A map between arborifications of multiple zeta values
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908507675033600 |
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| author | Fan, Ku-Yu |
| author_facet | Fan, Ku-Yu |
| contents | Arborified multiple zeta values are a generalization of multiple zeta values associated with rooted trees. There are two types of decorated rooted trees, corresponding respectively to the series and the integral expressions. Manchon introduces the contracting arborification (resp. the simple arborification), which is maps from the BCK Hopf algebras of the decorated rooted trees corresponding to the series expression (resp. the integral expression) to the non-commutative polynomial algebras of the set $\mathbb{N}$ (resp. the set $\{0,1\}$). There is a natural map between the two non-commutative polynomial algebras. Manchon posed the question of finding a natural map between the two BCK Hopf algebras that would make the diagram commutative. In this paper, we consider planar rooted trees and use a recursive method to construct such a map between the two BCK Hopf algebras, making the diagram commutative. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2508_20387 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A map between arborifications of multiple zeta values Fan, Ku-Yu Number Theory Combinatorics 11M32 (Primary) 16T05, 05C05 (Secondary) Arborified multiple zeta values are a generalization of multiple zeta values associated with rooted trees. There are two types of decorated rooted trees, corresponding respectively to the series and the integral expressions. Manchon introduces the contracting arborification (resp. the simple arborification), which is maps from the BCK Hopf algebras of the decorated rooted trees corresponding to the series expression (resp. the integral expression) to the non-commutative polynomial algebras of the set $\mathbb{N}$ (resp. the set $\{0,1\}$). There is a natural map between the two non-commutative polynomial algebras. Manchon posed the question of finding a natural map between the two BCK Hopf algebras that would make the diagram commutative. In this paper, we consider planar rooted trees and use a recursive method to construct such a map between the two BCK Hopf algebras, making the diagram commutative. |
| title | A map between arborifications of multiple zeta values |
| topic | Number Theory Combinatorics 11M32 (Primary) 16T05, 05C05 (Secondary) |
| url | https://arxiv.org/abs/2508.20387 |