%0 Journal Article
%T On four-dimensional anti-self-dual gradient Ricci solitons
%A Xiuxiong Chen
%A Yuanqi Wang
%J Mathematics
%D 2011
%I arXiv
%X 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.
%U http://arxiv.org/abs/1102.0358v2