Seminars & Colloquia Calendar

Algebra Seminar

Conformal blocks attached to twisted groups

Chiara Damiolini -- Rutgers University

Location:  Hill 425
Date & time: Wednesday, 11 April 2018 at 2:00PM - 3:00PM

Abstract:  Let G be a simple and simply connected algebraic group over $$\Bbb C$$. We can attach to G the sheaf of conformal blocks: a vector bundle on $M_g$ whose fibres are identified with global sections of a certain line bundle on the stack of G-torsors. We generalize the construction of conformal blocks to the case in which G is a twisted group over a curve which can be defined in terms of covering data. In this case the associated conformal blocks define a sheaf on a Hurwitz space and have properties analogous to the classical case.

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