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arXiv math/0006128math.AGmath.NT
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线性圈的Arakelov交指标与建筑物和对称空间的几何

Arakelov intersection indices of linear cycles and the geometry of buildings and symmetric spaces

Annette Werner

摘要:

本文将Manin的方法推广到射影空间上的线性周期无穷远处的Arakelov理论的几何解释。我们展示了如何解释某些非阿基米德Arakelov相交数的线性圈$P^{n-1}$与组合几何的Bruhat-Tits建设相关的PGL(n)。这种几何设置有一个阿基米德的类似物,即与SL(n,C)相关联的黎曼对称空间,我们用它来解释类似的阿基米德相交数的线性循环以类似的方式。

英文摘要:

This paper generalizes Manin's approach towards a geometrical interpretation of Arakelov theory at infinity to linear cycles on projective spaces. We show how to interpret certain non-Archimedean Arakelov intersection numbers of linear cycles on $P^{n-1}$ with the combinatorial geometry of the Bruhat-Tits building associated to PGL(n). This geometric setting has an Archimedean analogue, namely the Riemannian symmetric space associated to SL(n,C), which we use to interpret analogous Archimedean intersection numbers of linear cycles in a similar way.

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