Real fields and repeated radical extensions

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The main result of this paper is that if E is a field extension of finite odd degree over a real field Q, and if E is a repeated radical extension of Q, then every intermediate field is also a repeated radical extension of Q. This paper also contains a number of other results about repeated radical extensions.

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Number Theory, Commutative Algebra, Rings and Algebras

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http://salesiana.dossiersoluciones.com/handle/123456789/153115

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9702232
 http://arxiv.org/abs/math/9702232

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arXiv