On the existence and prolongation of infinitesimal isometries on special sub-Riemannian manifolds
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866917792704364544 |
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| author | Grochowski, Marek |
| author_facet | Grochowski, Marek |
| contents | In the present paper we deal with (local) infinitesimal isometries of special sub-Riemannian manifolds (a contact and oriented sub-Riemannian manifold is called special if the Reeb vector field is an isometry). The objective of the paper is to find some conditions on such manifolds which allow one to construct, locally around a given point, infinitesimal isometries and then, possibly, to prolong them onto bigger domains. The mentioned conditions are related to the so-called $\is^*$-regular and $\is$-regular points, the notions introduced by Nomizu in [22] in the Riemannian setting and slightly modified by the author. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_00786 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On the existence and prolongation of infinitesimal isometries on special sub-Riemannian manifolds Grochowski, Marek Differential Geometry 53C17 In the present paper we deal with (local) infinitesimal isometries of special sub-Riemannian manifolds (a contact and oriented sub-Riemannian manifold is called special if the Reeb vector field is an isometry). The objective of the paper is to find some conditions on such manifolds which allow one to construct, locally around a given point, infinitesimal isometries and then, possibly, to prolong them onto bigger domains. The mentioned conditions are related to the so-called $\is^*$-regular and $\is$-regular points, the notions introduced by Nomizu in [22] in the Riemannian setting and slightly modified by the author. |
| title | On the existence and prolongation of infinitesimal isometries on special sub-Riemannian manifolds |
| topic | Differential Geometry 53C17 |
| url | https://arxiv.org/abs/2410.00786 |