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A Moment Map for the Space of Maps to a Balanced Manifold

Differential Geometry 2023-11-02 v1 Algebraic Geometry Complex Variables

Abstract

Given a complex balanced manifold XX and a compact complex manifold SS equipped with a positive volume form dV>0dV>0 and satisfying an extra condition such that \mboxdimS\mboxdimX1\mbox{dim}\,S\geq\mbox{dim}\,X -1, we construct a moment map for the action of the Lie group of biholomorphisms of SS that preserve dVdV onto the space of holomorphic maps f:SXf:S\longrightarrow X that satisfy a certain condition with respect to the Bott-Chern cohomology class of the balanced metric of XX. The purpose is twofold: to study such maps as a possible addition to some very recent hyperbolicity notions involving holomorphic maps with a certain type of growth from some \Cp\C^p, rather than SS, to XX; and to lay the groundwork for a possible future construction of balanced quotients as an analogue of the classical symplectic quotients.

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Cite

@article{arxiv.2311.00485,
  title  = {A Moment Map for the Space of Maps to a Balanced Manifold},
  author = {Dan Popovici and Luis Ugarte},
  journal= {arXiv preprint arXiv:2311.00485},
  year   = {2023}
}

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18 pages