistner

Assistant Professor

Department and Program Affiliations: 

Academic focus:
Algebraic geometry, which studies systems of polynomial equations in many variables. There is a beautiful and deep connection between algebraic properties of a system of equations, and geometric properties of the shape defined as the set of solutions of the equations.

Current research project:
The "beyond geometric invariant theory" program. One of the oldest questions in algebraic geometry is the problem of moduli, which asks how the geometric properties of a shape change as one varies parameters in the equations which define that shape. My research focuses on incorporating modern methods to develop a new approach to moduli problems.

Previous positions: 
NSF Post Doc / Ritt assistant professor, Mathematics Department, Columbia University, 2013-2017
Member in Mathematics, Institute for Advanced Study at Princeton, 2014-2015

Academic background: 
Ph.D., Mathematics, University of California, Berkeley, 2013
A.B., Mathematics, Princeton University, 2007

Last book read:
“Sometimes a Great Notion,” by Ken Kesey

In your own time/when not working:
Swimming, hiking, and playing table tennis

Courses you’re most looking forward to teaching:
Topics in algebraic geometry

What most excites you about Cornell:
I am looking forward to working with brilliant students and colleagues, and enjoying the great outdoors.

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