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arXiv · 1606.01517

Differential geometry of moduli spaces of quiver bundles

Indranil Biswas·Georg Schumacher
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Abstract

Let P be a parabolic subgroup of a simple affine algebraic group G defined over C and X a compact connected Kähler manifold. L. Álvarez-Cónsul and O. García-Prada associated to these a quiver Q and representations of Q into holomorphic vector bundles on X. Our aim here is to investigate the differential geometric properties of the moduli spaces representations of Q into vector bundles on X. In particular, we construct a Hermitian form on these moduli spaces. A fiber integral formula is proved for this Hermitian form; this fiber integral formula implies that the Hermitian form is Kähler. We compute the curvature of this Kähler form. Under an assumption which says that X is a complex projective manifold, this Kähler form is realized as the curvature of a certain determinant line bundle equipped with a Quillen metric.

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BibTeXRIS

Indranil Biswas, Georg Schumacher. 2016-11-21. Differential geometry of moduli spaces of quiver bundles. https://doi.org/10.1016/j.geomphys.2016.11.013

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