George Szeto, Lianyong Xue, "On certain classes of Galois extensions of rings", International Journal of Mathematics and Mathematical Sciences, vol. 25, Article ID 718108, 7 pages, 2001. https://doi.org/10.1155/S016117120100103X
On certain classes of Galois extensions of rings
Relations between the following classes of Galois extensions are given: (1) centrally projective Galois extensions (CP-Galois extensions), (2) faithfully Galois extensions, and (3) -separable Galois extensions. Moreover, it is shown that the intersection of the class of CP-Galois extensions and the class of faithfully Galois extensions is the class of Azumaya Galois extensions.
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