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7.7.10.0. makeUgl
Procedure from library ncalg.lib (see ncalg_lib).

Usage:
makeUgl(n,[p]); n an int, n>1; p an optional int (field characteristic)

Return:
ring

Purpose:
set up the U(gl_n) in the (e_ij (1<i,j<n)) presentation (where e_ij corresponds to a matrix with 1 at i,j only) over the field of char p

Note:
activate this ring with the setring command
the variables are ordered as e_12,e_13,...,e_1n,e_21,...,e_nn.

Example:
 
See also: makeUg2; makeUsl.


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