Relations and Derivatives of Multiple Eisenstein Series
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866908822295019520 |
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| author | Bachmann, Henrik Kanno, Hayato |
| author_facet | Bachmann, Henrik Kanno, Hayato |
| contents | In this paper, we study multiple Eisenstein series, which build a natural bridge between the theory of multiple zeta values and modular forms. We prove a large family of relations among these series and propose an explicit conjectural formula for their derivatives. This formula is expressed using the double shuffle structure and the Drop1 operator introduced by Hirose, Maesaka, Seki, and Watanabe. Based on this, we propose a family of linear relations that is conjectured to generate all linear relations among multiple Eisenstein series. Motivated by this conjecture, we introduce a space of formal multiple Eisenstein series and show that it is an $\mathfrak{sl}_2$-algebra. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_08176 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Relations and Derivatives of Multiple Eisenstein Series Bachmann, Henrik Kanno, Hayato Number Theory Quantum Algebra 11F11, 11M32 (Primary), 13N15, 16T30 (Secondary) In this paper, we study multiple Eisenstein series, which build a natural bridge between the theory of multiple zeta values and modular forms. We prove a large family of relations among these series and propose an explicit conjectural formula for their derivatives. This formula is expressed using the double shuffle structure and the Drop1 operator introduced by Hirose, Maesaka, Seki, and Watanabe. Based on this, we propose a family of linear relations that is conjectured to generate all linear relations among multiple Eisenstein series. Motivated by this conjecture, we introduce a space of formal multiple Eisenstein series and show that it is an $\mathfrak{sl}_2$-algebra. |
| title | Relations and Derivatives of Multiple Eisenstein Series |
| topic | Number Theory Quantum Algebra 11F11, 11M32 (Primary), 13N15, 16T30 (Secondary) |
| url | https://arxiv.org/abs/2602.08176 |