In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 60]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 60]] |
Out[3]= | PD[X[4, 2, 5, 1], X[10, 6, 11, 5], X[8, 3, 9, 4], X[2, 9, 3, 10],
X[16, 12, 17, 11], X[14, 7, 15, 8], X[6, 15, 7, 16],
X[20, 18, 1, 17], X[18, 13, 19, 14], X[12, 19, 13, 20]] |
In[4]:= | GaussCode[Knot[10, 60]] |
Out[4]= | GaussCode[1, -4, 3, -1, 2, -7, 6, -3, 4, -2, 5, -10, 9, -6, 7, -5, 8,
-9, 10, -8] |
In[5]:= | BR[Knot[10, 60]] |
Out[5]= | BR[5, {-1, 2, -1, 2, 2, -3, 2, -3, -2, -4, 3, -4}] |
In[6]:= | alex = Alexander[Knot[10, 60]][t] |
Out[6]= | -3 7 20 2 3
29 - t + -- - -- - 20 t + 7 t - t
2 t
t |
In[7]:= | Conway[Knot[10, 60]][z] |
Out[7]= | 2 4 6
1 - z + z - z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 60], Knot[11, NonAlternating, 165]} |
In[9]:= | {KnotDet[Knot[10, 60]], KnotSignature[Knot[10, 60]]} |
Out[9]= | {85, 0} |
In[10]:= | J=Jones[Knot[10, 60]][q] |
Out[10]= | -6 3 6 10 13 14 2 3 4
14 + q - -- + -- - -- + -- - -- - 11 q + 8 q - 4 q + q
5 4 3 2 q
q q q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 60], Knot[10, 86]} |
In[12]:= | A2Invariant[Knot[10, 60]][q] |
Out[12]= | -20 -18 2 3 3 -4 2 2 4 6
-2 + q + q - --- - --- + -- + q + -- + 3 q - 3 q + q +
16 10 8 2
q q q q
8 10 12
2 q - 2 q + q |
In[13]:= | Kauffman[Knot[10, 60]][a, z] |
Out[13]= | -2 2 4 6 2 z 3 5 2
-2 - a - 4 a - 3 a - a - --- - 6 a z - 7 a z - 3 a z + 14 z +
a
2 3 3
4 z 2 2 4 2 6 2 2 z 5 z 3
---- + 18 a z + 11 a z + 3 a z - ---- + ---- + 25 a z +
2 3 a
a a
4 4
3 3 5 3 4 z 9 z 2 4 4 4
27 a z + 9 a z - 22 z + -- - ---- - 17 a z - 8 a z -
4 2
a a
5 5 6
6 4 4 z 11 z 5 3 5 5 5 6 8 z
3 a z + ---- - ----- - 38 a z - 32 a z - 9 a z + 5 z + ---- -
3 a 2
a a
7
2 6 4 6 6 6 9 z 7 3 7 5 7
7 a z - 3 a z + a z + ---- + 16 a z + 10 a z + 3 a z +
a
8 2 8 4 8 9 3 9
5 z + 8 a z + 3 a z + a z + a z |
In[14]:= | {Vassiliev[2][Knot[10, 60]], Vassiliev[3][Knot[10, 60]]} |
Out[14]= | {0, 1} |
In[15]:= | Kh[Knot[10, 60]][q, t] |
Out[15]= | 7 1 2 1 4 2 6 4
- + 8 q + ------ + ------ + ----- + ----- + ----- + ----- + ----- +
q 13 6 11 5 9 5 9 4 7 4 7 3 5 3
q t q t q t q t q t q t q t
7 6 7 7 3 3 2 5 2
----- + ----- + ---- + --- + 5 q t + 6 q t + 3 q t + 5 q t +
5 2 3 2 3 q t
q t q t q t
5 3 7 3 9 4
q t + 3 q t + q t |