Improved universal denominators

被引：4
|
作者：
Abrarnov, S. A. [1 ]
Polyakov, S. P. [1 ]
机构：
[1] Russian Acad Sci, Ctr Comp, Moscow 119991, Russia
来源：
PROGRAMMING AND COMPUTER SOFTWARE | 2007年 / 33卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S0361768807030024
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
The paper presents an algorithm for improvement (degree reduction) of universal denominators, which are used, for example, for constructing rational solutions of linear differential and difference systems with polynomial coefficients. A variant of Zeilberger's algorithm is described; it uses construction of universal denominator instead of application of Gosper's algorithm.
引用
收藏
页码：132 / 138
页数：7
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