Vojta's general abc conjecture for holomorphic curves

From papers

Let XX be a smooth complex projective variety, let DD be a normal crossing divisor on XX, let KXK_X be a canonical divisor on XX, and let AA be an ample divisor on XX. For an analytic map f:CXf:\mathbb C\to X, write Nf(1)(D,r)N_f^{(1)}(D,r) for the counting function of intersections with DD, truncated at level 11, and TL,f(r)T_{L,f}(r) for the Nevanlinna characteristic associated with a divisor LL.

Vojta's general abc conjecture. (a) If f:CXf:\mathbb C\to X is an algebraically nondegenerate analytic map, then

Nf(1)(D,r)excTKX+D,f(r)o(TA,f(r)).N_f^{(1)}(D,r)\ge_{\operatorname{exc}} T_{K_X+D,f}(r)-{\rm o}(T_{A,f}(r)).

(b) For any ϵ>0\epsilon>0, there exists a proper Zariski-closed subset ZZ of XX, depending only on XX, DD, AA, and ϵ\epsilon, such that for any analytic map f:CXf:\mathbb C\to X whose image is not contained in ZZ,

Nf(1)(D,r)excTKX+D,f(r)ϵTA,f(r).N_f^{(1)}(D,r)\ge_{\operatorname{exc}} T_{K_X+D,f}(r)-\epsilon T_{A,f}(r).

This is presented as Vojta's general abc conjecture and is related to the paper's complex analogue of the conjecture. The source cites Vojta's Conjectures 15.2 and 23.4, but supplies no evidence of a resolution; the conjecture is open.

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Sources & referencesView supporting material

Primary source

Ji Guo and Julie Tzu-Yueh Wang, “A complex case of Vojta's general abc conjecture and cases of Campana's orbifold conjecture”, arXiv:2209.11434 (2023).

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