正规变化重尾分布的尾部指数的估计方法有很多种，但都不同程度地存在一定的局限性。
The estimation of tail index for regular variation heavy-tailed distributions aroused our concern, many scholars proposed several methods, but all of them have some disadvantages.
本文运用解析的方法，研究模为算术级数中素数的正规化三次高斯和在单位圆周上的分布。
In this paper, normalized cubic Gauss sums' distribution at unit circle is studied by analytical methods.
从介绍蚂蚁系统出发，提出了新的状态转移规则及全局修正规则，结合这些新规则设计出一个新算法，该算法是一个分布式并行算法。
The ant colony system is introduced and a new algorithm for TSP is presented. This algorithm is a distributed parallel algorithm with a new state transition rule and new global updating rule.
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