An algorithm to compute the set of characteristics of a system of polynomial equations over the integers

被引:7
|
作者
Baines, R [1 ]
Vámos, P [1 ]
机构
[1] Univ Exeter, Sch Math Sci, Exeter EX4 4QE, Devon, England
关键词
D O I
10.1016/S0747-7171(02)00134-7
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
We describe a (finite) algorithm to determine the set of characteristics of a system of polynomial equations with integer coefficients by using the theory of Grobner bases. This gives us a proof that the set of characteristics must be either finite and not containing zero, or containing zero and co-finite. Another, algebraic, proof of this is given in the appendix. These results carry over to systems of polynomial equations over a principal ideal domain and also yields an algorithm for finding the characteristic set of a matroid. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:269 / 279
页数:11
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