2 papers
math.NT2025
Multiplicative recurrence of Möbius transformations
Sun-Kai Leung, Christian Táfula
We establish a complete characterization of multiplicative recurrence for images of the positive integers under Möbius transformations, answering a question of Donoso--Le--Moreira…
math.NT2025
Non-vanishing of Dirichlet -functions with smooth conductors
Sun-Kai Leung
Given a large, square-free, smooth conductor, we establish the non-vanishing of the central values for at least of the primitive Dirichlet -functions.