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BunG and Higgs Bundles - Moduli Stacks and Geometric Langlands - Talk 4

BunG Seminar via YouTube

Overview

Explore an advanced mathematics seminar talk that delves into moduli stacks and their relationship with Bun_G and Higgs bundles. Begin with a comprehensive examination of moduli stacks that parametrize objects of categories and understand how Bun_G fits within this framework. Learn about the fundamental concepts of tangent, cotangent, and inertia stacks of a stack X, and discover their interpretations as vector bundle stacks. Examine the detailed description of tangent/cotangent stacks of moduli stacks, leading to the important isomorphism between the cotangent stack of Bun_G and Higgs bundles. Gain insights into the concrete geometry of Higgs bundles, with particular emphasis on the 'global nilpotent cone' and its significance in Geometric Langlands theory.

Syllabus

UChicago BunG Seminar. Talk IV. Victor Ginzburg: BunG and Higgs Bundles.

Taught by

BunG Seminar

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