source: git/Tst/Manual/_center.tst @ ef52d6

spielwiese
Last change on this file since ef52d6 was e197f5, checked in by Oleksandr Motsak <motsak@…>, 12 years ago
fix due to case sensitive file systems fix: tests from Manual/ with only case different names chg: updated *.uu results as well! chg: updated regress.cmd to remote the leading _ for tests starting with "_[a-z0-9]" during the TC output NOTE: the tests with lower case names got a leading underscore character (_)
  • Property mode set to 100644
File size: 442 bytes
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1LIB "tst.lib"; tst_init();
2LIB "central.lib";
3ring AA = 0,(x,y,z,t),dp;
4matrix D[4][4]=0;
5D[1,2]=-z;  D[1,3]=2*x;  D[2,3]=-2*y;
6def A = nc_algebra(1,D); setring A; // this algebra is U(sl_2) tensored with K[t]
7// find generators of the center of degree <= 3:
8ideal Z = center(3);
9Z;
10inCenter(Z); // check the result
11// find at least one generator of the center:
12ideal ZZ = center(-1, 1);
13ZZ;
14inCenter(ZZ); // check the result
15tst_status(1);$
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