Abstract
In this work, we use Jacobi’s derivative formula to obtain analogues to theta constants with rational characteristics. Furthermore, we show that the analogues yield many product-series identities by only using the elementary fact that a holomorphic elliptic function is a constant.
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Acknowledgments
We are grateful to Professor K. Nishiyama and Professor K. S. Williams for their useful comments.
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Matsuda, K. Analogues of Jacobi’s derivative formula II. Ramanujan J 44, 37–62 (2017). https://doi.org/10.1007/s11139-016-9803-3
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DOI: https://doi.org/10.1007/s11139-016-9803-3
Keywords
- Theta functions
- Rational characteristics
- Theta constants
- Jacobi’s derivative formula
- Product-series identity