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Códigos de bloco espaço-temporais via corpos quadráticos
(Universidade Estadual Paulista (Unesp), 2017-01-30)
Os sistemas de comunicação com Múltiplas Entradas e Múltiplas Saídas (MIMO), são sistemas constituídos por estruturas que utilizam várias antenas, tanto no transmissor como no receptor. Por serem transmitidos via antenas, ...
Teorema de Golod-Shafarevich
(Universidade Federal de Minas GeraisUFMG, 2014-05-16)
This thesis is about the celebrated theorem of Golod and Shafarevich. It can be viewed as a theorem on homological algebra for noncommutative local rings. However, the main motivation in nding and proving it came from ...
Free groups in quaternion algebras
(Amsterdam, 2013-04-01)
In Juriaans et al. (2009) [9] we constructed pairs of units u,v in Z-orders of a quaternion algebra over View the MathML source, d a positive and square free integer with View the MathML source, such that 〈un,vn〉 is free ...
Anticyclotomic p-adic L-functions for elliptic curves at some additive reduction primes
(Elsevier France-editions Scientifiques Medicales Elsevier, 2018-10)
Let E be a rational elliptic curve and let p be an odd prime of additive reduction. Let K be an imaginary quadratic field and fix a positive integer c prime to the conductor of E. The main goal of the present article is ...
Construcciones de puntos de Heegner
(2017-08-04)
Dada una curva elíptica racional E y un cuerpo cuadrático imaginario K que satisface la llamada hipótesis de Heegner, podemos construir puntos definidos sobre extensiones abelianas de K conocidos como puntos de Heegner. ...