Tagged Questions
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Why do the two topologies on a Galois group coincide?
In the following one is referred to the book.
At this page, the author defines Krell topology on a Galois group(not necessarily finite); at the 22-th page of the same book, the quthor defines then the ...
2
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Question on $\operatorname{res}^G_U \circ \operatorname{cor}^U_G = N_{G/U}$
This is probably a very basic question, but I can't wrap my head around it.
Given a normal open subgroup $U$ of a profinite group $G$ and a $G$-Module $A$ we have the following equation in group ...
