Holder estimates for advection fractional-diffusion equations

Holder estimates for advection fractional-diffusion equations
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DOI:
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发表时间:
2010-09
期刊:
arXiv: Analysis of PDEs
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通讯作者:
L. Silvestre
L. Silvestre
中科院分区:
其他
文献类型:
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作者:
L. Silvestre

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分析了一类具有分数阶扩散和漂移的发展方程存在保持器连续解的条件。在扩散是一阶或多阶的情况下,我们得到了任意有界漂移的解的保持器估计。在扩散阶数小于1的情况下,我们要求漂移是一个保持器连续向量场,以获得相同类型的正则性结果。
We analyse conditions for an evolution equation with a drift and fractional diffusion to have a Holder continuous solution. In case the diffusion is of order one or more, we obtain Holder estimates for the solution for any bounded drift. In the case when the diffusion is of order less than one, we require the drift to be a Holder continuous vector field in order to obtain the same type of regularity result.