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Michael Finkelberg

  1. Affine Gindikin-Karpelevich formula via Uhlenbeck spaces.

    Чт, 12/31/2009 - 16:01 — SomNambul
    Authors: Alexander Braverman, Michael Finkelberg, David Kazhdan
    Subjects: Representation Theory
    Abstract

    We prove a version of the Gindikin-Karpelevich formula for untwisted affine
    Kac-Moody groups over a local field of positive characteristic.

  2. Pursuing the double affine Grassmannian II: Convolution.

    Втр, 08/25/2009 - 22:41 — SomNambul
    Authors: Alexander Braverman, Michael Finkelberg
    Subjects: Algebraic Geometry
    Abstract

    This is the second paper of a series (started by arXiv:0711.2083) which
    describes a conjectural analog of the affine Grassmannian for affine Kac-Moody
    groups (also known as the double affine Grassmannian). The current paper is
    dedicated to describing a conjectural analog of the convolution diagram for the
    double affine Grassmannian. In the case when G=SL(n) our conjectures can be
    derived from arXiv:0809.2605.

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