The modified Kodaira conjecture for compact Kähler manifolds
The modified Kodaira conjecture for compact Kähler manifolds
Let be a compact Kähler manifold. A compact Kähler space is algebraically approximable if it occurs as the central fibre of a proper flat family having projective fibres along a sequence converging to the central parameter. A bimeromorphic model is a space bimeromorphic to .
Modified Kodaira conjecture. There exists a bimeromorphic model
where is a normal -factorial compact Kähler space with terminal singularities and is algebraically approximable.
This modifies Kodaira’s question by allowing singular minimal-model-type bimeromorphic models. Smooth compact Kähler manifolds can fail to have algebraically approximable smooth bimeromorphic models in higher dimensions, while the source reports a partial positive result in dimension three when .
Sources & referencesView supporting material
Primary source
Andreas Höring and Thomas Peternell, “Bimeromorphic geometry of Kähler threefolds”, arXiv:1701.01653 (2017).
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