Results 1 to 10 of about 3,127 (285)

On residual algebraic torsion extensions of a valuation of a field K to K(x1,…,xn)

, 2013
Let v be a valuation of a field K with a value group and a residue field , w be an extension of v to . Then w is called a residual algebraic torsion extension of v to if is an algebraic extension and is a torsion group.
Figen Öke, Oke, Figen
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Positively ramified extensions of algebraic number fields.

Journal für die reine und angewandte Mathematik (Crelles Journal), 1995
This paper is based on the author's thesis of the same title (in German) (1993; Zbl 0803.11059)]. He generalizes results of \textit{K. Wingberg} [J. Reine Angew. Math. 400, 185-202 (1989; Zbl 0715.11065)] on certain Galois groups of CM-fields to fields that are ``locally of CM-type'' at all primes above \(p\).
openaire   +1 more source

Dhost theories as disformal gravity: from black holes to radiative spacetimes

European Physical Journal C: Particles and Fields
This manuscript gathers and reviews part of our work focusing on the exploration of modified theories of gravity known as degenerate higher order scalar-tensor (DHOST) theories.
Jibril Ben Achour
doaj   +1 more source

Algebraic extensions in free groups

, 2007
35 pagesThe aim of this paper is to unify the points of view of three recent and independent papers (Ventura 1997, Margolis, Sapir and Weil 2001 and Kapovich and Miasnikov 2002), where similar modern versions of a 1951 theorem of Takahasi were given.
Ventura, Enric, Weil, Pascal, Miasnikov, Alexei   +2 more
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Algebraic extensions in free groups

, 2006
. The aim of this paper is to unify the points of view of three recent and independent papers (Ventura 1997, Margolis, Sapir andWeil 2001 and Kapovich and Miasnikov 2002), where similar mod-ern versions of a 1951 theorem of Takahasi were given.
Ventura, Enric, Weil, Pascal, Pascal Weil, Myasnikov, Alexei, Alexei Miasnikov, Enric Ventura   +5 more
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Galois Theory of Essential Extensions of Modules

, 1972
The purpose of this paper is to exploit an analogy between algebraic extensions of fields and essential extensions of modules, in which the role of the algebraic closure of a field F is played by the
Sylvia Wiegand
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Class Field Theory and Elliptic Curves with Complex Multiplication [PDF]

, 2023
openClass field theory is a branch of algebraic number theory which has the purpose of studying and classifying abelian extensions of fields. The work starts with a detailed study of this theory based on a cohomological approach which leads to the ...
DA RONCHE, ENRICO
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On L-packets and depth for SL_2(K) and its inner form

We consider the group SL_2(K), where K is a local non-archimedean field of characteristic two. We prove that the depth of any irreducible representation of SL_2 (K) is larger than the depth of the corresponding Langlands parameter, with equality if and ...
Aubert, Anne-Marie, Solleveld, Maarten, Mendes, Sergio, Plymen, Roger   +3 more
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Real square extensions

, 2020
U ovom radu govorimo o kvadratnim proširenjima polja racionalnih brojeva, i to prvenstveno realnim kvadratnim proširenjima. Polazeći od definicije i elementarnih pojmova algebre, pokazujemo karakteristike i konstrukcije općenitih kvadratnih proširenja ...
Sindičić, Lovro
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Polynomial Poisson algebras: Gel'fand-Kirillov problem and Poisson spectra [PDF]

, 2014
We study the fields of fractions and the Poisson spectra of polynomial Poisson algebras. First we investigate a Poisson birational equivalence problem for polynomial Poisson algebras over a field of arbitrary characteristic.
Lecoutre, César
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