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B.7.0.7 Heisenberg

Procedure from library nctools.lib (see nctools_lib).

Return:
N-th Heisenberg algebra in x(i),y(i),h realization

Note:
you have to activate this ring with the "setring" command

Example:
 
LIB "nctools.lib";
def a = Heisenberg(2);
setring a; 
a;
==> //   characteristic : 0
==> //   number of vars : 5
==> //        block   1 : ordering lp
==> //                  : names    x(1) x(2) y(1) y(2) h 
==> //        block   2 : ordering C
==> //   noncommutative relations:
==> //    y(1)x(1)=x(1)*y(1)+h
==> //    y(2)x(2)=x(2)*y(2)+h


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            User manual for Singular version 2-1-99, August 2004, generated by texi2html.