English

On four-dimensional anti-self-dual gradient Ricci solitons

Differential Geometry 2011-02-08 v2

Abstract

In this note we prove that any four-dimensional half conformally flat gradient steady Ricci soliton must be either Bryant's soliton or Ricci flat. We also classify four-dimensional half conformally flat gradient shrinking Ricci solitons with bounded curvature.

Keywords

Cite

@article{arxiv.1102.0358,
  title  = {On four-dimensional anti-self-dual gradient Ricci solitons},
  author = {Xiuxiong Chen and Yuanqi Wang},
  journal= {arXiv preprint arXiv:1102.0358},
  year   = {2011}
}