Results 21 to 30 of about 263 (30)

p-Capitulation over number fields with p-class rank two

open access: yes, 2016
Theoretical foundations of a new algorithm for determining the p-capitulation type kappa(K) of a number field K with p-class rank rho=2 are presented. Since kappa(K) alone is insufficient for identifying the second p-class group G=Gal(F(p,2,K) | K) of K,
Mayer, Daniel C.
core   +1 more source

Ray class fields generated by torsion points of certain elliptic curves [PDF]

open access: yes, 2010
We first normalize the derivative Weierstrass $\wp'$-function appearing in Weierstrass equations which give rise to analytic parametrizations of elliptic curves by the Dedekind $\eta$-function.
Dong   +3 more
core  

The Galois theory of the lemniscate [PDF]

open access: yes, 2012
This article studies the Galois groups that arise from division points of the lemniscate. We compute these Galois groups two ways: first, by class field theory, and second, by proving the irreducibility of lemnatomic polynomials, which are analogs of ...
Cox, David A., Hyde, Trevor
core  

An upper bound for the genus of a curve without points of small degree [PDF]

open access: yes, 2012
In this paper I prove that for any prime $p$ there is a constant $C_p>0$ such that for any $n>0$ and for any $p$-power $q$ there is a smooth, projective, absolutely irreducible curve over $\mathbb{F}_q$ of genus $g\leq C_p q^n$ without points of degree ...
Stirpe, Claudio
core   +2 more sources

No Riemann-hurwitz formula for the p-ranks of relative class groups

open access: yes, 2015
We disprove, by means of numerical examples, the existence of a Riemann-Hurwitz formula for the p-ranks of relative class groups in a p-ramified p-extension K/k of number fields of CM-type containing ?\_p.
Gras, Georges
core   +1 more source

An explicit Andr\'e-Oort type result for P^1(C) x G_m(C)

open access: yes, 2014
Using class field theory we prove an explicit result of Andr\'e-Oort type for $\mathbb{P}^1(\mathbb{C}) \times \mathbb{G}_m(\mathbb{C})$. In this variation the special points of $\mathbb{P}^1(\mathbb{C})$ are the singular moduli, while the special points
Paulin, Roland
core  

Frobenius and non logarithmic ramification

open access: yes, 2015
A $\ell$-extension is said logarithmically unramified if it is locally cyclotomic. The purpose of this article is to explain the construction of the logarithmic Frobenius, which plays the role usually played by the classical Frobenius, but in the context
Réglade, Stéphanie
core  

Systematic endobronchial ultrasound-guided transbronchial needle aspiration improves radiotherapy planning in non-small cell lung cancer. [PDF]

open access: yesERJ Open Res, 2019
Cole AJ   +9 more
europepmc   +1 more source

Molecular mimicry between Helicobacter pylori antigens and H+, K+ --adenosine triphosphatase in human gastric autoimmunity. [PDF]

open access: yesJ Exp Med, 2003
Amedei A   +10 more
europepmc   +1 more source

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