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Grad Student Seminar: The affine Grassmannian October 10, 2014 (02:00 PM PDT - 03:00 PM PDT)
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Location: MSRI: Simons Auditorium
Speaker(s) Justin Hilburn (University of Pennsylvania)
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We define G-bundles for any connected reductive group and explain why GL_n-bundles are the same as vector bundles. Other examples are SL_n and Sp_{2n}. We explain Tannakian formalism, define the local and global versions of the affine Grassmannian for G, and sketch how to prove that it is an ind-projective ind-scheme of ind-finite type.

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