Moduli-space conjecture for Kähler manifolds with complexified polarisation

Let XX be a Kähler manifold and let [ωC][\omega^{\mathbb{C}}] be a complexified polarisation. For a coupling constant γ\gamma, consider pairs (X,[ωC])(X,[\omega^{\mathbb{C}}]) for which the cscK equation with B-field is solvable in the class [ωC][\omega^{\mathbb{C}}].

Moduli-space conjecture. There exists a Hausdorff complex space Mγ(X,[ωC])\mathfrak{M}_{\gamma}(X,[\omega^{\mathbb{C}}]) serving as a moduli space of Kähler manifolds with a complexified polarisation, such that the cscK equation with B-field is solvable in the class [ωC][\omega^{\mathbb{C}}]. Moreover, Mγ(X,[ωC])\mathfrak{M}_{\gamma}(X,[\omega^{\mathbb{C}}]) admits a natural Weil–Petersson-type Kähler metric η\eta.

This is proposed by analogy with classical moduli constructions for Kähler manifolds and with more recent moduli results. The existence of the asserted Hausdorff complex space and its natural Weil–Petersson-type metric remains open in the source.

Sources & referencesView supporting material

Primary source

Carlo Scarpa and Jacopo Stoppa, “Special representatives of complexified Kähler classes”, arXiv:2209.14157 (2024).

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