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We construct a nil algebra over a countable field which has finite but non-zero Gelfand-Kirillov dimension.

Rings and Algebras · Mathematics 2007-05-23 T H Lenagan , Agata Smoktunowicz

It is shown that over an arbitrary countable field, there exists a finitely generated algebra that is nil, infinite dimensional, and has Gelfand-Kirillov dimension at most three.

Rings and Algebras · Mathematics 2010-08-27 T H Lenagan , Agata Smoktunowicz , Alexander Young

We describe simple finitely generated associative conformal algebras of Gel'fand--Kirillov dimension one.

Rings and Algebras · Mathematics 2007-05-23 Pavel Kolesnikov

We show that if $k$ is a countable field, then there exists a finitely generated, infinite-dimensional, primitive algebraic $k$-algebra $A$ whose Gelfand-Kirillov dimension is at most six. In addition to this we construct a two-generated…

Rings and Algebras · Mathematics 2010-11-19 Jason P. Bell , Lance W. Small , Agata Smoktunowicz

For central simple finitely generated algebras of finite Gelfand-Kirillov dimension and for their division algebras upper bounds are obtained for the transcendence degree of their commutative subalgebras and subfields respectively. In the…

Rings and Algebras · Mathematics 2007-05-23 V. Bavula

Let $\mathcal{O}_q(G)$ be the quantized algebra of regular functions on a semisimple simply connected compact Lie group $G$. Simple unitarizable left $\mathcal{O}_q(G)$-module are classified. In this article, we compute their…

Operator Algebras · Mathematics 2017-09-26 Partha Sarathi Chakraborty , Bipul Saurabh

The Gelfand--Kirillov dimension has gained importance since its introduction as an tool in the study of non-commutative infinite dimensional algebras and their modules. In this paper we show a dichotomy for the Gelfand--Kirillov dimension…

Rings and Algebras · Mathematics 2016-12-28 Ashish Gupta , Arnab Dey Sarkar

Smoktunowicz, Lenagan, and the second-named author recently gave an example of a nil algebra of Gelfand-Kirillov dimension at most three. Their construction requires a countable base field, however. We show that for any field $k$ and any…

Rings and Algebras · Mathematics 2011-02-03 Jason P. Bell , Alexander A. Young

Let $A$ be a finitely generated $K$-algebra that is a domain of GK dimension less than 3, and let $Q(A)$ denote the quotient division algebra of $A$. We show that if $D$ is a division subalgebra of $Q(A)$ of GK dimension at least 2 then…

Rings and Algebras · Mathematics 2007-08-21 Jason P. Bell

Let $H$ be a pointed Hopf algebra over an algebraically closed field of characteristic zero. If $H$ is a domain with finite Gelfand-Kirillov dimension greater than or equal to two, then $H$ contains a Hopf subalgebra of Gelfand-Kirillov…

Rings and Algebras · Mathematics 2011-05-04 Guangbin Zhuang

We study growth and complexity of \'etale groupoids in relation to growth of their convolution algebras. As an application, we construct simple finitely generated algebras of arbitrary Gelfand-Kirillov dimension $\ge 2$ and simple finitely…

Rings and Algebras · Mathematics 2015-01-06 Volodymyr Nekrashevych

We first offer a fast method for calculating the Gelfand-Kirillov dimension of a finitely presented commutative algebra by investigating certain finite set. Then we establish a Groebner-Shirshov bases theory for bicommutative algebras, and…

Rings and Algebras · Mathematics 2021-07-02 Yuxiu Bai , Yuqun Chen , Zerui Zhang

Let g be a finite dimensional simple Lie algebra over an algebraically closed field of characteristic zero. We show that if the Gelfand-Kirillov conjecture holds for g, then g has type A_n, C_n or G_2.

Representation Theory · Mathematics 2015-05-13 Alexander Premet

Let $H$ be a pointed Hopf algebra. We show that under some mild assumptions $H$ and its associated graded Hopf algebra $\gr H$ have the same Gelfand-Kirillov dimension. As an application, we prove that the Gelfand-Kirillov dimension of a…

Rings and Algebras · Mathematics 2012-11-20 Guangbin Zhuang

For the $n$-dimensional multiparameter quantum torus algebra $\Lambda_{\mathfrak q}$ over a field $k$ defined by a multiplicatively antisymmetric matrix $\mathfrak q = (q_{ij})$ we show that in the case when the torsion-free rank of the…

Rings and Algebras · Mathematics 2019-07-10 Ashish Gupta , Umamaheswaran Arunachalam

Let $k$ be a field. We show that a finitely generated simple Goldie $k$-algebra of quadratic growth is noetherian and has Krull dimension 1. Thus a simple algebra of quadratic growth is left noetherian if and only if it is right noetherian.…

Rings and Algebras · Mathematics 2007-12-31 Jason P. Bell

We consider the infinite dimensional Grassmann algebra E over a field F of characteristic 0 or p, where p>2, and we compute its Z_2-graded Gelfand-Kirillov dimension as a Z_2-graded PI-algebra.

Rings and Algebras · Mathematics 2014-02-07 Lucio Centrone

Let $\Lambda$ be a finite dimensional algebra over an algebraically closed field $k$. We survey some results on algebras of finite global dimension and address some open problems.

Representation Theory · Mathematics 2012-09-11 Dieter Happel , Dan Zacharia

It is well known that a finite-dimensional Lie algebra over a field of characteristic zero is simple exactly when its derivation algebra is simple. In this paper we characterize those Lie algebras of arbitrary dimension over any field that…

Rings and Algebras · Mathematics 2025-01-28 Jörg Feldvoss , Salvatore Siciliano

We classify connected Hopf algebras of Gelfand-Kirillov dimension 4 over an algebraic closed field of characteristic zero.

Rings and Algebras · Mathematics 2013-02-12 D. -G. Wang , J. J. Zhang , G. Zhuang
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