Extension of Maschke's theorem

T Suksumran - Communications in Algebra, 2019 - Taylor & Francis
In the present article, we examine linear representations of finite gyrogroups, following their
group-counterparts. In particular, we prove Maschke's theorem for gyrogroups, along with its …

An inductive method for separable deformations

A Amsalem, Y Ginosar - The Quarterly Journal of Mathematics, 2024 - academic.oup.com
ABSTRACT The Donald–Flanigan conjecture asserts that any group algebra of a finite
group has a separable deformation. We apply an inductive method to deform group …

Inductive method for separable deformations

Y Ginosar, A Amsalem - arXiv preprint arXiv:2306.16727, 2023 - arxiv.org
The Donald-Flanigan conjecture asserts that any group algebra of a finite group has a
separable deformation. We apply an inductive method to deform group algebras from …

Hecke algebras, 𝑈_ {𝑞} 𝑠𝑙_ {𝑛}, and the Donald-Flanigan conjecture for 𝑆_ {𝑛}

M Gerstenhaber, M Schaps - Transactions of the American Mathematical …, 1997 - ams.org
The Donald–Flanigan conjecture asserts that the integral group ring $\mathbb {Z} G $ of a
finite group $ G $ can be deformed to an algebra $ A $ over the power series ring $\mathbb …

Separable deformations of the generalized quaternion group algebras

Y Ginosar - Journal of Group Theory, 2020 - degruyter.com
The group algebras k⁢ Q 2 n of the generalized quaternion groups Q 2 n over fields k which
contain 𝔽 2 n-2 are deformed to separable k⁢((t))-algebras [k⁢ Q 2 n] t. The dimensions of …

Separable deformations for a family of metacyclic group algebras

A Amsalem - 2019 - search.proquest.com
Given an algebra over a field k, a deformation of it, is a special kind of an algebra over k
((t))(the field of fractions of the power series ring over k). The JD Donald and FJ Flanigan …

A separable deformation of the quaternion group algebra

N Barnea, Y Ginosar - Proceedings of the American Mathematical Society, 2008 - ams.org
The Donald-Flanigan conjecture asserts that for any finite group $ G $ and any field $ k $,
the group algebra $ kG $ can be deformed to a separable algebra. The minimal unsolved …

[PDF][PDF] On the Plesken Lie algebra defined over finite field

J Cullinan, M Merling - faculty.bard.edu
Let G be a finite group. The Plesken Lie algebra is a subalgebra of the complex group
algebra C [G] and admits a direct-sum decomposition into simple Lie algebras. We describe …

A group-theoretic consequence of the Donald-Flanigan conjecture

M Gerstenhaber, DJ Green - Journal of Algebra, 1994 - Elsevier
Abstract The Donald-Flanigan conjecture asserts that for any finite group G and prime p
dividing its order# G, the group algebra F p G can be deformed into a semisimple, and …

[PDF][PDF] 1 A brief introduction to modular representation theory

J Chuang, J Rickard - … Editor: Professor NJ Hitchin, Mathematical Institute … - maths.ed.ac.uk
Let G be a finite group and k, for simplicity, be an algebraically closed field. Then to give a
representation of G over a field k is equivalent to giving a module for the group algebra kG …