Geometric conjecture for potentially dense subvarieties of singular varieties of general type

Let XX be a bQ\mathbf{b}{Q}-Gorenstein variety with a canonical divisor KXK_{X} big. A closed subvariety YXY\subset X is potentially dense if, after a finite extension of the base number field, its rational points are Zariski dense in YY. Let NonC(X)\operatorname{NonC}(X) denote the non-canonical locus of XX. Geometric conjecture. There exists a proper closed subset ZXZ\subset X such that for every potentially dense closed subvariety YXY\subset X, either YY is contained in ZZ or YY intersects NonC(X)\operatorname{NonC}(X). This generalizes Lang's conjecture from smooth varieties of general type to varieties with canonical singularities, while allowing potentially dense subvarieties to meet the non-canonical locus. Its resolution status is not specified in the source.

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Primary source

Takehiko Yasuda, “Vojta's conjecture for singular varieties”, arXiv:1610.03593 (2016).

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