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D.6.1.11 charexp2poly

Procedure from library alexpoly.lib (see alexpoly_lib).

Assume:
v an intvec containing the characterictic exponents of an irreducible plane curve singularity. a a vector containing the coefficients of a parametrization given by x(t)=x^v[1], y(t)=a(1)t^v[2]+...+a[n-1]t^v[n], i.e. the entries of a are of type number.

Return:
A polynomial f in the first two variables of the basering, such that f defines an irreducible plane curve singularity with characteristic exponents v.

Note:
The entries in a should be of type number and the vector v should be the sequence of characteristic exponents of an irreducible plane curve singularity in order to get a sensible result,

Example:
 
See also: charexp2multseq; multseq2charexp.


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