Variational principles on the space of Lorenz curves: Gradient structures and isometries inspired by Wasserstein geometry
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866918103880826880 |
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| author | Cohen, David W. |
| author_facet | Cohen, David W. |
| contents | We motivate and derive novel Riemannian gradient structures on the space of Lorenz curves, which preserve infinite-dimensional variational principles inherited from Fokker-Planck equations via the lens of Wasserstein geometry and its variants. We also prove isometry results between corresponding formal manifolds of probability measures and Lorenz curves, which suggest meaningful metrics on the space of Lorenz curves when an underlying kinetic premise is present. In so doing, elegant variational principles are imbued upon highly nonlinear and nonlocal integro-differential evolution equations resulting from a recently derived variable transformation of McKean-Vlasov Fokker-Planck equations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_18766 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Variational principles on the space of Lorenz curves: Gradient structures and isometries inspired by Wasserstein geometry Cohen, David W. Analysis of PDEs 58E30, 35A15, 37L05, 35A22, 91B80, 82C31 We motivate and derive novel Riemannian gradient structures on the space of Lorenz curves, which preserve infinite-dimensional variational principles inherited from Fokker-Planck equations via the lens of Wasserstein geometry and its variants. We also prove isometry results between corresponding formal manifolds of probability measures and Lorenz curves, which suggest meaningful metrics on the space of Lorenz curves when an underlying kinetic premise is present. In so doing, elegant variational principles are imbued upon highly nonlinear and nonlocal integro-differential evolution equations resulting from a recently derived variable transformation of McKean-Vlasov Fokker-Planck equations. |
| title | Variational principles on the space of Lorenz curves: Gradient structures and isometries inspired by Wasserstein geometry |
| topic | Analysis of PDEs 58E30, 35A15, 37L05, 35A22, 91B80, 82C31 |
| url | https://arxiv.org/abs/2507.18766 |