Outline
Overview
Ext
Primdec
Normalize
MuPAD
Deform
Classify
Puiseux
Future
Exceptional simple Singularities
E
6
E
7
E
8
x
1
4
+ x
2
3
+ x
3
2
+ ... + x
n
2
x
2
(x
1
3
+ x
2
2
) +x
3
2
+ ... + x
n
2
x
1
5
+ x
2
3
+ x
3
2
+ ... + x
n
2
Real Pictures: n=3
Dynkin Diagrams:
A
k
,
D
k
ICM'98
http://www.mathematik.uni-kl.de/~zca/Singular