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Quadratic approximation for some badly rational approximable power series
Quaestiones Mathematicae ( IF 0.7 ) Pub Date : 2021-07-23
中文翻译:
一些非常有理的近似幂级数的二次近似
更新日期:2021-07-23
Quaestiones Mathematicae ( IF 0.7 ) Pub Date : 2021-07-23
Abstract
We explicitly compute the exponents of quadratic approximation of two algebraic elements over fields of power series with coefficients in a finite field. We prove that they have well quadratic approximation although their rational approximation is bad.
中文翻译:
一些非常有理的近似幂级数的二次近似
摘要
我们明确地计算两个代数元素在有限域中具有系数的幂级数域上的二次近似的指数。我们证明它们具有很好的二次近似,尽管它们的有理近似很差。