
I will construct a tower of strongly reflective modular forms of type $nA_1$. Moreover I give other examples of modular forms (including modular of singular weight) related to the Jacobi theta-series. This is a joint work (in progress) with V. Gritsenko.
Links:
[1] http://www.mpim-bonn.mpg.de/taxonomy/term/39
[2] http://www.mpim-bonn.mpg.de/node/3444
[3] http://www.mpim-bonn.mpg.de/node/178