Analogs of the lower and upper central series in skew braces: a survey
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866911122281463808 |
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| author | Tsang, Cindy |
| author_facet | Tsang, Cindy |
| contents | A skew brace is a ring-like and group-like algebraic structure that was introduced in the study of set-theoretic solutions to the Yang-Baxter equation. In this survey paper, we shall consider the left series, right series, socle series, and annihilator series of skew braces. They may be regarded as analogs of the lower and upper central series of groups. Other than some well-known facts regarding these series, we shall prove several new results about the relationship among their terms. We shall also consider the lower central series of skew braces that was defined by Bonatto and Jedlička. As we shall explain, it seems to be the ``correct" analog of the lower central series for skew braces. Concerning this, we shall also discuss the notion of the lower central series of ideals that is due to Ballester-Bolinches et al. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2503_01366 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Analogs of the lower and upper central series in skew braces: a survey Tsang, Cindy Group Theory Quantum Algebra 20N99, 20F14, 20F19 A skew brace is a ring-like and group-like algebraic structure that was introduced in the study of set-theoretic solutions to the Yang-Baxter equation. In this survey paper, we shall consider the left series, right series, socle series, and annihilator series of skew braces. They may be regarded as analogs of the lower and upper central series of groups. Other than some well-known facts regarding these series, we shall prove several new results about the relationship among their terms. We shall also consider the lower central series of skew braces that was defined by Bonatto and Jedlička. As we shall explain, it seems to be the ``correct" analog of the lower central series for skew braces. Concerning this, we shall also discuss the notion of the lower central series of ideals that is due to Ballester-Bolinches et al. |
| title | Analogs of the lower and upper central series in skew braces: a survey |
| topic | Group Theory Quantum Algebra 20N99, 20F14, 20F19 |
| url | https://arxiv.org/abs/2503.01366 |