A note on the Cotton flow and the Ricci flow for three-manifolds, and the Hořava–Lifshitz gravityR. Cartas-Fuentevilla, A. Herrera-Aguilar and J. L. A. Calvario-AcocalEur. Phys. J. C, 84 9 (2024) 953DOI: https://doi.org/10.1140/epjc/s10052-024-13355-8