Steady-soliton limit conjecture for pluriclosed flow on Class VII+ surfaces

Let (M4,J)(M^4,J) be a compact Class VII+\mathrm{VII}_+ surface, let ω0\omega_0 be a pluriclosed metric on MM, and let pMp\in M be a generic point as described in the surrounding discussion. Class VII+ soliton-limit conjecture. The solution ωt\omega_t exists on [0,)[0,\infty), and the pointed spaces (M,J,ωt,p)(M,J,\omega_t,p) converge in the pointed CC^{\infty} Cheeger–Gromov sense to a nonflat complete steady soliton (M,J,ω,p)(M_\infty,J_\infty,\omega_\infty,p) with smooth function ff_\infty, such that θ+f\theta^{\sharp}_\infty+\nabla f_\infty is JJ_\infty-holomorphic, MM_\infty compactifies to (M,J)(\overline M_\infty,\overline J_\infty), and the orthogonal distribution is integrable with generic leaf whose closure is a global spherical shell. The passage presents this as a conjectural summary and gives no resolution.

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Primary source

Jeffrey Streets, “Pluriclosed flow and the geometrization of complex surfaces”, arXiv:1808.09490 (2018).

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