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The Canonical Ring of a Stacky Curve

Event Category:
Valley Geometry Seminar
David Zureick-Brown
Amherst College

We give a generalization to stacks of the classical theorem of Petri - i.e., we give a presentation for the canonical ring of a stacky curve. This is motivated by the following application: we give explicit presentations of various rings of modular forms. This is joint work with John Voight.

Friday, April 12, 2024 - 4:00pm
LGRT 1681

Refreshments at 3:45PM.