ICTP Mathematics Seminar - TODAY at 16:00

[Margherita Di Giovannantonio]

M A T H E M A T I C S   S E M I N A R S   2015

Monday, 14 September, at 16:00 hrs.



Ibrahim Nonkane(Université Ouga2, Burkina Faso)


Title:
Noetherian Operators and the Weyl algebra



Abstract:
We give an explicit and purely algebraic proof for the existence of 
noetherian dierential operators for primary ideals of polynomial 
algebras. The proof of this important result in uses complicated 
algebraic and analytic techniques. Later U. Oberst gave an elementary 
and constructive proof . In this talk we propose a different proof from 
the one of U. Oberst. The proof requires several steps. First we use 
Noether's Normalization Theorem for prime ideals  and reduce the proof 
to the case when P is a maximal ideal.
In this situation we employ Kashiwara's Decomposition theorem  to reduce 
the proof to n=1.



VENUE:
Luigi Stasi Seminar Room (ICTP Leonardo da Vinci Building, first floor)