nilpotent variety
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2019 ◽  
Vol 18 (03) ◽  
pp. 1950056
Author(s):  
Cong Chen

In the late 1980s, Premet conjectured that the nilpotent variety of any finite dimensional restricted Lie algebra over an algebraically closed field of characteristic [Formula: see text] is irreducible. This conjecture remains open, but it is known to hold for a large class of simple restricted Lie algebras, e.g. for Lie algebras of connected algebraic groups, and for Cartan series [Formula: see text] and [Formula: see text]. In this paper, with the assumption that [Formula: see text], we confirm this conjecture for the minimal [Formula: see text]-envelope [Formula: see text] of the Zassenhaus algebra [Formula: see text] for all [Formula: see text].


2017 ◽  
Vol 17 (5) ◽  
pp. 71-80
Author(s):  
T.V. Skoraya ◽  
Yu.Yu. Frolova

The paper is devoted to two new results concerning varieties of Leibniz algebras. In case of prime characteristic p we construct an example of a non-nilpotent variety of Leibniz algebras with Engel condition. In case of field of characteristic zero we obtain a new result concerning the space of multilinear componentsof the variety of left-nilpotent Leibniz algebra of class three.


2017 ◽  
Vol 21 (3) ◽  
pp. 21-28
Author(s):  
S.P. Mishchenko ◽  
O.V. Shulezhko

A well founded way of researching the linear algebra is the study of it using the identities, consequences of which is the identity of nilpotent. We know the Nagata-Higman’s theorem that says that associative algebra with nil condition of limited index over a field of zero characteristic is nilpotent. It is well known the result of E.I.Zel’manov about nilpotent algebra with Engel identity. A set of linear algebras where a fixed set of identities takes place, following A.I. Maltsev, is called a variety. The variety is called almost nilpotent if it is not nilpotent, but each its own subvariety is nilpotent. Here in the case of the main field with zero characteristic, we proved that for any positive integer m there exist commutative metabelian almost nilpotent variety of exponent is equal to m.


2016 ◽  
Vol 20 (16) ◽  
pp. 451-481 ◽  
Author(s):  
Lucas Fresse ◽  
Kyo Nishiyama
Keyword(s):  

2014 ◽  
Vol 33 (1) ◽  
pp. 123-132
Author(s):  
Manuel Arenas ◽  
Alicia Labra

2013 ◽  
Vol 199 (1) ◽  
pp. 241-257 ◽  
Author(s):  
S. Mishchenko ◽  
A. Valenti
Keyword(s):  

2006 ◽  
Vol 182 ◽  
pp. 285-311 ◽  
Author(s):  
Toshiyuki Tanisaki ◽  
Nanhua Xi

AbstractAccording to Kazhdan-Lusztig and Ginzburg, the Hecke algebra of an affine Weyl group is identified with the equivariant K-group of Steinberg’s triple variety. The K-group is equipped with a filtration indexed by closed G-stable subvarieties of the nilpotent variety, where G is the corresponding reductive algebraic group over ℂ. In this paper we will show in the case of type A that the filtration is compatible with the Kazhdan-Lusztig basis of the Hecke algebra.


2002 ◽  
Vol 132 (2) ◽  
pp. 193-196 ◽  
Author(s):  
PAVEL SHUMYATSKY

Given positive integers k and n, let [Xfr ] be the class of all groups G such that γk(G) is locally nilpotent and [x1, x2, …, xk]n = 1 for any x1, x2, …, xk ∈ G. It is shown that [Xfr ] is a variety.


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