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Witt kernels of bi-quadratic extensions in characteristic 2: Addendum

Published online by Cambridge University Press:  17 April 2009

Hamza Ahmad
Hamza Ahmad
Affiliation:
Department of Mathematical Sciences, Saginaw Valley State University, University Center, MI 48710, United States of America e-mail: [email protected]
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In a recent referee's report reviewing [2], it was pointed out to me that Theorem 2.2 in [1] was already known in the literature, and is (originally) due to Mammone and Moresi in [3]. Also in [3], the authors establish the excellence of inseparable quadratic extensions in a shorter way than I presented in [1]. As the paper [3] was unknown to me at the time of submitting [1], I hope by this note to acknowledge and credit [3] for the result(s).

Type
Research Article
Information
Bulletin of the Australian Mathematical Society , Volume 70 , Issue 2 , October 2004 , pp. 351
Copyright
Copyright © Australian Mathematical Society 2004

References

[1]Ahmad, H., ‘Witt kernels of bi-quadratic extensions in characteristic 2’, Bull. Austral. Math. Soc. 69 (2004), 433–440.CrossRefGoogle Scholar
[2]Ahmad, H., ‘Witt kernels of purely inseparable quartic extensions’, Linear Algebra Appl. (to appear).Google Scholar
[3]Mammone, P. and Moresi, R., ‘Formes quadratiques, algèbres à division et extensions multiquadratiques inséparables’, Bull. Belg. Math. Soc. Simon Stevin 2 (1995), 311–319.CrossRefGoogle Scholar