Monthly Archives: April 2022

Murphy’s Law for Galois Deformation Rings

Posted on April 23, 2022 by Persiflage

Today’s post is about work of my student Andreea Iorga! A theorem of Ozaki from 2011, perhaps not as widely known as expected, says the following: Theorem: Let \(p\) be prime, and let \(G\) be a finite \(p\)-group. Then there … Continue reading →

Posted in Mathematics, Students, Work of my students | Tagged , , , , , , , , | 11 Comments

What would Deuring do?

Posted on April 13, 2022 by Persiflage

This is an incredibly lazy post, but why not! Matt is running a seminar this quarter on the Weil conjectures. It came up that one possible way to prove the Weil conjectures for elliptic curves over finite fields is to … Continue reading →

Posted in Mathematics | Tagged , , , , , | 3 Comments

A random curve over Q

Posted on April 2, 2022 by Persiflage

Let \(X/\mathbf{Q}\) be a smooth projective curve. I would like to be able to say that the motive \(M\) associated to \(X\) “generally” determines \(X\). That is, I would like to say it in a talk without feeling like I’m … Continue reading →

Posted in Mathematics | Tagged , , | 16 Comments