DERIVED HECKE ALGEBRA AND COHOMOLOGY OF ARITHMETIC GROUPS
DERIVED HECKE ALGEBRA AND COHOMOLOGY OF ARITHMETIC GROUPS
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导出的赫克代数和算术群的上同调
DOI:
10.1017/fmp.2019.6
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
Akshay Venkatesh
中科院分区:
文献类型:
--
作者:
Akshay Venkatesh
We describe a graded extension of the usual Hecke algebra: it acts in a graded fashion on the cohomology of an arithmetic group $\unicode[STIX]{x1D6E4}$ . Under favorable conditions, the cohomology is freely generated in a single degree over this graded Hecke algebra. From this construction we extract an action of certain $p$ -adic Galois cohomology groups on $H^{\ast }(\unicode[STIX]{x1D6E4},\mathbf{Q}_{p})$ , and formulate the central conjecture: the motivic $\mathbf{Q}$ -lattice inside these Galois cohomology groups preserves $H^{\ast }(\unicode[STIX]{x1D6E4},\mathbf{Q})$ .
影响因子:
0.5
作者:
Harris, Michael;Venkatesh, Akshay
通讯作者:
Venkatesh, Akshay
影响因子:
3.1
作者:
Calegari, Frank;Geraghty, David
通讯作者:
Geraghty, David