In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 31]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 31]] |
Out[3]= | PD[X[1, 4, 2, 5], X[3, 12, 4, 13], X[9, 14, 10, 15], X[13, 10, 14, 11],
X[15, 1, 16, 20], X[5, 17, 6, 16], X[19, 7, 20, 6], X[7, 19, 8, 18],
X[17, 9, 18, 8], X[11, 2, 12, 3]] |
In[4]:= | GaussCode[Knot[10, 31]] |
Out[4]= | GaussCode[-1, 10, -2, 1, -6, 7, -8, 9, -3, 4, -10, 2, -4, 3, -5, 6, -9,
8, -7, 5] |
In[5]:= | BR[Knot[10, 31]] |
Out[5]= | BR[5, {-1, -1, -1, -2, 1, 3, -2, 3, 3, 4, -3, 4}] |
In[6]:= | alex = Alexander[Knot[10, 31]][t] |
Out[6]= | 4 14 2
21 + -- - -- - 14 t + 4 t
2 t
t |
In[7]:= | Conway[Knot[10, 31]][z] |
Out[7]= | 2 4
1 + 2 z + 4 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 31], Knot[10, 68]} |
In[9]:= | {KnotDet[Knot[10, 31]], KnotSignature[Knot[10, 31]]} |
Out[9]= | {57, 0} |
In[10]:= | J=Jones[Knot[10, 31]][q] |
Out[10]= | -5 3 5 7 9 2 3 4 5
10 - q + -- - -- + -- - - - 8 q + 7 q - 4 q + 2 q - q
4 3 2 q
q q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 31]} |
In[12]:= | A2Invariant[Knot[10, 31]][q] |
Out[12]= | -16 -14 -12 2 -8 -6 -4 2 2 6 8
-q + q + q - --- + q - q - q + -- + 3 q + q + 2 q -
10 2
q q
10 16
2 q - q |
In[13]:= | Kauffman[Knot[10, 31]][a, z] |
Out[13]= | 2
-4 -2 2 2 z 2 z 2 z 3 2 3 z
2 - a - a + a + --- + --- - --- - 4 a z - 2 a z - 10 z + ---- -
5 3 a 4
a a a
2 3 3 3
2 z 2 2 4 2 3 z 3 z 6 z 3 3 3
---- - 3 a z + 2 a z - ---- - ---- + ---- + 15 a z + 7 a z -
2 5 3 a
a a a
4 4 5 5
5 3 4 5 z 3 z 2 4 4 4 z 2 z
2 a z + 20 z - ---- + ---- + 5 a z - 7 a z + -- - ---- -
4 2 5 3
a a a a
5 6 6
4 z 5 3 5 5 5 6 2 z 3 z 2 6
---- - 12 a z - 10 a z + a z - 14 z + ---- - ---- - 6 a z +
a 4 2
a a
7 7 8 9
4 6 2 z z 7 3 7 8 2 z 2 8 z
3 a z + ---- + -- + 3 a z + 4 a z + 5 z + ---- + 3 a z + -- +
3 a 2 a
a a
9
a z |
In[14]:= | {Vassiliev[2][Knot[10, 31]], Vassiliev[3][Knot[10, 31]]} |
Out[14]= | {0, 1} |
In[15]:= | Kh[Knot[10, 31]][q, t] |
Out[15]= | 5 1 2 1 3 2 4 3
- + 6 q + ------ + ----- + ----- + ----- + ----- + ----- + ----- +
q 11 5 9 4 7 4 7 3 5 3 5 2 3 2
q t q t q t q t q t q t q t
5 4 3 3 2 5 2 5 3 7 3
---- + --- + 4 q t + 4 q t + 3 q t + 4 q t + q t + 3 q t +
3 q t
q t
7 4 9 4 11 5
q t + q t + q t |