Omschrijving
Gallagher’s theorem describes the multiplicative diophantine approximation rate of a typical vector. We establish a fully inhomogeneous version of Gallagher’s theorem, a diophantine fibre refinement, and a sharp and unexpected threshold for Liouville fibres.
Sam Chow, University of Warwick, Coventry, United Kingdom, and Niclas Technau, Max Planck Institute for Mathematics, Bonn, Germany.