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Revision 1.4 / (download) - annotate - [selected], Mon Jun 11 05:23:52 2012 UTC (12 years, 2 months ago) by takayama
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Added an explanation on slopes, constant r, and constant kappa in the Borel and Laplace transformations respectively.
Revision 1.3 / (download) - annotate - [select for diffs], Thu Oct 20 11:22:27 2005 UTC (18 years, 10 months ago) by takayama
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Exchanged the order of two authors.
Revision 1.2 / (download) - annotate - [select for diffs], Mon Jun 18 03:12:21 2001 UTC (23 years, 2 months ago) by takayama
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A new function sm1_slope is added. This function evaluates of the slopes of a given system of linear differential equations. The slope is used to detect irregularity. Examples are also given.
Revision 1.1 / (download) - annotate - [select for diffs], Wed Nov 1 01:57:55 2000 UTC (23 years, 10 months ago) by takayama
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The function slope computes the slopes of a given D-module. It uses the ACG algorithm (Assi,Castro,Granger, How to calculate the slopes of a D-module, Compositio Math (1996), 107--123) to get the algebraic slopes. In order to get the geometric slopes, the ACG algorithm should be modified and repeated use of radical computation is necessary. Radical computation is done by ox_asir module via OpenXM connection. This module is a joint work with Castro-Jimenez.