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arXiv 1104.4940math-phmath.MPmath.PRnlin.SI
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多时间过程的Riemann-Hilbert方法; Airy和Pearcey情形

Riemann-Hilbert approach to multi-time processes; the Airy and the Pearcey case

M. Bertola, M. Cafasso

摘要:

我们证明了与多时间过程相关的矩阵Fredholm行列式可以表示为可积核的行列式à la Its-Izergin-Korepin-Slavnov(IIKS),因此与合适的Riemann-Hilbert问题相关,从而扩展了单时间情形的已知结果.我们重点讨论Airy和Pearcey过程。作为应用的一个例子,我们重新推导三阶偏微分方程,发现由阿德勒和范Moerbeke,为两个时间艾里过程。

英文摘要:

We prove that matrix Fredholm determinants related to multi-time processes can be expressed in terms of determinants of integrable kernels à la Its-Izergin-Korepin-Slavnov (IIKS) and hence related to suitable Riemann-Hilbert problems, thus extending the known results for the single-time case. We focus on the Airy and Pearcey processes. As an example of applications we re-deduce a third order PDE, found by Adler and van Moerbeke, for the two-time Airy process.

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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