Skip to main content
3 events
when toggle format what by license comment
Feb 7, 2017 at 2:53 comment added Ali Caglayan I have always seen the lower central series $\gamma$ indexed from $\gamma_1=G$. I always found this peculiar as the upper central series is indexed from $0$. Perhaps there is good reason to.
Dec 28, 2011 at 10:59 comment added Strongart Thank you,but I do not know much about group theory.For the group algebra kG,we can induce a Lie structure by [a,b]=ab-ba naturelly,that is why I care about the Lie algebra over commutative ring.
Dec 25, 2011 at 10:11 history answered Primoz CC BY-SA 3.0