Combinatorial Ricci flow with surgery convergence conjecture
Combinatorial Ricci flow with surgery convergence conjecture
Let be an oriented compact -manifold with boundary, no component of which is a -sphere. Suppose that is irreducible, atoroidal and not Seifert fibred. A combinatorial Ricci flow with surgery is the combinatorial Ricci flow continued after finitely many changes of ideal triangulation by Pachner moves when finite-time degenerations occur. Combinatorial Ricci flow with surgery convergence conjecture. After a finite number of surgeries, the combinatorial Ricci flow will converge. Thus a hyperbolic structure, and meanwhile, a geometric ideal triangulation on are obtained.
If true, this would turn the existence of a hyperbolic structure and geometric ideal triangulation into a finite surgery-and-flow procedure for manifolds satisfying the stated topological hypotheses. The source presents this as a conjecture and gives no resolution.
Sources & referencesView supporting material
Primary source
Feng Ke and Ge Huabin, “Combinatorial Ricci Flow and Thurston's Triangulation Conjecture”, arXiv:2502.06497 (2025).
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