共查询到12条相似文献,搜索用时 46 毫秒
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本文研究一类三阶三点广义右焦点边值问题.借助由白和葛获得的不动点定理以及相应Green函数的性质,我们得到了存在三个正解的充分条件. 相似文献
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By applying the theory of formal power series,the author obtains the closed forms for two kinds of infinite series involving the reciprocals of binomial coefficients,and the author gets another closed form for the infinite series Σr≥m tn+r/(n+rr). 相似文献
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In this article, we introduce an algorithm that simulates efficiently the first exit time and position from a rectangle (or
a parallelepiped) for a Brownian motion that starts at any point inside. This method provides an exact way to simulate the
first exit time and position from any polygonal domain and then to solve some Dirichlet problems, whatever the dimension.
This method can be used as a replacement or complement of the method of the random walk on spheres and can be easily adapted
to deal with Neumann boundary conditions or Brownian motion with a constant drift.
AMS 2000 Subject Classification 60C05, 65N 相似文献
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Siberian Mathematical Journal - 相似文献
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In this paper we consider the random walk summation method whichincludes, for example, the Borel, Euler, Meyer-König andValiron methods, and obtain a Darling-Erds-type limit theoremfor the maximum of normalized sums defined by random walk summation. 相似文献
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《数学的实践与认识》2015,(18)
主要研究了右半平面上的广义级随机Dirichlet级数,它a.s.以虚轴上每一点为其没有例外小函数的强Borel点,推广了右半平面上Dirichlet级数的有关结果. 相似文献
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时间随机环境下随机游动的渐近行为 总被引:2,自引:0,他引:2
本文给出了可数状态空间中时间随机环境下随机游动的一个统一的模型 .对于最常见的情况 ,即d维最近邻域随机环境下随机游动 ,如果环境是严平稳的 ,则在一定条件下 ,该随机游动满足强大数定律和中心极限定理 .特别地 ,当环境独立同分布时 ,我们可以得到更为具体的结果 ,该结果类似于经典的随机游动的相应结论 . 相似文献