Analysis of an approximation to a fractional extension problem
Analysis of an approximation to a fractional extension problem
复制标题
分数可拓问题的近似分析
DOI:
10.1007/s10543-019-00787-y
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发表时间:
2019
影响因子:
1.5
通讯作者:
Padgett, Joshua L.
中科院分区:
文献类型:
--
作者:
Padgett, Joshua L.
The purpose of this article is to study an approximation to an abstract Bessel-type problem, which is a generalization of the extension problem associated with fractional powers of the Laplace operator. Motivated by the success of such approaches in the analysis of time-stepping methods for abstract Cauchy problems, we adopt a similar framework herein. The proposed method differs from many standard techniques, as we approximate the true solution to the abstract problem, rather than solve an associated discrete problem. The numerical method is shown to be consistent, stable, and convergent in an appropriate Banach space. These results are built upon well understood results from semigroup theory. Numerical experiments are provided to demonstrate the theoretical results.
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影响因子:
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作者:
Long Chen;R. Nochetto;E. Otárola;A. Salgado
通讯作者:
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DOI:
10.1007/978-3-662-00547-7
发表时间:
1985
期刊:
--
影响因子:
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作者:
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通讯作者:
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DOI:
--
发表时间:
2017
期刊:
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