Image inverse d ’ un D-module et polygone de Newton ( Inverse Image of a D-module and Newton Polygon )
Image inverse d ’ un D-module et polygone de Newton ( Inverse Image of a D-module and Newton Polygon )
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Image inverse d ’ un D-module et Polyne de Newton ( D-模块和牛顿多边形的逆像 )
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发表时间:
2002
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通讯作者:
Y. Laurent
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作者:
Y. Laurent
We show that, under conditions about the microcharacteristic variety of a coherent D-module, the Cauchy problem is well-posed in the spaces of formal power series with Gevrey growth.We deduce that the ¢ltration of the Irregularity Sheaf of a holonomic D-module, which we de¢ned in a previous work, is preserved under inverse image if some rather general geometric conditions are full¢lled. Mathematics Subject Classi¢cation (2000). 35A27.
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