Top
Back: makeUso12
Forward: makeUsp2
FastBack: gkdim_lib
FastForward: ncdecomp_lib
Up: ncalg_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document
7.7.10.0. makeUsp1
Procedure from library ncalg.lib (see ncalg_lib).

Usage:
makeUsp1([p]); p an optional integer (field characteristic)

Return:
a ring, describing U(sp_1)

Note:
You have to activate this ring with the 'setring' command. The presentation of U(sp_1) is derived from the Chevalley representation of sp_1, positive resp. negative roots are denoted by x(i) resp. y(i); Cartan elements are denoted by h(i).

Example:
 
See also: makeUe6; makeUe7; makeUe8; makeUf4; makeUg2; makeUsl; makeUso5.


Top Back: makeUso12 Forward: makeUsp2 FastBack: gkdim_lib FastForward: ncdecomp_lib Up: ncalg_lib Top: Singular Manual Contents: Table of Contents Index: Index About: About this document
            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.