A Class of Non-Hopf Bi-Frobenius Algebras Generated by <i>n</i> Elements

Bi-Frobenius algebras are a class of Frobenius algebras and Frobenius coalgebras with some compatible conditions. In this paper, we construct a class of bi-Frobenius algebras generated by <i>n</i> elements on graded algebra <inline-formula><math xmlns="http://www.w3.org/199...

Full description

Saved in:
Bibliographic Details
Main Authors: Zhan Fa, Yanhua Wang
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/13/8/1357
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Bi-Frobenius algebras are a class of Frobenius algebras and Frobenius coalgebras with some compatible conditions. In this paper, we construct a class of bi-Frobenius algebras generated by <i>n</i> elements on graded algebra <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>A</mi><mo>.</mo></mrow></semantics></math></inline-formula> The comultiplication and counit are defined via a permutation <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>π</mi></semantics></math></inline-formula> on <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>A</mi><mo>,</mo></mrow></semantics></math></inline-formula> such that <i>A</i> becomes a bi-Frobenius algebra. For any <i>n</i>, these bi-Frobenius algebras are neither Hopf algebras nor S-type bi-Frobenius algebras.
ISSN:2227-7390