Existence and regularity of solutions to time-fractional diffusion equations

Existence and regularity of solutions to time-fractional diffusion equations
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DOI:
10.1016/j.camwa.2016.04.039
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发表时间:
2017-03
期刊:
Comput. Math. Appl.
影响因子:
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通讯作者:
Jia Mu;B. Ahmad;Shuibo Huang
Jia Mu;B. Ahmad;Shuibo Huang
中科院分区:
其他
文献类型:
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作者:
Jia Mu;B. Ahmad;Shuibo Huang

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我们研究了阶数 αε(0, 1) 的时间分数扩散方程的一些初始边值问题。这些方程模拟了分形上的反常扩散。只有当外力函数 f 是加权 Hölder 连续(比 Hölder 连续性弱)时,与 α 无关的解的存在性才成立。还讨论了取决于分数指数 α 的最大和空间规律性标准的一些有趣版本。
We investigate some initial–boundary value problems for time-fractional diffusion equations of order α∈(0, 1). Such equations model anomalous diffusion on fractals. The existence of solution irrelevant to α is established only if the external force function f is weighted Hölder continuous, which is weaker than Hölder continuous. Some interesting versions of maximal and spatial regularity criteria depending on the fractional exponent α are also discussed.