Singular Manual: classify_lib

> | ### D.6.3 classify_lib Library: classify.lib Purpose: Arnold Classifier of Singularities Author: Kai Krueger, krueger@mathematik.uni-kl.de Overview: A library for classifying isolated hypersurface singularities w.r.t. right equivalence, based on the determinator of singularities by V.I. Arnold. Procedures:
> D.6.3.1 basicinvariants |  | computes Milnor number, determinacy-bound and corank of
> D.6.3.2 classify |  | normal form of polynomial f determined with Arnold's method
> D.6.3.3 corank |  | computes the corank of f (i.e. of the Hessian of f)
> D.6.3.4 Hcode |  | coding of intvec v acoording to the number repetitions
> D.6.3.5 init_debug |  | print trace and debugging information depending on int n
> D.6.3.6 internalfunctions |  | display names of internal procedures of this library
> D.6.3.7 milnorcode |  | Hilbert polynomial of [e-th] Milnor algebra coded with Hcode
> D.6.3.8 morsesplit |  | residual part of f after applying the splitting lemma
> D.6.3.9 quickclass |  | normal form of f determined by invariants (milnorcode)
> D.6.3.10 singularity |  | normal form of singularity given by its name s and index
> D.6.3.11 A_L |  | shortcut for quickclass(f) or normalform(s)
> D.6.3.12 normalform |  | normal form of singularity given by its name s
> D.6.3.13 debug_log |  | print trace and debugging information w.r.t level>@DeBug
> D.6.3.14 swap |  | swaps the arguments
> D.6.3.15 modality |  | modality of the singularity
> D.6.3.16 complexSingType |  | complex type of the singularity as a string
> D.6.3.17 prepRealclassify |  | the modality and the complex type of the singularity at once
See also: realclassify_lib.

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