fieker-DuValspielwiese
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Last change
on this file since 30acb78 was
e0b657,
checked in by Hans Schönemann <hannes@…>, 17 years ago
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*hannes: ncalgebra -> nc_algebra
git-svn-id: file:///usr/local/Singular/svn/trunk@10367 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
608 bytes
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| 1 | LIB "tst.lib"; |
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| 2 | LIB "ring.lib"; |
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| 3 | tst_init(); |
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| 4 | ring Rq=(0,Q),(x,y,z),dp; // U_q(so_3) |
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| 5 | minpoly = rootofUnity(6); // Q is a 6th root of unity |
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| 6 | matrix C[3][3]; |
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| 7 | matrix D[3][3]; |
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| 8 | C[1,2]=Q2; C[1,3]=1/Q2; C[2,3]=Q2; |
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| 9 | D[1,2]=-Q*z; D[1,3]=1/Q*y; D[2,3]=-Q*x; |
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| 10 | def SR=nc_algebra(C,D); setring SR; |
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| 11 | option(redSB); |
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| 12 | option(redTail); // we wish to have minimal bases |
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| 13 | poly Cq=Q^4*x2+y2+Q^4*z2+Q*(1-Q^4)*x*y*z; |
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| 14 | poly C1=x^3+x; |
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| 15 | poly C2=y^3+y; |
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| 16 | poly C3=z^3+z; |
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| 17 | ideal I=Cq,C1,C2,C3; // ideal generated by central elements |
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| 18 | I=std(I); |
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| 19 | I; |
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| 20 | module S=syz(I); |
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| 21 | size(S); |
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| 22 | ideal tst = ideal(transpose(S)*transpose(I)); |
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| 23 | std(tst); |
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| 24 | tst_status(1);$ |
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