Lang's intermediate conjecture for exceptional loci

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Let kk be an algebraically closed field of characteristic zero, let XX be a projective variety over kk, let Δ⊂X\Delta\subset X be a closed subset, and let pp be a positive integer. The paper defines Mordellicity, algebraic hyperbolicity, and algebraic boundedness modulo Δ\Delta. Lang's intermediate conjecture for exceptional loci. The following statements are equivalent: every subvariety YY of XX of dimension at least pp with Y⊄ΔY\not\subset\Delta is of general type; XX is Mordellic modulo Δ\Delta over kk; XX is pp-Mordellic modulo Δ\Delta over kk; XX is pp-algebraically hyperbolic modulo Δ\Delta over kk; and XX is pp-algebraically bounded modulo Δ\Delta over kk. The source notes that some implications and special cases are known, while the full equivalence is conjectural.

References

Primary source

Antoine Etesse, Ariyan Javanpeykar and Erwan Rousseau, “Algebraic intermediate hyperbolicities”, arXiv:2012.07803 (2021).

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