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Seminar

Grad Student Seminar: The affine Grassmannian II October 17, 2014 (01:30 PM PDT - 02:30 PM PDT)
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Location: SLMath: Eisenbud Auditorium
Speaker(s) Justin Hilburn (Perimeter Institute of Theoretical Physics)
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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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