2 papers
math.QA2002
Linkable Dynkin Diagrams
Daniel Didt
In this article we develop some aspects of the construction of new Hopf algebras found recently by Andruskiewitsch and Schneider. There the authors classified (under some slight re…
math.QA2002
Pointed Hopf algebras and Quasi-isomorphisms
Daniel Didt
We show that a large class of finite dimensional pointed Hopf algebras is quasi-isomorphic to their associated graded version coming from the coradical filtration, i.e. they are 2-…