New answers tagged

4 votes
Accepted

A confusion about power series and p-adic measures

You are asking about substitution of one power series into another. This can be interpreted in two ways, which ultimately amount to the same thing (like two different ways of thinking about anything) ...
user avatar
  • 41.2k
6 votes
Accepted

Describing the Gamma-transform explicitly in terms of power series

This is a hard problem (and one which is easily overlooked by the unwary)! Just to be clear, I'll summarize (how I think about) the problem: as a relation between additive and multiplicative Fourier ...
user avatar
2 votes

Non-commutative knot invariants

Perhaps one can study non-commutative analogs of the Alexander polynomial which will have significant knot theoretic applications as well, and perhaps one can compute these in some examples. After all ...
user avatar
3 votes
Accepted

What's the class group of $\mathbb{Q}^{\mathrm{ab}}$?

From Armand Brumer, The class group of all cyclotomic integers: As an abelian group, $\mathrm{Pic}(O_\infty)$ is isomorphic to a countable direct sum of copies of $\mathbb Q/\mathbb Z$. Here $O_\...
user avatar
  • 23.3k
6 votes
Accepted

Studying a connection between Iwasawa theory and the $K(n)$-local Picard group by some geometry on the Lubin-Tate stack

A long time ago there were various attempts to make this sort of approach work, but they were not very successful. If you want to try again then you should make sure that you are familiar with the ...
user avatar

Top 50 recent answers are included