2 papers
math.NT2006
Integrable systems and modular forms of level 2
Mark J Ablowitz, Sarbarsh Chakravarty, Heekyoung Hahn
A set of nonlinear differential equations associated with the Eisenstein series of the congruent subgroup of the modular group is constructed. These non…
math.NT2006
On zeros of Eisenstein series for genus zero Fuchsian groups
Heekyoung Hahn
Let $\GN\leq\SLR$ be a genus zero Fuchsian group of the first kind with as a cusp, and let $\Ek$ be the holomorphic Eisenstein series of weight on $\GN$ that is nonva…