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Arithmetic, geometry and coding theory

Seminar of the sector 4.1 IITP RAS and Poncelet French-Russian laboratory
 

20.03.2013 (Wednesday), 17:30, IUM, room 304

Philippe Lebacque (Laboratoire de Mathematiques, Université de Franche-Comté; Laboratoire Poncelet)

On the Cohomological Dimension of Some Pro-p-Extensions

This talk deals with pro-p-extensions of number fields and function fields with cohomological dimension at most 2. I will first recall some old results concerning Galois groups of type , then I will discuss the method introduced by Labute and Schmidt to control the case "S finite" and give some corollaries concerning Tsfasman-Vladuts  `s and I will conclude giving new situations for number fields with (joint work with Blondeau and Maire).


 

page of seminar

20.03.2013 |
 

 

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