The analytic standard fan of a D-module

The analytic standard fan of a D-module
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D模块的解析标准风扇

DOI:
10.1016/s0022-4049(00)00142-0
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发表时间:
2001
影响因子:
0.8
通讯作者:
M. Granger
M. Granger
中科院分区:
数学2区
文献类型:
--
作者:
A. Assi;F. Castro;M. Granger

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在本文中,我们将在Cn原点的线性微分算子芽环D上的任何单齐模与全纯系数联系在一起,我们称之为这个D -模的标准扇的组合对象(见第6节,关于这个对象的精确几何描述)。证明的主要工具是均匀化技术和均匀化环D [t]中的收敛除法定理。 这最后一个结果是我们的结果在Weyl代数的代数情况下扩展到解析D -模情况的关键工具(参见Assi等人,J. Pure Appl. Algebra,150(1)(2000)27-39.
In this paper, we associate with any monogeneous module over the ring D of germs of linear differential operators at the origin of Cn, with holomorphic coefficients, a combinatorial object which we call the standard fan of this D -module (see Section 6 for a precise geometric description of this object). The main tool of the proof is the homogenization technique and a convergent division theorem in the homogenization ring D [t]. This last result is the key tool to an extension to the analytic D -module case of our results in the algebraic case of the Weyl algebra (see Assi et al., J. Pure Appl. Algebra, 150 (1) (2000) 27–39.