关于Galois缠绕的上同调
On the cohomology of a Galois entwining
摘要:
本文证明了一个代数与T. Brzezienski(J. Algebra 235(2001),no.1,176- 202; arXiv:math.RA/9909108)计算了当扩张为伽罗瓦时共不变量的子代数的Hochschild上同调。
英文摘要:
In this short note, we show that the cohomology of an algebra entwined with a coalgebra as defined by T. Brzeziński (J. Algebra 235 (2001), no. 1, 176--202; arXiv:math.RA/9909108) computes the Hochschild cohomology of the subalgebra of coinvariants when the extension is Galois.
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