Some examples of Picard groups of blocks
Some examples of Picard groups of blocks
复制标题
皮卡德块群的一些例子
DOI:
10.1016/j.jalgebra.2019.08.004
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发表时间:
2020
影响因子:
0.9
通讯作者:
Eaton C
中科院分区:
文献类型:
--
作者:
Eaton C
We calculate examples of Picard groups for 2-blocks with abelian defect groups with respect to a complete discrete valuation ring. These include all blocks with abelian 2-groups of 2-rank at most three with the exception of the principal block of J 1. In particular this shows directly that all such Picard groups are finite and Picent, the group of Morita auto-equivalences fixing the centre, is trivial. These are amongst the first calculations of this kind. Further we prove some general results concerning Picard groups of blocks with normal defect groups as well as some other cases.
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影响因子:
0.8
作者:
J. Carlson;R. Rouquier
通讯作者:
R. Rouquier
DOI:
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发表时间:
2010
期刊:
影响因子:
--
作者:
David A. Craven;R. Rouquier
通讯作者:
R. Rouquier
影响因子:
0.9
作者:
Charles W. Eaton;M. Livesey
通讯作者:
M. Livesey
影响因子:
0.9
作者:
Boltje R
通讯作者:
Boltje R
DOI:
--
发表时间:
1998
期刊:
影响因子:
--
作者:
H. Koshita
通讯作者:
H. Koshita