Title: Another view of Ferrero--Washington Theorem
Speaker: Jungwon Lee (University of Warwick, UK)
Date: 04 March 2022
Time: 6 pm
Venue: Microsoft Teams (Online)
We reprove the main equidistribution instance in the Ferrero–Washington proof of the vanishing of cyclotomic Iwasawa $\mu$-invariant, based on the ergodicity of a certain $p$-adic skew extension dynamical system that can be identified with Bernoulli shift (joint with Bharathwaj Palvannan).