Quasi-fractal intersection conjecture for algebraic varieties

Let XX be an irreducible variety defined over a finitely generated field KK, and let QX(Kˉ)Q\subset X(\bar K) be a quasi-fractal on XX with respect to correspondences YiY_i in X×XX\times X, each having finite and surjective projection maps. Let ZZ be any reduced subscheme of XX defined over KK.

Quasi-fractal intersection conjecture. The Zariski closure of Z(Kˉ)QZ(\bar K)\cap Q is a union of finitely many points and finitely many components BiB_i such that, for each ii, the intersection Bi(Kˉ)QB_i(\bar K)\cap Q is a quasi-fractal in BiB_i with respect to correspondences induced by the YiY_i.

This extends the arithmetic-fractal framework by allowing self-similarities induced by geometric self-correspondences rather than self-maps. The source does not state a resolution or known general cases.

Sources & referencesView supporting material

Primary source

Arash Rastegar, “Self-Similarity in Geometry, Algebra and Arithmetic”, arXiv:1211.4968 (2015).

Additional references

2 papers in this index state this conjecture (2004–2012). The statement above is taken from the most recent of them; the others are arXiv:math/0404498.

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