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Legendrian knots & Cluster algebras

Algebraic Geometry and Number Theory

Speaker: Roger Casals
Location: 1147 MSB
Start time: Wed, Mar 9 2022, 11:00AM

The talk will focus on studying Legendrian knots in the standard 3-dimensional contact Darboux ball, with an emphasis on the moduli space of Lagrangian fillings. First, I will discuss some of the algebraic geometric techniques that we currently use to understand Legendrian knots and their Lagrangian fillings. Then, we will motivate the notion of a cluster algebra through the lens of algebraic geometry and present one of the new results in this area: the existence of cluster algebras associated to a large class of Legendrian knots, including all positive braids. This is joint work with D. Weng.