B Conversion between Generating Sets
We list the three sets of generators and relations among them. We first list below![α](article1076x.gif)
![β](article1077x.gif)
![γ](article1078x.gif)
![ζ](article1079x.gif)
![ai](article1081x.gif)
![∗ bj](article1082x.gif)
![α](article1083x.gif)
![β](article1084x.gif)
![γ](article1085x.gif)
![ζ](article1086x.gif)
![α](article1088x.gif)
![β](article1089x.gif)
![γ](article1090x.gif)
![ζ](article1091x.gif)
![X (A)](article1092x.gif)
![a i](article1094x.gif)
![b∗ j](article1095x.gif)
![α](article1096x.gif)
![β](article1097x.gif)
![γ](article1098x.gif)
![ζ](article1099x.gif)
![X (A )](article1100x.gif)
![A = 1,2,3,4](article1101x.gif)
The Gröbner basis is given in terms of the above generators as follows: ,
,
,
, and
.
The Gröbner basis is given in terms of the above generators as follows: ,
,
,
, and
.