Level aspect subconvexity for $\text{GL(2)}\times \text{GL(2)}$ $\text{L}$-functions

Keshav Aggarwal, Sumit Kumar, Chung-Hang Kwan +3

Let $f$ be a newform of prime level $p$ with any central character $\chi (\mathrm{mod}p)$, and let $g$ be a fixed cusp form or Eisenstein series for ${SL}_2(\mathbb{Z})$. We prov…