Partial Hölder regularity for fully nonlinear nonlocal parabolic equations with integrable kernels
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866911390225137664 |
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| author | Kim, Minhyun Schleef, Luke Schwab, Russell W. |
| author_facet | Kim, Minhyun Schleef, Luke Schwab, Russell W. |
| contents | In this work, we consider solutions to (fully nonlinear) parabolic integro-differential equations with integrable interaction kernels. A typical equation would be that obtained by starting with, for $s\in(0,1)$, the $s$-fractional heat equation, but replacing the interaction kernel in the integro-differential term with one which has been truncated, for $ρ>0$, at the value $ρ^{-d-2s}$, hence integrable. We show that solutions to these equations have a partial regularity estimate which captures differences of the solution up to the scale at which the kernel has a truncation in its singularity. The estimates we provide are robust with respect to the truncation parameter, and they include the existing results for the original operators without truncation. There are some earlier results for linear and elliptic cases of this situation of integrable interaction kernels, and so our work is a generalization of those to the nonlinear and parabolic setting. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_15096 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Partial Hölder regularity for fully nonlinear nonlocal parabolic equations with integrable kernels Kim, Minhyun Schleef, Luke Schwab, Russell W. Analysis of PDEs 45K05, 35K55, 35D40, 35B65 In this work, we consider solutions to (fully nonlinear) parabolic integro-differential equations with integrable interaction kernels. A typical equation would be that obtained by starting with, for $s\in(0,1)$, the $s$-fractional heat equation, but replacing the interaction kernel in the integro-differential term with one which has been truncated, for $ρ>0$, at the value $ρ^{-d-2s}$, hence integrable. We show that solutions to these equations have a partial regularity estimate which captures differences of the solution up to the scale at which the kernel has a truncation in its singularity. The estimates we provide are robust with respect to the truncation parameter, and they include the existing results for the original operators without truncation. There are some earlier results for linear and elliptic cases of this situation of integrable interaction kernels, and so our work is a generalization of those to the nonlinear and parabolic setting. |
| title | Partial Hölder regularity for fully nonlinear nonlocal parabolic equations with integrable kernels |
| topic | Analysis of PDEs 45K05, 35K55, 35D40, 35B65 |
| url | https://arxiv.org/abs/2601.15096 |