Quantum modular forms and Hecke operators

Abstract

It is known that there is an one-to-one correspondence among the space of cusp forms, the space of homogeneous period polynomials and the space of Dedekind symbols with polynomial reciprocity laws. We add one more space, the space of quantum modular forms with polynomial period functions, to extend results from Fukuhara. Also, we consider Hecke operators on the space of quantum modular forms and construct new quantum modular forms.

arXiv comment15 pages, corrected typos, added the Lemma 4.1 that helps us to find more examples using SAGE

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