| ##### 7.5.10.0. makeUsp5 Procedure from library `ncalg.lib` (see ncalg_lib). Usage: makeUsp5([p]); p an optional integer (field characteristic) Return: a ring, describing U(sp_5) Note: You have to activate this ring with the 'setring' command. The presentation of U(sp_5) is derived from the Chevalley representation of sp_5, positive resp. negative roots are denoted by x(i) resp. y(i); Cartan elements are denoted by h(i). Example:
    LIB "ncalg.lib";
    def ncAlgebra = makeUsp5();
    ncAlgebra;
    ==> // coefficients: QQ
    ==> // number of vars : 55
    ==> //        block   1 : ordering dp
    ==> //                  : names    X(1) X(2) X(3) X(4) X(5) X(6) X(7) X(8) X(\
       9) X(10) X(11) X(12) X(13) X(14) X(15) X(16) X(17) X(18) X(19) X(20) X(21\
       ) X(22) X(23) X(24) X(25) Y(1) Y(2) Y(3) Y(4) Y(5) Y(6) Y(7) Y(8) Y(9) Y(\
       10) Y(11) Y(12) Y(13) Y(14) Y(15) Y(16) Y(17) Y(18) Y(19) Y(20) Y(21) Y(2\
       2) Y(23) Y(24) Y(25) H(1) H(2) H(3) H(4) H(5)
    ==> //        block   2 : ordering C
    ==> // noncommutative relations: ...
    setring ncAlgebra;
    // ...  523  noncommutative relations
See also: makeUe6; makeUe7; makeUe8; makeUf4; makeUg2; makeUsl; makeUso5; makeUsp1.

User manual for Singular version 4.4.0, 2024, generated by texi2html.