Heterotopic energy for Sobolev mappings
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866910021774737408 |
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| author | Detaille, Antoine Van Schaftingen, Jean |
| author_facet | Detaille, Antoine Van Schaftingen, Jean |
| contents | We study the notion of heterotopic energy defined as the limit of Sobolev energies of Sobolev mappings in a given homotopy class approximating almost everywhere a given Sobolev mapping. We show that the heterotopic energy is finite if and only if the mappings in the corresponding homotopy classes are homotopic on a codimension one skeleton of a triangulation of the domain. When this is the case, the heterotopic energy of a mapping is the sum of its Sobolev energy and its disparity energy, defined as the minimum energy of a bubble to pass between these homotopy classes. At the more technical level, we rely on a framework that works when the target and domain manifolds are not simply connected and there is no canonical isomorphism between homotopy groups with different basepoints. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2506_16204 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Heterotopic energy for Sobolev mappings Detaille, Antoine Van Schaftingen, Jean Classical Analysis and ODEs Analysis of PDEs Functional Analysis 58D15 (Primary) 46E35, 46T10, 58C25 (Secundary) We study the notion of heterotopic energy defined as the limit of Sobolev energies of Sobolev mappings in a given homotopy class approximating almost everywhere a given Sobolev mapping. We show that the heterotopic energy is finite if and only if the mappings in the corresponding homotopy classes are homotopic on a codimension one skeleton of a triangulation of the domain. When this is the case, the heterotopic energy of a mapping is the sum of its Sobolev energy and its disparity energy, defined as the minimum energy of a bubble to pass between these homotopy classes. At the more technical level, we rely on a framework that works when the target and domain manifolds are not simply connected and there is no canonical isomorphism between homotopy groups with different basepoints. |
| title | Heterotopic energy for Sobolev mappings |
| topic | Classical Analysis and ODEs Analysis of PDEs Functional Analysis 58D15 (Primary) 46E35, 46T10, 58C25 (Secundary) |
| url | https://arxiv.org/abs/2506.16204 |