2 papers
math.NT2026
A two-dimensional delta symbol method and its application to pairs of quadratic forms
Junxian Li, Simon L. Rydin Myerson, Pankaj Vishe
We present a two-dimensional delta symbol method that facilitates a version of the Kloosterman refinement of the circle method, addressing a question posed by Heath-Brown. As an ap…
math.NT2025
A higher rank shifted convolution problem with applications to L-functions
Valentin Blomer, Junxian Li
While several instances of shifted convolution problems for GL(3) x GL(2) have been solved, the case where one factor is the classical divisor function and one factor is a GL(3) Fo…