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On the Galois theory of difference fields

✍ Scribed by Ronald P. Infante


Publisher
Springer
Year
1981
Tongue
English
Weight
103 KB
Volume
22
Category
Article
ISSN
0001-9054

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We prove that two arithmetically significant extensions of a field F coincide if w x and only if the Witt ring WF is a group ring β€«ήšβ€¬rn G . Furthermore, working modulo squares with Galois groups which are 2-groups, we establish a theorem analogous to Hilbert's Theorem 90 and show that an identity li