Characteristic polynomials of finitely generated modules over Weyl algebras

Characteristic polynomials of finitely generated modules over Weyl algebras
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Weyl 代数上有限生成模的特征多项式

DOI:
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发表时间:
2000
影响因子:
0.7
通讯作者:
A. Levin
A. Levin
中科院分区:
数学4区
文献类型:
--
作者:
Christian Donch;A. Levin

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在本文中,我们修改了经典的 Gröbner 基技术,并证明了与 Weyl 代数上的有限生成模块相关的两个变量中特征多项式的存在性。我们确定了此类多项式的不变量,并表明该模块的 Bernstein 维数多项式不包含某些不变量。
In this paper we modify the classical Gröbner basis technique and prove the existence of a characteristic polynomial in two variables associated with a finitely generated module over a Weyl algebra. We determine invariants of such a polynomial and show that some of the invariants are not carried by the Bernstein dimension polynomial of the module.