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Chris Leininger, a National Science Foundation fellow at Columbia University, will speak on “Equivalent Curves in Surfaces” 4:10-5 p.m. today in Pardee Hall room 217.

Free and open to the public, the talk is part of the Lafayette-Lehigh Geometry and Topology Seminar.

Leininger earned a bachelor’s degree in mathematics at Ball State University in 1997 and completed his doctorate in mathematics at University of Texas at Austin under the supervision of Alan W. Reid last May. He began an NSF postdoctoral fellowship at Columbia University in September with sponsor Walter D. Neumann.

Leininger has published his research in the journals Algebraic & Geometric Topology, Topology and its Applications, and Topology. His research interests include three-dimensional geometry and topology, specifically hyperbolic geometry, and knot theory.

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