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The Absolute Galois Group of a Semi-Local Field
Engelsk Paperback
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The Absolute Galois Group of a Semi-Local Field
Engelsk Paperback

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Om denne bog

This book is devoted to the structure of the absolute Galois groups of certain algebraic extensions of the field of rational numbers. Its main result, a theorem proved by the authors and Florian Pop in 2012, describes the absolute Galois group of distinguished semi-local algebraic (and other) extensions of the rational numbers as free products of the free profinite group on countably many generators and local Galois groups. This is an instance of a positive answer to the generalized inverse problem of Galois theory.

Adopting both an arithmetic and probabilistic approach, the book carefully sets out the preliminary material needed to prove the main theorem and its supporting results. In addition, it includes a description of Melnikov''s construction of free products of profinite groups and, for the first time in book form, an account of a generalization of the theory of free products of profinite groups and their subgroups.

 The book will be of interest to researchers in field arithmetic, Galois theory and profinite groups.



Product detaljer
Sprog:
Engelsk
Sider:
137
ISBN-13:
9783030891930
Indbinding:
Paperback
Udgave:
ISBN-10:
3030891933
Udg. Dato:
21 nov 2022
Længde:
0mm
Bredde:
155mm
Højde:
235mm
Forlag:
Springer Nature Switzerland AG
Oplagsdato:
21 nov 2022
Forfatter(e):
Kategori sammenhænge