Outline
Examples
Ext
Primdec
Normalize
MuPAD
Deform
Classify
Monodromy
Kodaira
Puiseux
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Primary Decomposition
Decompose a variety into its irreducible
components via the primary decomposition.
Ideal
I=(y2z2-x2y3-xz3+x3yz,y2z-xz2)
LIB "primdec.lib";
ring r=0,(x,y,z),dp;
ideal i=y^2*z^2-x^2*y^3-x*z^3+x^3*y*z,y^2*z-x*z^2;
primdecGTZ(i);
[1]:
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[1]:
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_[1]=-y2+xz
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[2]:
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_[1]=-y2+xz
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[2]:
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[1]:
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_[1]=z2
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_[2]=y
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[2]:
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_[1]=z
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_[2]=y
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[3]:
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[1]:
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_[1]=z
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_[2]=x2
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[2]:
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_[1]=z
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_[2]=x
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