Radford's S^4 formula for co-Frobenius Hopf algebras
Quantum Algebra
2007-05-23 v2
Abstract
This note extends Radford's formula for the fourth power of the antipode of a finite dimensional Hopf algebra to co-Frobenius Hopf algebras and studies equivalent conditions to a Hopf algebra being involutory for finite dimensional and co-Frobenius Hopf algebras.
Keywords
Cite
@article{arxiv.math/0511535,
title = {Radford's S^4 formula for co-Frobenius Hopf algebras},
author = {Margaret Beattie and Daniel Bulacu and Blas Torrecillas},
journal= {arXiv preprint arXiv:math/0511535},
year = {2007}
}
Comments
To appear in Journal of Algebra