In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 54]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 54]] |
Out[3]= | PD[X[1, 4, 2, 5], X[3, 10, 4, 11], X[7, 12, 8, 13], X[11, 8, 12, 9],
X[13, 19, 14, 18], X[5, 17, 6, 16], X[17, 7, 18, 6],
X[15, 1, 16, 20], X[19, 15, 20, 14], X[9, 2, 10, 3]] |
In[4]:= | GaussCode[Knot[10, 54]] |
Out[4]= | GaussCode[-1, 10, -2, 1, -6, 7, -3, 4, -10, 2, -4, 3, -5, 9, -8, 6, -7,
5, -9, 8] |
In[5]:= | BR[Knot[10, 54]] |
Out[5]= | BR[4, {1, 1, 1, -2, 1, 1, -2, -3, 2, -3, -3}] |
In[6]:= | alex = Alexander[Knot[10, 54]][t] |
Out[6]= | 2 6 10 2 3
-11 + -- - -- + -- + 10 t - 6 t + 2 t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 54]][z] |
Out[7]= | 2 4 6
1 + 4 z + 6 z + 2 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 12], Knot[10, 54]} |
In[9]:= | {KnotDet[Knot[10, 54]], KnotSignature[Knot[10, 54]]} |
Out[9]= | {47, 2} |
In[10]:= | J=Jones[Knot[10, 54]][q] |
Out[10]= | -4 2 4 6 2 3 4 5 6
-6 - q + -- - -- + - + 8 q - 7 q + 6 q - 4 q + 2 q - q
3 2 q
q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 54]} |
In[12]:= | A2Invariant[Knot[10, 54]][q] |
Out[12]= | -12 -8 -6 -4 2 4 6 8 10 12 14
3 - q - q - q + q + 2 q + q + 2 q - q + q - q - q -
18
q |
In[13]:= | Kauffman[Knot[10, 54]][a, z] |
Out[13]= | 2
2 2 2 z z z 5 z 3 2 z
3 - -- - -- + 2 a - -- + -- + -- - --- - 8 a z - 4 a z - 7 z - -- +
4 2 7 5 3 a 6
a a a a a a
2 2 3 3 3 3
5 z 5 z 2 2 z 2 z 2 z 17 z 3
---- + ---- - 6 a z + -- - ---- + ---- + ----- + 20 a z +
4 2 7 5 3 a
a a a a a
4 4 4 5 5
3 3 4 2 z 6 z 3 z 2 4 3 z 7 z
8 a z + 17 z + ---- - ---- - ---- + 12 a z + ---- - ---- -
6 4 2 5 3
a a a a a
5 6 6 7
18 z 5 3 5 6 4 z 5 z 2 6 4 z
----- - 13 a z - 5 a z - 18 z + ---- - ---- - 9 a z + ---- +
a 4 2 3
a a a
7 8 9
3 z 3 7 8 3 z 2 8 z 9
---- + a z + 5 z + ---- + 2 a z + -- + a z
a 2 a
a |
In[14]:= | {Vassiliev[2][Knot[10, 54]], Vassiliev[3][Knot[10, 54]]} |
Out[14]= | {0, 2} |
In[15]:= | Kh[Knot[10, 54]][q, t] |
Out[15]= | 3 1 1 1 3 1 3 3
5 q + 4 q + ----- + ----- + ----- + ----- + ----- + ----- + ---- +
9 5 7 4 5 4 5 3 3 3 3 2 2
q t q t q t q t q t q t q t
3 3 q 3 5 5 2 7 2 7 3 9 3
--- + --- + 3 q t + 4 q t + 3 q t + 3 q t + q t + 3 q t +
q t t
9 4 11 4 13 5
q t + q t + q t |