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A note on finite determinacy of matrices
Pure and Applied Mathematics Quarterly ( IF 0.5 ) Pub Date : 2020-01-01 , DOI: 10.4310/pamq.2020.v16.n4.a10
Thuy Huong Pham 1 , Pedro Macias Marques 2
Affiliation  

In this note, we give a necessary and sufficient condition for a matrix A in M to be finitely G-determined, where M is the ring of 2 x 2 matrices whose entries are formal power series over an infinite field, and G is a group acting on M by change of coordinates together with multiplication by invertible matrices from both sides.

中文翻译:

关于矩阵的有限确定性的注释

在本笔记中,我们给出了 M 中的矩阵 A 是有限 G 确定的一个充分必要条件,其中 M 是 2 x 2 矩阵的环,其条目是无限域上的形式幂级数,G 是一个群通过改变坐标以及从两边乘以可逆矩阵来作用于 M。
更新日期:2020-01-01
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