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Sparsity of Integral Points on Moduli Spaces of Varieties
International Mathematics Research Notices ( IF 0.9 ) Pub Date : 2022-09-14 , DOI: 10.1093/imrn/rnac243
Jordan S Ellenberg 1 , Brian Lawrence 2 , Akshay Venkatesh 3
Affiliation  

Let $X$ be a quasi-projective variety over a number field, admitting (after passage to $\mathbb {C}$) a geometric variation of Hodge structure whose period mapping has zero-dimensional fibers. Then the integral points of $X$ are sparse: the number of such points of height $\leq B$ grows slower than any positive power of $B$. For example, homogeneous integral polynomials in a fixed number of variables and degree, with discriminant divisible only by a fixed set of primes, are sparse when considered up to integral linear substitutions.

中文翻译:

品种模空间上积分点的稀疏性

令 $X$ 是一个数域上的拟射变簇,承认(在通过 $\mathbb {C}$ 之后)Hodge 结构的几何变化,其周期映射具有零维纤维。则 $X$ 的积分点是稀疏的:高度为 $\leq B$ 的点的数量比 $B$ 的任何正幂增长得慢。例如,具有固定数量的变量和次数的齐次积分多项式(判别式只能被一组固定的素数整除)在考虑到积分线性替换时是稀疏的。
更新日期:2022-09-14
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