The equivalence conjecture for analytic specialness

Let (X,Δ)(X,\Delta) be a smooth proper orbifold pair. Call it Kobayashi-special when its Kobayashi pseudometric vanishes identically, Picard-special when it admits the specified dense-degeneration orbifold map from the punctured disk, Borel-special when it admits a Zariski-dense graph from a smooth affine curve, and Brody-special when it admits a holomorphic orbifold map from C\mathbb{C} with Zariski-dense image. Analytic specialness conjecture. The following are equivalent: (X,Δ)(X,\Delta) is special, Kobayashi-special, Picard-special, Borel-special, or Brody-special. The conjecture extends a collection of conjectures on special varieties; the source gives no resolution.

Sources & referencesView supporting material

Primary source

Finn Bartsch, Frédéric Campana, Ariyan Javanpeykar and Olivier Wittenberg, “The Weakly Special Conjecture contradicts orbifold Mordell, and hence the abc conjecture”, arXiv:2410.06643 (2026).

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