Lang's intermediate pseudo-conjectures

Let kk be an algebraically closed field of characteristic zero, let XX be a projective variety over kk, and let pgeq1pgeq 1 be an integer. The notions of general type, pseudo-Mordellicity, pseudo-algebraic hyperbolicity, and pseudo-algebraic boundedness are those defined in the paper. Lang's intermediate pseudo-conjectures. The following conditions are equivalent: XX is of general type; there is a proper closed subset ΔX\Delta\subsetneq X such that every subvariety YXY\subset X of dimension at least pp not contained in Δ\Delta is of general type; XX is pseudo-Mordellic over kk; XX is pseudo-pp-Mordellic over kk; XX is pseudo-algebraically hyperbolic over kk; XX is pseudo-pp-algebraically hyperbolic over kk; XX is pseudo-bounded over kk; XX is pseudo-pp-algebraically bounded over kk; XX is dim(X)\dim(X)-Mordellic over kk; XX is dim(X)\dim(X)-algebraically-hyperbolic over kk; and XX is dim(X)\dim(X)-algebraically-bounded over kk. The paper records several implications and special cases, but the equivalence as a whole is not resolved there.

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Primary source

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

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