Coalgebras of words and phrases
Quantum Algebra
2007-05-23 v1 Combinatorics
Abstract
We introduce two constructions of a coassociative comultiplication in the algebra of phrases in a given alphabet. As a preliminary step we give two constructions of a pre-Lie comultiplication in the module generated by words.
Keywords
Cite
@article{arxiv.math/0408258,
title = {Coalgebras of words and phrases},
author = {Vladimir Turaev},
journal= {arXiv preprint arXiv:math/0408258},
year = {2007}
}