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Computing minimal polynomials and the degree of unfaithfulness

 

作者: Wei Li,   Jie-Tai Yu,  

 

期刊: Communications in Algebra  （Taylor Available online 1993）
卷期: Volume 21, issue 10  

页码: 3557-3569

 

ISSN:0092-7872

 

年代: 1993

 

DOI:10.1080/00927879308824749

 

出版商: Gordon and Breach Science Publishers Ltd.

 

数据来源: Taylor

 

摘要:

We show how to compute, based on the Gröbner basis computation, the minimal polynomial ofnpolynomials inn- 1 variables which containn- 1 algebraically independent elements. We apply this result to automorphisms of polynomial rings.We also generalize these to rational functions and obtain a criterion for a rational map of an affne space to be birational.

 

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