In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 89]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 89]] |
Out[3]= | PD[X[4, 2, 5, 1], X[12, 8, 13, 7], X[8, 3, 9, 4], X[2, 9, 3, 10],
X[20, 13, 1, 14], X[14, 5, 15, 6], X[6, 19, 7, 20],
X[18, 16, 19, 15], X[16, 11, 17, 12], X[10, 17, 11, 18]] |
In[4]:= | GaussCode[Knot[10, 89]] |
Out[4]= | GaussCode[1, -4, 3, -1, 6, -7, 2, -3, 4, -10, 9, -2, 5, -6, 8, -9, 10,
-8, 7, -5] |
In[5]:= | BR[Knot[10, 89]] |
Out[5]= | BR[5, {-1, 2, -1, 2, 3, -2, -1, -4, -3, 2, -3, -4}] |
In[6]:= | alex = Alexander[Knot[10, 89]][t] |
Out[6]= | -3 8 24 2 3
-33 + t - -- + -- + 24 t - 8 t + t
2 t
t |
In[7]:= | Conway[Knot[10, 89]][z] |
Out[7]= | 2 4 6
1 + z - 2 z + z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 89]} |
In[9]:= | {KnotDet[Knot[10, 89]], KnotSignature[Knot[10, 89]]} |
Out[9]= | {99, -2} |
In[10]:= | J=Jones[Knot[10, 89]][q] |
Out[10]= | -8 3 7 12 15 17 16 13 2
-9 - q + -- - -- + -- - -- + -- - -- + -- + 5 q - q
7 6 5 4 3 2 q
q q q q q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 89]} |
In[12]:= | A2Invariant[Knot[10, 89]][q] |
Out[12]= | -26 -24 2 -20 -18 4 2 2 2 2 4
-q - q + --- - q - q + --- - --- + --- - -- + -- - -- +
22 16 14 12 8 6 4
q q q q q q q
4 2 4 6
-- - q + 3 q - q
2
q |
In[13]:= | Kauffman[Knot[10, 89]][a, z] |
Out[13]= | 4 6 8 3 5 7 9 2 2
1 - a - 2 a - a - 2 a z - 4 a z - a z + a z + 3 a z +
4 2 6 2 8 2 3 3 3 5 3
6 a z + 6 a z + 3 a z + 5 a z + 19 a z + 20 a z +
7 3 9 3 4 2 4 4 4 6 4 8 4
4 a z - 2 a z - 6 z - 9 a z - 2 a z - 4 a z - 5 a z +
5
z 5 3 5 5 5 7 5 9 5 6
-- - 15 a z - 35 a z - 27 a z - 7 a z + a z + 5 z -
a
2 6 4 6 6 6 8 6 7 3 7
4 a z - 15 a z - 3 a z + 3 a z + 9 a z + 15 a z +
5 7 7 7 2 8 4 8 6 8 3 9 5 9
11 a z + 5 a z + 7 a z + 12 a z + 5 a z + 2 a z + 2 a z |
In[14]:= | {Vassiliev[2][Knot[10, 89]], Vassiliev[3][Knot[10, 89]]} |
Out[14]= | {0, -3} |
In[15]:= | Kh[Knot[10, 89]][q, t] |
Out[15]= | 6 8 1 2 1 5 2 7 5
-- + - + ------ + ------ + ------ + ------ + ------ + ------ + ----- +
3 q 17 7 15 6 13 6 13 5 11 5 11 4 9 4
q q t q t q t q t q t q t q t
8 7 9 8 7 9 4 t 2
----- + ----- + ----- + ----- + ---- + ---- + --- + 5 q t + q t +
9 3 7 3 7 2 5 2 5 3 q
q t q t q t q t q t q t
3 2 5 3
4 q t + q t |