Presented By: Department of Mathematics
Topology
Circle Packings on Surfaces with Complex Projective Structures
The classical circle packing theorem of Koebe, Andreev, and Thurston says that given a triangulation $\tau$ of a closed, orientable surface, there is a unique constant curvature Riemannian metric on the surface so that the surface with this metric admits a circle packing with dual graph $\tau$. Kojima, Mizushima, and Tan give a definition of a circle packing on surfaces with complex projective structures. Unlike in the metric case, there is a deformation space of complex projective circle packings with combinatorics given by $\tau$. They conjecture that this space is homeomorphic to Teichm\"{u}ller space. I'll present progress towards this conjecture for certain classes of triangulations. Speaker(s): Ellie Dannenberg (University of Illinois at Chicago)
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