Group cohomology and lattice invariants of real quadratic fieldsMPIM

by Milton Espinoza (Universidad de La Serena)

Tuesday Jan 21, 2025, 2:30 PM → 3:30 PM Europe/Berlin

MPIM, Vivatsgasse, 7 - Lecture Hall (Max Planck Institute for Mathematics)

Number theory lunch seminar

In this talk we will discuss an approach to the computation of units generating Abelian extensions of real quadratic fields by means of group cohomology. These units depend in general on lattices rather than on ideals of maximal orders.