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Quantum modular forms from real-quadratic double sums.
- Source :
- Quarterly Journal of Mathematics; Sep2023, Vol. 74 Issue 3, p1085-1118, 34p
- Publication Year :
- 2023
-
Abstract
- In 2015, Lovejoy and Osburn discovered 12 q -hypergeometric series and proved that their Fourier coefficients can be understood as counting functions of ideals in certain quadratic fields. In this paper, we study their modular and quantum modular properties and show that they yield three vector-valued quantum modular forms on the group |$\Gamma_0 (2)$|. [ABSTRACT FROM AUTHOR]
- Subjects :
- MODULAR forms
QUADRATIC fields
MODULAR groups
Subjects
Details
- Language :
- English
- ISSN :
- 00335606
- Volume :
- 74
- Issue :
- 3
- Database :
- Complementary Index
- Journal :
- Quarterly Journal of Mathematics
- Publication Type :
- Academic Journal
- Accession number :
- 171966400
- Full Text :
- https://doi.org/10.1093/qmath/haad005