P. Koymans

activity

20162026

16

-rank of class groups of

Q (- 2 p)

for primes

p \equiv 1 mod 4

11 citations · 57 across the 34 of their papers we have counts for

collaborators

Showing 2019Show all

2 papers · 1 filter

math.NT2019★ 5 cited

Higher genus theory

Peter Koymans, Carlo Pagano

In $1801$ , Gauss found an explicit description, in the language of binary quadratic forms, for the $2$ -torsion of the narrow class group and dual narrow class group of a quadratic…

math.NT2019★ 2 cited

On the negative Pell equation

Stephanie Chan, Peter Koymans, Djordjo Milovic +1

Using a recent breakthrough of Smith, we improve the results of Fouvry and Klüners on the solubility of the negative Pell equation. Let $D$ denote the set of fundamental…