published on May 20, 2026
A dichotomy in the tail behaviour of quadratic Weyl sums
By Francesco Cellarosi
By Anish Ghosh
Appears in collections : Homogeneous spaces, diophantine approximation and stationary measures / Espaces homogenes. Approximation diophantienne. Mesures stationnaires, Ecoles de recherche
I will discuss approaches to several problems concerning values of linear and quadratic forms using the ergodic theory of group actions on the space of unimodular lattices, and more generally, on homogeneous spaces of semisimple Lie groups.