Isomorphism of cosymplectomorphism groups implies diffeomorphism of manifolds
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866915779219292160 |
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| author | Djoukeng, Etienne Tchuiaga, Stephane |
| author_facet | Djoukeng, Etienne Tchuiaga, Stephane |
| contents | We prove that if two closed, connected, regular cosymplectic manifolds have isomorphic groups of cosymplectomorphisms (as topological groups), then the underlying manifolds are diffeomorphic. The proof proceeds by characterizing the Reeb flow as the center of the group and descending the isomorphism to the symplectic base manifolds. We show that the isomorphism preserves the conjugacy class of the monodromy of the mapping torus, which ensures that the bundle structures, and thus the total spaces are equivalent. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_06309 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Isomorphism of cosymplectomorphism groups implies diffeomorphism of manifolds Djoukeng, Etienne Tchuiaga, Stephane Symplectic Geometry Differential Geometry 53D10, 20E32, 37J35, 20F05 We prove that if two closed, connected, regular cosymplectic manifolds have isomorphic groups of cosymplectomorphisms (as topological groups), then the underlying manifolds are diffeomorphic. The proof proceeds by characterizing the Reeb flow as the center of the group and descending the isomorphism to the symplectic base manifolds. We show that the isomorphism preserves the conjugacy class of the monodromy of the mapping torus, which ensures that the bundle structures, and thus the total spaces are equivalent. |
| title | Isomorphism of cosymplectomorphism groups implies diffeomorphism of manifolds |
| topic | Symplectic Geometry Differential Geometry 53D10, 20E32, 37J35, 20F05 |
| url | https://arxiv.org/abs/2602.06309 |