Title of article :
Coalgebras of words and phrases
Author/Authors :
Vladimir Turaev، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2007
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 :
Words , Phrases , pre-Lie algebras , Hopf algebras , coalgebras
Journal title :
Journal of Algebra
Journal title :
Journal of Algebra