=================================================================== RCS file: /home/cvs/OpenXM/src/kan96xx/Doc/slope.sm1,v retrieving revision 1.1 retrieving revision 1.4 diff -u -p -r1.1 -r1.4 --- OpenXM/src/kan96xx/Doc/slope.sm1 2000/11/01 01:57:55 1.1 +++ OpenXM/src/kan96xx/Doc/slope.sm1 2012/06/11 05:23:52 1.4 @@ -1,7 +1,12 @@ -% $OpenXM$ -(cohom.sm1) run (oxasir.sm1) run +% $OpenXM: OpenXM/src/kan96xx/Doc/slope.sm1,v 1.3 2005/10/20 11:22:27 takayama Exp $ +(oxasir.sm1.loaded) boundp not { + [(parse) (oxasir.sm1) pushfile] extension +} { } ifelse +(cohom.sm1.loaded) boundp not { + [(parse) (cohom.sm1) pushfile] extension +} { } ifelse $slope.sm1, computing the slopes of a D-ideal: June 15, 2000$ message -$ (C) F.Castro-Jimenez, N.Takayama$ message +$ (C) N.Takayama, F.Castro-Jimenez$ message $Imported commands: slope $ message /slope.verbose 1 def /gb.warning 0 def @@ -577,8 +582,14 @@ $Imported commands: slope $ message (When slope.geometric is one, it outputs the geometric slopes.) (As to the algorithm, see A.Assi, F.J.Castro-Jimenez and J.M.Granger) ( How to calculate the slopes of a D-module, Compositio Math, 104, 1-17, 1996) - (Note that the signs of the slopes are negative, but the absolute values) + (Note that the signs of the slopes s' are negative, but the absolute values -s') (of the slopes are returned.) + $In other words, when pF+qV is the gap, -s'=q/p is returned.$ + $Note that s=1-1/s' is called the slope in recent literatures. Solutions belongs to O(s).$ + $The number s satisfies 1<= s.$ + $We have r=s-1=-1/s', and kappa=1/r=-s',$ + $which is used 1/Gamma(1+m*r) factor and exp(-tau^kappa)$ + $in the Borel and Laplace transformations respectively.$ $Example 1: [ [(x^4 Dx + 3)] (x) [0 1] [-1 1]] slope :: $ $ The solution is exp(x^(-3)). $ $Example 2: [ [(x^3 Dx^2 + (x + x^2) Dx + 1)] [(x)] $ @@ -748,3 +759,4 @@ $Imported commands: slope $ message } def +/slope.sm1.loaded 1 def \ No newline at end of file