The covering map from the upper half plane to the plane minus a triangular lattice

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• Billy Woods and Polly Brownlee
• Monday 01 August 2011, 16:30-17:30
• MR11.

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Summer student seminars.

This map must exist since the plane minus a lattice is definitely a Riemann surface, and definitely not covered by the plane or by the sphere. Figuring out what it is suggests curious relations between objects of number theoretic interests and constructs of representations of sl_3.

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