1. Perelman, G.: The entropy formula for the Ricci flow and its geometric applications. Preprint, arXiv: math/0211159
2. Hamilton, R.: Formation of singularities in the Ricci flow. Surv. Differ. Geom. 2, 7–136 (1995)
3. Hamilton, R.: Non-singular solutions of the Ricci flow on three-manifolds. Commun. Anal. Geom. 7, 695–729 (1999)
4. Perelman, G.: Ricci flow with surgery on three-manifolds. Preprint, arXiv: math/0303109
5. Huang, S.: Notes on Ricci flows with collapsing initial data (I): Distance distortion. Preprint, arXiv: 1809.07394