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RCD(K,N)空间与CAT(κ)空间之间调和映射的Lipschitz连续性

Lipschitz continuity of harmonic maps between ${\rm RCD}(K,N)$ spaces and ${\rm CAT}(κ)$ spaces

Luca Gennaioli

arXiv 2607.27010首次发表:更新:

AI 中文总结

该研究证明了从RCD(K,N)空间到CAT(κ)空间的能量极小调和映射的局部Lipschitz连续性,完善了奇异空间间调和映射的正则性结论,验证了相关不等式变体。

AI 中文摘要

我们将证明:从RCD(K,N)空间内区域Ω出发、像落在CAT(κ)空间内小球中的能量极小调和映射是局部Lipschitz连续的。这完善了奇异空间间调和映射正则性的相关结论,并验证了奇异空间间Bochner-Eells-Sampson不等式的一种变体。

英文摘要

We are going to prove that energy minimizing harmonic maps from a domain $Ω$ inside an ${\rm RCD}(K,N)$ whose image lies in a small ball inside a ${\rm CAT}(κ)$ space are locally Lipschitz continuous. This completes the picture concerning regularity of harmonic maps between singular spaces and justifies a variant of the Bochner-Eells-Sampson inequality between singular spaces.

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