The Brauer group of dimodule algebras

The Brauer group of dimodule algebras
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DOI:
10.1016/0021-8693(74)90224-5
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发表时间:
1974-06
期刊:
影响因子:
0.9
通讯作者:
F. W. Long
F. W. Long
中科院分区:
数学3区
文献类型:
--
作者:
F. W. Long

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本文对同时是H-模和H-余模的代数发展了一个Brauer群理论,其中H是一个Hopf代数。本文的工作推广了[4]中的工作,也是从[4]中自然产生的,在[4]中我们考虑了代数被一个群作用并被同一群分次。这推广了Frohlich和Wall [2]的等变Brauer群,并在第1节的最后证明了Frijhlich和Wall的一些结果推广到了Hopf代数的情形。
In this paper we develope a Brauer group theory for algebras which are simultaneously H-modules and H-comodules, where H is a Hopf algebra. This work generalizes, and also arises naturally from, the work in [4] where we considered algebras acted on by a group and graded by the same group.In Section 1 we consider the case where there is only an H-module action. This generalizes the equivariant Brauer group of Frohlich and Wall [2] and at the end of Section 1 we show that some of Frijhlich and Wall’s results extend to the Hopf algebra situation.