Duality for Generalised Differentials on Quantum Groups and Hopf quivers

Shahn Majid, Wenqing Tao

We study generalised differential structures ${\Omega }^1,d$ on an algebra $A$, where $A\tens A\to Ω^1$ given by $a\tens b\to a d b$ need not be surjective. The finite set case corresponds…