On Schultz's generalization of Borweins' cubic identity
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918452597358592 |
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| author | Chan, Heng Huat Chan, Song Heng Liu, Zhi-Guo Zudilin, Wadim |
| author_facet | Chan, Heng Huat Chan, Song Heng Liu, Zhi-Guo Zudilin, Wadim |
| contents | In 1991, the Borweins established a cubic analogue of Jacobi's identity for theta functions, which is used by B.C. Berndt, S. Bhargava, and F.G. Garvan in the development of Ramanujan's cubic theory of elliptic functions. In 2013, D. Schultz discovered an identity for theta series in three variables which generalizes the Borweins' identity. In this article, we revisit Schultz's identity and present two distinct approaches to its derivation. Our investigation not only provides new proofs but also yields several new Schultz-type identities. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2511_15519 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On Schultz's generalization of Borweins' cubic identity Chan, Heng Huat Chan, Song Heng Liu, Zhi-Guo Zudilin, Wadim Number Theory Classical Analysis and ODEs Combinatorics 33E05, 11F27 In 1991, the Borweins established a cubic analogue of Jacobi's identity for theta functions, which is used by B.C. Berndt, S. Bhargava, and F.G. Garvan in the development of Ramanujan's cubic theory of elliptic functions. In 2013, D. Schultz discovered an identity for theta series in three variables which generalizes the Borweins' identity. In this article, we revisit Schultz's identity and present two distinct approaches to its derivation. Our investigation not only provides new proofs but also yields several new Schultz-type identities. |
| title | On Schultz's generalization of Borweins' cubic identity |
| topic | Number Theory Classical Analysis and ODEs Combinatorics 33E05, 11F27 |
| url | https://arxiv.org/abs/2511.15519 |