Cohomology of the Siegel modular group of degree two and level four

被引：0

作者：

Hoffman, JW

Weintraub, SH

机构：

来源：

MEMOIRS OF THE AMERICAN MATHEMATICAL SOCIETY | 1998年 / 133卷 / 631期

关键词：

Siegel modular variety; Igusa compactification; cohomology; Hodge numbers;

D O I：

暂无

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We compute the cohomology of the principal congruence subgroup Gamma(2)(4) subset of Sp(4)(Z) consisting of matrices gamma = 1 mod 4. This is done by computing the cohomology of the moduli space M-4. We determine the mixed Hedge structure on this cohomology, as well as the intersection cohomology of the Satake compactification of M-4.

引用

页码：59 / +

页数：17

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