In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 30, 2005, 10:15:35)... |
In[2]:= | Length[Skeleton[L]] |
Out[2]= | 2 |
In[3]:= | Show[DrawMorseLink[Link[7, Alternating, 3]]] |
|  |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[7, Alternating, 3]] |
Out[4]= | PD[X[6, 1, 7, 2], X[10, 4, 11, 3], X[12, 8, 13, 7], X[14, 10, 5, 9],
> X[8, 14, 9, 13], X[2, 5, 3, 6], X[4, 12, 1, 11]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, -6, 2, -7}, {6, -1, 3, -5, 4, -2, 7, -3, 5, -4}] |
In[6]:= | Jones[L][q] |
Out[6]= | 1 3/2 5/2 7/2 9/2 11/2 13/2
-(-------) + Sqrt[q] - 3 q + 2 q - 3 q + 3 q - 2 q + q
Sqrt[q] |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -2 2 4 6 8 14 16 20
1 + q + 2 q + 3 q + 2 q + 3 q - q - q - q |
In[8]:= | HOMFLYPT[Link[7, Alternating, 3]][a, z] |
Out[8]= | 3 3 3 5
1 3 2 2 z 5 z 3 z z 4 z z z
---- - ---- + --- + --- - --- + --- + -- - ---- + -- - --
5 3 a z 5 3 a 5 3 a 3
a z a z a a a a a |
In[9]:= | Kauffman[Link[7, Alternating, 3]][a, z] |
Out[9]= | 2 2 2
-6 3 3 1 3 2 4 z 9 z 5 z z 3 z 6 z
-a - -- - -- + ---- + ---- + --- - --- - --- - --- - -- + ---- + ---- +
4 2 5 3 a z 5 3 a 8 6 4
a a a z a z a a a a a
2 3 3 3 3 4 4 4 5 5 5
2 z 2 z 6 z 12 z 4 z 3 z z 2 z 3 z 4 z z
> ---- - ---- + ---- + ----- + ---- - ---- - -- + ---- - ---- - ---- - -- -
2 7 5 3 a 6 4 2 5 3 a
a a a a a a a a a
6 6
z z
> -- - --
4 2
a a |
In[10]:= | Kh[L][q, t] |
Out[10]= | 2
2 4 1 q 4 6 6 2 8 2 8 3 10 3
3 q + 2 q + ----- + -- + q t + q t + 2 q t + q t + q t + 2 q t +
2 2 t
q t
10 4 12 4 14 5
> q t + q t + q t |