Convergence conjecture for Hermitian–Yang–Mills metrics under divisor degeneration

Let E\overline{E} be a holomorphic vector bundle on X\overline{X} such that ED\overline{E}|_D is c1(ND)c_1(N_D)-polystable and E\overline{E} is (c1(D),[ω0])(c_1(D),[\omega_0])-stable. Let HϵH_\epsilon be the Hermitian–Yang–Mills metric on E\overline{E} with respect to the Kähler form ωϵ\omega_\epsilon, and let HH be the Hermitian metric constructed in Theorem. Convergence conjecture. There exist smooth functions fϵf_\epsilon on XX such that

HϵefϵHin Cloc(X).H_\epsilon e^{f_\epsilon}\longrightarrow H \quad\text{in } C^\infty_{\mathrm{loc}}(X).

This asks whether the compact Hermitian–Yang–Mills metrics converge locally, after scalar normalization, to the metric constructed on the complete non-compact manifold. The supplied text presents it as a natural problem and gives no resolution, so its status remains open.

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Primary source

Junsheng Zhang, “Hermitian-Yang-Mills connections on some complete non-compact Kähler manifolds”, arXiv:2206.13579 (2022).

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