A note on the Cotton flow and the Ricci flow for three-manifolds, and the Hořava–Lifshitz gravity R. Cartas-Fuentevilla, A. Herrera-Aguilar and J. L. A. Calvario-Acocal Eur. Phys. J. C, 84 9 (2024) 953 Published online: 27 September 2024 DOI: 10.1140/epjc/s10052-024-13355-8