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arxiv: 0902.4581 · v3 · submitted 2009-02-26 · 🧮 math.SG · math.DG

Antiperfection of Yang-Mills Morse theory over a nonorientable surface

classification 🧮 math.SG math.DG
keywords antiperfectionconjecturemorsenonorientablesurfacetheoryyang-millsauthor
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We use Morse theory of the Yang-Mills functional to compute the Betti numbers of the moduli stack of flat U(3)-bundles over a compact nonorientable surface. Our result establishes the antiperfection conjecture of Ho-Liu, and provides evidence for the equivariant formality conjecture of the author.

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