In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 100]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 100]] |
Out[3]= | PD[X[6, 2, 7, 1], X[18, 6, 19, 5], X[20, 13, 1, 14], X[14, 7, 15, 8],
X[10, 3, 11, 4], X[16, 9, 17, 10], X[4, 11, 5, 12], X[8, 15, 9, 16],
X[12, 19, 13, 20], X[2, 18, 3, 17]] |
In[4]:= | GaussCode[Knot[10, 100]] |
Out[4]= | GaussCode[1, -10, 5, -7, 2, -1, 4, -8, 6, -5, 7, -9, 3, -4, 8, -6, 10,
-2, 9, -3] |
In[5]:= | BR[Knot[10, 100]] |
Out[5]= | BR[3, {-1, -1, -1, 2, -1, -1, 2, -1, -1, 2}] |
In[6]:= | alex = Alexander[Knot[10, 100]][t] |
Out[6]= | -4 4 9 12 2 3 4
13 + t - -- + -- - -- - 12 t + 9 t - 4 t + t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 100]][z] |
Out[7]= | 2 4 6 8
1 + 4 z + 5 z + 4 z + z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 100]} |
In[9]:= | {KnotDet[Knot[10, 100]], KnotSignature[Knot[10, 100]]} |
Out[9]= | {65, -4} |
In[10]:= | J=Jones[Knot[10, 100]][q] |
Out[10]= | -9 3 6 8 10 11 9 8 5
3 - q + -- - -- + -- - -- + -- - -- + -- - - - q
8 7 6 5 4 3 2 q
q q q q q q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 100]} |
In[12]:= | A2Invariant[Knot[10, 100]][q] |
Out[12]= | -26 -24 2 -18 -16 3 -12 4 -6 -4
1 - q + q - --- - q - q + --- - q + --- + q + q -
22 14 10
q q q
-2 2
q - q |
In[13]:= | Kauffman[Knot[10, 100]][a, z] |
Out[13]= | 2 4 6 3 5 7 9
a + 5 a + 3 a - 2 a z - 6 a z - 8 a z - 2 a z + 2 a z -
2 2 4 2 6 2 8 2 3 3 3
7 a z - 17 a z - 6 a z + 4 a z + 5 a z + 20 a z +
5 3 7 3 9 3 11 3 2 4 4 4
26 a z + 5 a z - 5 a z + a z + 17 a z + 36 a z +
6 4 8 4 10 4 5 3 5 5 5
5 a z - 11 a z + 3 a z - 4 a z - 11 a z - 27 a z -
7 5 9 5 2 6 4 6 6 6 8 6
14 a z + 6 a z - 13 a z - 33 a z - 12 a z + 8 a z +
7 3 7 5 7 7 7 2 8 4 8 6 8
a z - 3 a z + 4 a z + 8 a z + 3 a z + 9 a z + 6 a z +
3 9 5 9
2 a z + 2 a z |
In[14]:= | {Vassiliev[2][Knot[10, 100]], Vassiliev[3][Knot[10, 100]]} |
Out[14]= | {0, -7} |
In[15]:= | Kh[Knot[10, 100]][q, t] |
Out[15]= | 4 5 1 2 1 4 2 4
-- + -- + ------ + ------ + ------ + ------ + ------ + ------ +
5 3 19 7 17 6 15 6 15 5 13 5 13 4
q q q t q t q t q t q t q t
4 6 4 5 6 4 5 2 t 3 t
------ + ------ + ----- + ----- + ----- + ---- + ---- + --- + --- +
11 4 11 3 9 3 9 2 7 2 7 5 3 q
q t q t q t q t q t q t q t q
2
t 2 3 3
-- + 2 q t + q t
q |