English

K\"ahler Ricci solitons and deformation of complex structures

Differential Geometry 2012-06-11 v2

Abstract

Given a compact Fano K\"ahler manifold (M,J) with a K\"ahler Ricci soliton g, we consider smooth families {J_t} of complex deformations of (M,J) which are invariant under the action of a maximal torus T in the full isometry group of (M,g). We prove that, under a certain condition on the spectrum of the Laplacian of g, there exists a smooth family of T-invariant K\"ahler Ricci solitons g_t on every complex manifold (M, J_t) with J_t sufficiently close to J. The result extends a theorem by Koiso on complex deformations of K\"ahler Einstein manifolds.

Keywords

Cite

@article{arxiv.1206.0471,
  title  = {K\"ahler Ricci solitons and deformation of complex structures},
  author = {Fabio Podesta' and Andrea Spiro},
  journal= {arXiv preprint arXiv:1206.0471},
  year   = {2012}
}

Comments

This preprint has been withdrawn by the authors. It stated a result which has been independently proved in a stronger version by H. Li in "Complex deformation of critical Kaehler metrics" posted in ArXiv:1206.0912 [math.DG]