Remarks on the heat flow of harmonic maps into CAT(0)-spaces
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866918382070136832 |
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| author | Lin, Fanghua Wang, Changyou |
| author_facet | Lin, Fanghua Wang, Changyou |
| contents | In this paper, we present an alternate, elementary proof of the local Lipschitz regularity of the suitable weak solution of heat flow of harmonic maps into CAT(0)-metric spaces, whose existence was established by Lin, Segatti, Sire, and Wang through an elliptic regularization approach. The ideas of the proof are inspired by Korevaar and Schoen, and they work for any CAT(0)-metric space $(X,d)$ as the target and any complete Riemanan manifold $(M,g)$, with positive injectivity radius and bounded curvature, as the domain. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_10411 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Remarks on the heat flow of harmonic maps into CAT(0)-spaces Lin, Fanghua Wang, Changyou Analysis of PDEs In this paper, we present an alternate, elementary proof of the local Lipschitz regularity of the suitable weak solution of heat flow of harmonic maps into CAT(0)-metric spaces, whose existence was established by Lin, Segatti, Sire, and Wang through an elliptic regularization approach. The ideas of the proof are inspired by Korevaar and Schoen, and they work for any CAT(0)-metric space $(X,d)$ as the target and any complete Riemanan manifold $(M,g)$, with positive injectivity radius and bounded curvature, as the domain. |
| title | Remarks on the heat flow of harmonic maps into CAT(0)-spaces |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2603.10411 |