On the notion of a ribbon quasi-Hopf algebra

Autores: Yorck Sommerhäuser
Localización: Revista de la Unión Matemática Argentina, ISSN 0041-6932, ISSN-e 1669-9637, Vol. 51, Nº. 1, 2010, págs. 177-192
Idioma: inglés
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Resumen
- We show that two competing definitions of a ribbon quasi-Hopf algebra are actually equivalent. Along the way, we look at the Drinfel'd element from a new perspective and use this viewpoint to derive its fundamental properties.