2 papers
math.NT2025
The hyperbolic circle problem over Heegner points
Dimitrios Chatzakos, Giacomo Cherubini, Stephen Lester +1
For the full modular group, we obtain a logarithmic improvement on Selberg's long-standing bound for the error term of the counting function in the hyperbolic circle problem over H…
math.NT2024
Coprime-Universal Quadratic Forms
Matteo Bordignon, Giacomo Cherubini
Given a prime , we characterize positive-definite integral quadratic forms that are coprime-universal for , i.e. representing all positive integers coprime to . This gen…