Modular properties of elliptic algebras

Alex Chirvasitu, Ryo Kanda, S. Paul Smith

Fix a pair of relatively prime integers $n>k\ge 1$, and a point $(\eta |\tau )\in \mathbb{C}\times \mathbb{H}$, where $\mathbb{H}$ denotes the upper-half complex plane, and let ${{a\;\,b…