Rajat Gupta

activity

20232026

collaborators

Showing 2026Show all

2 papers · 1 filter

math.NT2026

Ramanujan's and Lim's Identities and Harmonic Maass--Jacobi Forms

Kathrin Bringmann, Rajat Gupta, Badri Vishal Pandey

We study an extension of Ramanujan's identities for odd zeta values by Lim and introduce Jacobi analogues of classical Eichler integrals of Eisenstein series. In negative weight we…

math.NT2026

A divisor function of Wigert and higher degree forms

Debika Banerjee, Atul Dixit, Rajat Gupta

Let $k \in N$ . Wigert's divisor function $d^{(\frac{1}{k})} (j)$ counts the number of representations of $j$ of the form $m^{k} + mn$ with $m \geq 1, n \geq 0$ . Let $\mat…