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| Main Author: | |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2401.05977 |
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Table of Contents:
- In this survey we focus on a special class of homogeneous manifolds called Thurston geometries. We give special attention to the four-dimensional Thurston geometries with 4 or 5-dimensional isometry group which are not a product (except for $\mathrm F^4$). These are the manifolds $\mathrm{Sol}^4_0$, $\mathrm{Sol}^4_1$, $\mathrm{Sol}^4_{m,n}$ and $\mathrm{Nil}^4$. We give a description of each of the spaces and we exhibit all Riemannian metrics which are invariant under the action of their associated group (this last part includes some small new results).