In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 43]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 43]] |
Out[3]= | PD[X[4, 2, 5, 1], X[10, 4, 11, 3], X[14, 8, 15, 7], X[20, 11, 1, 12],
X[12, 19, 13, 20], X[8, 14, 9, 13], X[18, 15, 19, 16],
X[16, 5, 17, 6], X[6, 17, 7, 18], X[2, 10, 3, 9]] |
In[4]:= | GaussCode[Knot[10, 43]] |
Out[4]= | GaussCode[1, -10, 2, -1, 8, -9, 3, -6, 10, -2, 4, -5, 6, -3, 7, -8, 9,
-7, 5, -4] |
In[5]:= | BR[Knot[10, 43]] |
Out[5]= | BR[5, {-1, -1, 2, -1, -3, 2, 4, -3, 4, 4}] |
In[6]:= | alex = Alexander[Knot[10, 43]][t] |
Out[6]= | -3 7 17 2 3
23 - t + -- - -- - 17 t + 7 t - t
2 t
t |
In[7]:= | Conway[Knot[10, 43]][z] |
Out[7]= | 2 4 6
1 + 2 z + z - z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 43]} |
In[9]:= | {KnotDet[Knot[10, 43]], KnotSignature[Knot[10, 43]]} |
Out[9]= | {73, 0} |
In[10]:= | J=Jones[Knot[10, 43]][q] |
Out[10]= | -5 3 6 9 11 2 3 4 5
13 - q + -- - -- + -- - -- - 11 q + 9 q - 6 q + 3 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, 43], Knot[10, 91]} |
In[12]:= | A2Invariant[Knot[10, 43]][q] |
Out[12]= | -16 -12 2 2 -4 3 2 4 8 10
-1 - q + q - --- + -- - q + -- + 3 q - q + 2 q - 2 q +
10 8 2
q q q
12 16
q - q |
In[13]:= | Kauffman[Knot[10, 43]][a, z] |
Out[13]= | 2
-4 2 2 4 z 3 z 5 2 3 z
-1 - a - -- - 2 a - a + -- - --- - 3 a z + a z + 8 z + ---- +
2 5 a 4
a a a
2 3 3 3
7 z 2 2 4 2 2 z z 12 z 3 3 3
---- + 7 a z + 3 a z - ---- + -- + ----- + 12 a z + a z -
2 5 3 a
a a a
4 4 5 5
5 3 4 6 z 8 z 2 4 4 4 z 6 z
2 a z - 4 z - ---- - ---- - 8 a z - 6 a z + -- - ---- -
4 2 5 3
a a a a
5 6 7
16 z 5 3 5 5 5 6 3 z 4 6 4 z
----- - 16 a z - 6 a z + a z - 6 z + ---- + 3 a z + ---- +
a 4 3
a a
7 8 9
7 z 7 3 7 8 3 z 2 8 z 9
---- + 7 a z + 4 a z + 6 z + ---- + 3 a z + -- + a z
a 2 a
a |
In[14]:= | {Vassiliev[2][Knot[10, 43]], Vassiliev[3][Knot[10, 43]]} |
Out[14]= | {0, 0} |
In[15]:= | Kh[Knot[10, 43]][q, t] |
Out[15]= | 7 1 2 1 4 2 5 4
- + 7 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
6 5 3 3 2 5 2 5 3 7 3
---- + --- + 5 q t + 6 q t + 4 q t + 5 q t + 2 q t + 4 q t +
3 q t
q t
7 4 9 4 11 5
q t + 2 q t + q t |