Moduli of ADHM Sheaves and Local Donaldson-Thomas Theory

Details Moduli of ADHM Sheaves and Local Donaldson-Thomas Theory Moduli of ADHM Sheaves and Local Donaldson-Thomas Theory

2008-01-05

arxiv.org/abs/0801.0820v3

J. Geom. Phys. 62 (2012) 763

Mathematics

Algebraic Geometry

61 pages AMS Latex; v2: minor corrections, reference added; v3: some proofs corrected using the GIT construction of the moduli

Scientific paper

The ADHM construction establishes a one-to-one correspondence between framed torsion free sheaves on the projective plane and stable framed representations of a quiver with relations in the category of complex vector spaces. This paper studies the geometry of moduli spaces of representations of the same quiver with relations in the abelian category of coherent sheaves on a smooth complex projective curve $X$. In particular it is proven that this moduli space is virtually smooth and related byrelative Beilinson spectral sequence to the curve counting construction via stable pairs of Pandharipande and Thomas. This yields a new conjectural construction for the local Donaldson-Thomas theory of curves as well as a natural higher rank generalization.

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