Singular Manual: cimonom_lib

> | ### D.15.5 cimonom_lib Library: cimonom.lib Purpose: Determines if the toric ideal of an affine monomial curve is a complete intersection Authors: I.Bermejo, ibermejo@ull.es I.Garcia-Marco, iggarcia@ull.es J.-J.Salazar-Gonzalez, jjsalaza@ull.es Overview: A library for determining if the toric ideal of an affine monomial curve is a complete intersection with NO NEED of computing explicitly a system of generators of such ideal. It also contains procedures to obtain the minimum positive multiple of an integer which is in a semigroup of positive integers. The procedures are based on a paper by Isabel Bermejo, Ignacio Garcia and Juan Jose Salazar-Gonzalez: 'An algorithm to check whether the toric ideal of an affine monomial curve is a complete intersection', Preprint. Procedures:
> D.15.5.1 BelongSemig |  | checks whether n is in the semigroup generated by v;
> D.15.5.2 MinMult |  | computes k, the minimum positive integer such that k*a is in the semigroup of positive integers generated by the elements in b.
> D.15.5.3 CompInt |  | checks wether I(d) is a complete intersection or not.
See also: Integer programming.

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