Uniform lower bound conjecture for the Ricci potential before finite-time singularities

Let XX be the compact Kähler manifold equipped with the Kähler–Ricci flow

ωt=Ric(ω),\frac{\partial \omega}{\partial t}=-\operatorname{Ric}(\omega),

and let uu be the normalized Ricci potential associated with the flow. Suppose the flow develops a singularity at a finite time T<T<\infty.

Uniform lower bound conjecture. There is a constant CC such that

uCu\geqslant -C

for all t[0,T)t\in[0,T).

The conjecture concerns the finite-time, noncollapsing behavior of the scalar potential and is contrasted in the paper with the possible uniform decay of the potential in infinite-time collapsing cases. The supplied text gives heuristic evidence but no resolution.

Sources & referencesView supporting material

Primary source

Zhou Zhang, “General Weak Limit for Kahler-Ricci Flow”, arXiv:1104.2961 (2015).

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