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Gröbner Bases for Left and Two-Sided Ideals - (1)ideal I2=e^2,f^2,h^2-1; ideal L2=std(I2); L2; // GB of left ideal
ideal T2=system("twostd",I2); T2; // GB of two-sided ideal
This shows that I2 is a two-sided ideal itself. Computations for I3 |
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Sao Carlos, 08/02 | http://www.singular.uni-kl.de |