Averaging antisymmetric infinitesimal bialgebra and perm bialgebras

TL;DR

This paper develops a new bialgebra theory for averaging algebras, introducing averaging antisymmetric infinitesimal bialgebras, and explores their connections to Yang-Baxter solutions, Frobenius algebras, and perm bialgebras.

Contribution

It generalizes antisymmetric infinitesimal bialgebras to averaging algebras, introduces new concepts like $ ext{O}$-operators, and links these structures to perm bialgebras.

Findings

Characterization of averaging antisymmetric infinitesimal bialgebras via Frobenius algebras

Construction of solutions to the Yang-Baxter equation in averaging algebras

Extension of perm bialgebras from averaging algebra frameworks

Abstract

We establish a bialgebra theory for averaging algebras, called averaging antisymmetric infinitesimal bialgebras by generalizing the study of antisymmetric infinitesimal bialgebras to the context of averaging algebras. They are characterized by double constructions of averaging Frobenius algebras as well as matched pairs of averaging algebras. Antisymmetric solutions of the Yang-Baxter equation in averaging algebras provide averaging antisymmetric infinitesimal bialgebras. The notions of an $\mathcal{O}$-operator of an averaging algebra and an averaging dendriform algebra are introduced to construct antisymmetric solutions of the Yang-Baxter equation in an averaging algebra and hence averaging antisymmetric infinitesimal bialgebras. Moreover, we introduce the notion of factorizable averaging antisymmetric infinitesimal bialgebras and show that a factorizable averaging antisymmetric infinitesimal bialgebra leads to a factorization of the underlying averaging algebra. We establish a one-to-one correspondence between factorizable averaging antisymmetric infinitesimal bialgebras and symmetric averaging Frobenius algebras with a Rota-Baxter operator of nonzero weight. Finally, we apply the study of averaging antisymmetric infinitesimal bialgebras to perm bialgebras, extending the construction of perm algebras from commutative averaging algebras to the context of bialgebras, which is consistent with the well constructed theory of perm bialgebras.