摘要翻译:
如果定义在具有有限剩余域$k$的$\frak{p}$-adic域$k$上的射影光滑簇的$\ell$-adic上同调在余维$\ge1$上是受支持的,那么在$k$整数环上的任何模型都有$k$-rational点。这稍微改进了我们早先的结果Math/0405318:我们需要模型是正则的(但是我们的结果更一般:我们获得了点数的同余,$k$可以是特征$p>0$的局部)。
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英文标题:
《Coniveau over $p$-adic fields and points over finite fields》
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作者:
H\'el\`ene Esnault
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最新提交年份:
2007
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分类信息:
一级分类:Mathematics 数学
二级分类:Number Theory 数论
分类描述:Prime numbers, diophantine equations, analytic number theory, algebraic number theory, arithmetic geometry, Galois theory
素数,丢番图方程,解析数论,代数数论,算术几何,伽罗瓦理论
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一级分类:Mathematics 数学
二级分类:Algebraic Geometry 代数几何
分类描述:Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology
代数簇,叠,束,格式,模空间,复几何,量子上同调
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英文摘要:
If the $\ell$-adic cohomology of a projective smooth variety, defined over a $\frak{p}$-adic field $K$ with finite residue field $k$, is supported in codimension $\ge 1$, then any model over the ring of integers of $K$ has a $k$-rational point. This slightly improves our earlier result math/0405318: we needed there the model to be regular (but then our result was more general: we obtained a congruence for the number of points, and $K$ could be local of characteristic $p>0$).
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PDF链接:
https://arxiv.org/pdf/0704.1273