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首页> 外文期刊>Journal of the Mathematical Society of Japan >Continuous limit of the difference second Painleve equation and its asymptotic solutions
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Continuous limit of the difference second Painleve equation and its asymptotic solutions

机译:差分第二Painleve方程的连续极限及其渐近解

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The discrete second Painleve equation dP_Ⅱ is mapped to the second Painleve equation P_Ⅱ by its continuous limit, and then, as shown by Kajiwara et al., a rational solution of dP_Ⅱ also reduces to that of P_Ⅱ In this paper, regarding dP_Ⅱ as a difference equation, we present a certain asymptotic solution that reduces to a triply-truncated solution of P_Ⅱ in this continuous limit. In a special case our solution corresponds to a rational one of dPn-Furthermore we show the existence of families of solutions having sequential limits to truncated solutions of P_Ⅱ.
机译:离散的第二Painleve方程dP_Ⅱ通过其连续极限映射到第二Painleve方程P_Ⅱ,然后,如Kajiwara等人所示,dP_Ⅱ的有理解也降为P_Ⅱ的有理解。本文以dP_Ⅱ为差方程,我们给出了一个渐近解,在该连续极限下,它可以简化为P_Ⅱ的三截式解。在一种特殊情况下,我们的解对应于dPn的一个有理数,此外,我们证明了解的族存在,这些族对P_Ⅱ的截断解具有顺序限制。

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