The Weakly Special Conjecture for potential density

Let XX be a smooth projective variety over a number field KK. A variety is weakly special if no finite étale cover of XKX_{\overline{K}} rationally dominates a positive-dimensional smooth projective variety of general type over K\overline{K}. Weakly Special Conjecture. If XX is weakly special, then there is a finite extension L/KL/K such that X(L)X(L) is dense. This conjecture is presented as the converse to the prediction that dense rational points imply weak specialness; the paper's examples disprove it.

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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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