Quasiisometric embeddings between right-angled Artin groups: flexibility
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866913122836545536 |
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| author | Bader, Shaked Bensaid, Oussama Petyt, Harry |
| author_facet | Bader, Shaked Bensaid, Oussama Petyt, Harry |
| contents | We give a complete characterisation of when the right-angled Artin group on one cycle graph can be quasiisometrically embedded in the right-angled Artin group on another cycle graph. In particular, we find infinitely many instances of quasiisometric embeddings where there is no subgroup relation. This contrasts with the fact that such groups are quasiisometrically rigid.
More generally, we construct quasiisometric embeddings between graph products of finite or cyclic groups whose underlying graphs are cycles. As a special case, we obtain exotic quasiisometric embeddings of the hyperbolic plane in all right-angled Artin groups whose defining graph contains an induced cycle of length greater than four. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_13314 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quasiisometric embeddings between right-angled Artin groups: flexibility Bader, Shaked Bensaid, Oussama Petyt, Harry Group Theory Metric Geometry We give a complete characterisation of when the right-angled Artin group on one cycle graph can be quasiisometrically embedded in the right-angled Artin group on another cycle graph. In particular, we find infinitely many instances of quasiisometric embeddings where there is no subgroup relation. This contrasts with the fact that such groups are quasiisometrically rigid. More generally, we construct quasiisometric embeddings between graph products of finite or cyclic groups whose underlying graphs are cycles. As a special case, we obtain exotic quasiisometric embeddings of the hyperbolic plane in all right-angled Artin groups whose defining graph contains an induced cycle of length greater than four. |
| title | Quasiisometric embeddings between right-angled Artin groups: flexibility |
| topic | Group Theory Metric Geometry |
| url | https://arxiv.org/abs/2605.13314 |