有限几何中的横向自由度

Charlie Bruggemann, Vera Choi, Brian Freidin, Jaedon Whyte
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引用次数: 0

摘要

我们研究的是定义在有限域上的投影曲线和超曲面,它们与一类低度数品种的每个成员相切。在扩展阿斯加里的二维工作的基础上,我们首先探讨了在 $n$ 和 $k$ 的某个值下,$n$ 维投影空间中与每个 $k$ 维子空间相切的光滑超曲面所能达到的最低度数。然后,我们研究作为有限反转面和双曲面模型的投影面,它们是球面和双曲面几何的有限类似物。在这些曲面中,我们构建了与基域上定义的每条最低度曲线相切的曲线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Transverse-freeness in finite geometries
We study projective curves and hypersurfaces defined over a finite field that are tangent to every member of a class of low-degree varieties. Extending 2-dimensional work of Asgarli, we first explore the lowest degrees attainable by smooth hypersurfaces in $n$-dimensional projective space that are tangent to every $k$-dimensional subspace, for some value of $n$ and $k$. We then study projective surfaces that serve as models of finite inversive and hyperbolic planes, finite analogs of spherical and hyperbolic geometries. In these surfaces we construct curves tangent to each of the lowest degree curves defined over the base field.
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