Совместный семинар лаборатории Понселе
и сектора Алгебры и теории чисел №4.1 ИППИ РАН
20.03.13 (среда), 17:30, ауд. 304 НМУ
Philippe Lebacque (Laboratoire de Mathematiques, Université de Franche-Comté; Laboratoire Poncelet)
On the Cohomological Dimension of Some Pro-p-Extensions
(О когомологической размерности некоторых про-p-расширений)
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).
| 20.03.2013 | |