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Computation of residual polynomial operators of inductive valuations
Journal of Pure and Applied Algebra ( IF 0.8 ) Pub Date : 2021-01-07 , DOI: 10.1016/j.jpaa.2021.106668 Nathália Moraes de Oliveira , Enric Nart
中文翻译:
归纳估值的残差多项式运算符的计算
更新日期:2021-01-14
Journal of Pure and Applied Algebra ( IF 0.8 ) Pub Date : 2021-01-07 , DOI: 10.1016/j.jpaa.2021.106668 Nathália Moraes de Oliveira , Enric Nart
Let be a valued field, and μ an inductive valuation on extending v. Let be the graded algebra of μ over , and κ the maximal subfield of the subring of formed by the homogeneous elements of degree zero.
In this paper, we find an algorithm to compute the field κ and the residual polynomial operator , where y is another indeterminate, without any need to perform computations in the graded algebra.
This leads to an OM algorithm to compute the factorization of separable defectless polynomials over henselian fields.
中文翻译:
归纳估值的残差多项式运算符的计算
让 是一个有价字段,而μ是对扩展v。让是分级代数μ超过,和κ的子环最大子域 由零度的齐次元素组成。
在本文中,我们找到了一种计算场κ和残差多项式算子的算法,其中y是另一个不确定的,而无需在渐变代数中执行计算。
这导致了OM算法来计算henselian字段上可分离的无缺陷多项式的因式分解。