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A characterization of Azumaya coalgebras over a commutative ring
Kozo SUGANO
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Kozo SUGANO
Department of Mathematics Faculty of Science Hokkaido University
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1982 Volume 34 Issue 4 Pages 719-726
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- Published: 1982 Received: March 30, 1981 Available on J-STAGE: October 20, 2006 Accepted: July 17, 1981 Advance online publication: - Revised: -
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Correction information
Date of correction: October 20, 2006 Reason for correction: - Correction: CITATION Details: Wrong : 1) F. DeMeyer and E. Ingraham, Separable algebras over commutative rings, Lecture Notes in Math., 181, Springer, 1971.
2) Y. Doi and M. Takeuchi, Cohomologies over commutative Hopf algebras, J. Math. Soc. Japan, 25 (1973), 680-706.
3) Y. Doi, Homological coalgebra, J. Math. Soc. Japan, 33 (1981), 31-50.
4) K. Hirata, Some types of separable extensions of rings, Nagoya Math. J., 33 (1968), 107-115.
5) K. Sugano, Note on semisimple extensions and separable extensions, Osaka J. Math., 4 (1967), 265-270.
6) M. E. Sweedler, Hopf algebras, Benjamin, New York, 1969.
Right : [1] F. DeMeyer and E. Ingraham, Separable algebras over commutative rings, Lecture Notes in Math., 181, Springer, 1971.
[2] Y. Doi and M. Takeuchi, Cohomologies over commutative Hopf algebras, J. Math. Soc. Japan, 25 (1973), 680-706.
[3] Y. Doi, Homological coalgebra, J. Math. Soc. Japan, 33 (1981), 31-50.
[4] K. Hirata, Some types of separable extensions of rings, Nagoya Math. J., 33 (1968), 107-115.
[5] K. Sugano, Note on semisimple extensions and separable extensions, Osaka J. Math., 4 (1967), 265-270.
[6] M. E. Sweedler, Hopf algebras, Benjamin, New York, 1969.
Date of correction: October 20, 2006 Reason for correction: - Correction: PDF FILE Details: -
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