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D.15.18 stanleyreisner_lib

Library:
stanleyreisner.lib
Purpose:
Deformations of Stanley-Reiser ideals
Authors:

Overview:
Firstly, we implement the graded pieces has certain degree of cotangent modules T1 and T2 for a general Stanley-Reiser ring. And the graded pieces of homomorphisms are represented by lists of integers.

Types:
Homomorphism class of homomorphisms

Procedures:

D.15.18.1 T1  compute first order deformations
D.15.18.2 T2  compute second order deformations
D.15.18.3 makeQPoly  create a QPoly
D.15.18.4 fPiece  create a FirstOrderDeformation
D.15.18.5 sPiece  create a SecondOrderDeformation
D.15.18.6 makeLinks  create a FirstOrderDeformation of the links


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