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A Note on Finitistic Dimension of Hopf-Galois Extensions
Let H be a finite-dimensional Hopf algebra over a field k and A/B be a right H-Galois extension. If the functors A ⊗ B − and B (−) are both separable, then the finitistic dimension of A is equal to that of B.
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Published in: | Communications in algebra 2014-01, Vol.42 (10), p.4392-4395 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | Let H be a finite-dimensional Hopf algebra over a field k and A/B be a right H-Galois extension. If the functors A ⊗
B
− and
B
(−) are both separable, then the finitistic dimension of A is equal to that of B. |
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ISSN: | 0092-7872 1532-4125 |
DOI: | 10.1080/00927872.2013.811514 |