English

A nongradient Ricci almost soliton

Differential Geometry 2025-07-30 v1

Abstract

In this note, we present a construction method and an explicit example of nongradient (expanding or indefinite) Ricci almost soliton in a warped product. Moreover, we show a rigidity result for the Gaussian soliton.

Keywords

Cite

@article{arxiv.2507.21370,
  title  = {A nongradient Ricci almost soliton},
  author = {Antonio Airton Freitas Filho},
  journal= {arXiv preprint arXiv:2507.21370},
  year   = {2025}
}