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arXiv 0810.2586math.CAmath-phmath.MP
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Painleve方程II整体解的全积分

Total integrals of global solutions to Painleve II

Jinho Baik, Robert Buckingham, Jeffery DiFranco, Alexander Its

摘要:

我们评估从负无穷大到正无穷大的所有整体解决方案的Painleve II方程的实数线上的总积分。该方法是基于相关的Lax对的方程之一和相应的黎曼-希尔伯特问题之间的相互作用。此外,我们评估的Painleve V方程的一个特殊的解决方案相关的函数的总积分。作为推论,我们得到了最近在[4]和[18]中得到的高斯正交和高斯辛系综的边缘和体积中极限间隙概率的常数项的计算的简短证明。我们还评估的Painleve函数及其衍生物的某些多项式的总积分。这些多项式是修正Korteweg-de Vries方程的首次积分的密度。讨论了所得到的公式与直线上Dirac算子的经典迹公式之间的关系。

英文摘要:

We evaluate the total integral from negative infinity to positive infinity of all global solutions to the Painleve II equation on the real line. The method is based on the interplay between one of the equations of the associated Lax pair and the corresponding Riemann-Hilbert problem. In addition, we evaluate the total integral of a function related to a special solution to the Painleve V equation. As a corollary, we obtain short proofs of the computation of the constant terms of the limiting gap probabilities in the edge and the bulk of the Gaussian Orthogonal and Gaussian Symplectic Ensembles that were obtained recently in [4] and [18]. We also evaluate the total integrals of certain polynomials of the Painleve functions and their derivatives. These polynomials are the densities of the first integrals of the modified Korteweg-de Vries equation. We discuss the relations of the formulae we have obtained to the classical trace formulae for the Dirac operator on the line.

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