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arXiv 2007.02357math.APphysics.class-ph
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分数阶q-差分中若干Cauchy型问题的存在唯一性

Existence and uniqueness of some Cauchy Type Problems in fractional q-difference calculus

Lars-Erik Persson, Serikbol Shaimardan, Nariman Sarsenovich Tokmagambetov

摘要:

本文给出了一类非线性微分方程的Cauchy型q-分数阶问题(含Riemann-Liouville型分数阶q-导数)存在唯一解的一个充分条件.关键技术是首先证明这个Cauchy型q-分数阶问题等价于一个相应的Volterra q-积分方程。此外,我们还定义了Hilfer分数阶导数或复合分数阶导数算子的$q$-模拟,并证明了一些类似的新的等价性、存在性和唯一性结果.最后,一些例子来说明我们的主要结果的情况下,我们甚至可以给这些独特的解决方案的具体公式。

英文摘要:

In this paper we derive a sufficient condition for the existence of a unique solution of a Cauchy type q-fractional problem (involving the fractional q-derivative of Riemann-Liouville type) for some nonlinear differential equations. The key technique is to first prove that this Cauchy type q-fractional problem is equivalent to a corresponding Volterra q-integral equation. Moreover, we define the $q$-analogue of the Hilfer fractional derivative or composite fractional derivative operator and prove some similar new equivalence, existence and uniqueness results as above. Finally, some examples are presented to illustrate our main results in cases where we can even give concrete formulas for these unique solutions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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