Quasi-projective soliton limit conjecture for Ricci-vertex blow-ups

Let X\mathcal{X} be a metric-flow limit of Type I blow-ups of a Kähler-Ricci flow, with time slices (Xt,dt)(\mathcal{X}_t,d_t) as in Theorem 2main1. A quasi-projective normal variety is a normal variety admitting an open embedding into a projective variety. Quasi-projective soliton limit conjecture. For every t(,0]t\in(-\infty,0], (Xt,dt)(\mathcal{X}_t,d_t) should be a quasi-projective normal variety; moreover, after choosing suitable Ricci vertices, X\mathcal{X} should be a complete Kähler-Ricci soliton. The theorem preceding this conjecture identifies the slices as analytic normal varieties with controlled singularities, but quasi-projectivity and the global soliton structure remain conjectural.

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Primary source

Wangjian Jian, Jian Song and Gang Tian, “Finite time singularities of the Kähler-Ricci flow”, arXiv:2310.07945 (2023).

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