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Rational Points on Generic Marked Hypersurfaces

Author:
Qixiao Ma
Keyword:
Mathematics, Algebraic Geometry, Algebraic Geometry (math.AG), Geometric Topology (math.GT)
journal:
--
date:
2023-09-20 16:00:00
Abstract
Over fields of characteristic zero, we show that for $n=1,d\geq4$ or $n=2,d\geq5$ or $n\geq3, d\geq 2n$, the generic $m$-marked degree-$d$ hypersurface in $\mathbb{P}^{n+1}$ admits the $m$ marked points as all the rational points. Over arbitrary fields, we show that for $n=1,d\geq4$ or $n\geq2, d\geq 2n+3$, the identiy map is the only rational self-map of the generic degree-$d$ hypersurface in $\mathbb{P}^{n+1}$.
PDF: Rational Points on Generic Marked Hypersurfaces.pdf
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