Tuesday, February 19, 2013

1302.4134 (Sergey Mozgovoy)

Invariants of moduli spaces of stable sheaves on ruled surfaces    [PDF]

Sergey Mozgovoy
We compute Betti numbers of the moduli spaces of arbitrary rank stable sheaves on ruled surfaces. Our result generalizes the formula of Goettsche for rank one sheaves and the formula of Yoshioka for rank two sheaves. It also confirms the conjecture of Manschot for arbitrary rank sheaves on the Hirzebruch surfaces.
View original: http://arxiv.org/abs/1302.4134

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