---
date: 2021-04-29
tags: [ web/quick-notes ]
---

![](Seminars%20and%20Talks/2021-04-29%20The%20Galois%20Action%20on%20Symplectic%20K%20Theory)

![](Seminars%20and%20Talks/2021-04-29_2%20Yves%20Andre%20On%20the%20canonical,%20fpqc%20and%20finite%20topologies)

![](Seminars%20and%20Talks/2021-04-29_3%20Ribet%20Class%20groups%20and%20Galois%20representations)