spielwiese
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Last change
on this file since 6fb723 was
894057,
checked in by Oleksandr Motsak <motsak@…>, 13 years ago
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ADD: Tests from online manual (res+stat on mamawutz): short ones Tst/Manual/s.lst
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Property mode set to
100644
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File size:
585 bytes
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| 1 | LIB "tst.lib"; tst_init(); |
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| 2 | LIB "ncalg.lib"; |
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| 3 | def Usl2 = makeUsl2(); // this algebra is U(sl_2) |
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| 4 | setring Usl2; |
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| 5 | option(redSB); |
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| 6 | option(redTail); |
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| 7 | poly C = 4*e*f+h^2-2*h; // the central element of Usl2 |
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| 8 | ideal I = e^3,f^3,h^3-4*h; |
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| 9 | ideal J = twostd(I); |
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| 10 | // print a compact presentation of J: |
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| 11 | print(matrix(ideal(J[1..5]))); // first 5 generators |
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| 12 | print(matrix(ideal(J[6..size(J)]))); // last generators |
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| 13 | ideal QC = twostd(C-8); |
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| 14 | qring Q = QC; |
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| 15 | ideal QJ = fetch(Usl2,J); |
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| 16 | QJ = std(QJ); |
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| 17 | // thus QJ is the image of I in the factor-algebra QC |
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| 18 | print(matrix(QJ)); // print QJ compactly |
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| 19 | tst_status(1);$ |
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