Author Archives: Akash Ganguly

It’s pronounced fook-see-an not fyooshun 🙁 Thanks for an awesome class!

Introduction This Friday we went international with a captivating lecture on the Grigorchuk Group and its good buddies given by guest lecturer Professor Rachel Skipper all the way from École Normale Supérieure in Paris! The Automorphisms of the Infinite Binary Rooted … Continue reading →

Serre’s Property FA Welcome to Week 5! I can believe we’re halfway done with this class! We ended Wednesday’s class on free products with a claim : if and is finite, then is conjugate to a subgroup of or . … Continue reading →

Monday’s class brought us back to a claim we made last Wednesday, before our fun Coxeter group excursion. MurphyKate noted that this problem showcased a few things: notably free groups being sneaky and hiding in places we might not expect, … Continue reading →