Galois representations on profinite braid groups on curves.

Galois representations on profinite braid groups on curves.
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曲线上有限编织群的伽罗瓦表示。

DOI:
10.1515/crll.1996.474.169
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发表时间:
1994
期刊:
Journal für die reine und angewandte Mathematik (Crelles Journal)
影响因子:
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通讯作者:
M. Matsumoto
M. Matsumoto
中科院分区:
--
文献类型:
--
作者:
M. Matsumoto

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0.1.回到地面。在本文中,kc C表示复数域C的一个子域,ε表示k在C中的代数闭包。对于定义在k上的光滑几何不可约簇V,我们用V表示簇F(x)k ∈ ",用K(V)表示V的函数域。然后,存在一个profinite群的短正合列
0.1. Back ground. Throughout this paper, k c C denotes a subfield of the complex number field C, and £ denotes the algebraic closure of k in C. For a smooth geometrically irreducible variety V defined over k, we denote by V the variety F(x)k£", and denote by K (V) the function field of V. Let χ be a scheme-theoretic point of V (not necessarily closed), and let χ be a geometric point on x. Then, there is a short exact sequence of profinite groups