Allowable groups and cogalois extensions
Barrera Mora, Fernando
1995
Fernando Barrera Mora, Martha Rzedowski Calderón and Gabriel Villa Salvador, Allowable Groups and Cogalois Extensions, Journal of Pure and Applied Algebra (104), 123- 147 (1995).
Abstract
Given a number field F and an arbitrary allowable group G, we find necessary and sufficient conditions on the field F in order to have a Galois and cogalois extension View the MathML source with Galois group G.
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