2 papers
math.NT2026
Sums of Kloosterman sums formed with modular symbols
Nikolaos Diamantis, Solomon Friedberg, Fredrik Strömberg
We study sums of Kloosterman sums formed with a modular symbol. Employing Tauberian methods, we first give an estimate for a (Riesz) sum of Ramanujan sums formed with a modular sym…
math.NT2024
Doubling constructions: Global functoriality for non-generic cuspidal representations
Yuanqing Cai, Solomon Friedberg, Eyal Kaplan
We study the generalized doubling method for pairs of representations of where is a symplectic group, split special orthogonal group or split general spin group.…