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Double extensions of Lie superalgebras in characteristic 2
时间  Datetime
2018-05-16 09:00 — 10:00 
地点  Venue
Middle Lecture Room
报告人  Speaker
Sofiane BOUARROUDJ
单位  Affiliation
New York University (Abu Dhabi)
邀请人  Host
Mounir HAJLI
报告摘要  Abstract

A Lie algebra with a non-degenerate invariant symmetric bilinear form will be
called a nis-Lie algebra. The double extension of a Lie (super)algebra with a homogenous non-degenerate symmetric invariant bilinear form is the result of simultaneously adding to it a central element and an outer derivation so that the larger algebra is also nis.
We consider double extensions of Lie superalgebras in characteristic 2, and concentrate on peculiarities of these notions related with the possibility for the bilinear
form and the derivation to be odd. Two Lie superalgebras have been discovered by
this method indigenous to the characteristic 2.
This is a joint work with Said Benayadi.