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David Freund is a Senior Lecturer in the Department of Mathematics at Cornell University, with a focus on topology. He earned his Ph.D. in 2018 from Dartmouth College. His academic interests lie primarily in low-dimensional topology, where he explores algebraic invariants of knots, three-manifolds, loops, and surfaces. Recently, his projects have centered on flat virtual knot theory and the combinatorial models of curves and surfaces. Freund is also dedicated to enhancing student engagement in mathematical learning, developing course materials that enrich the educational experience through curiosity-driven activities. He has published work on topics such as virtual multistring theory and the minimization of intersection points in curves, contributing significantly to the field of knot theory. In his teaching, he aims to facilitate active learning in mathematics through innovative methods.
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