In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 93]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 93]] |
Out[3]= | PD[X[6, 2, 7, 1], X[16, 6, 17, 5], X[20, 8, 1, 7], X[18, 13, 19, 14],
X[14, 9, 15, 10], X[10, 3, 11, 4], X[4, 11, 5, 12],
X[12, 17, 13, 18], X[8, 20, 9, 19], X[2, 16, 3, 15]] |
In[4]:= | GaussCode[Knot[10, 93]] |
Out[4]= | GaussCode[1, -10, 6, -7, 2, -1, 3, -9, 5, -6, 7, -8, 4, -5, 10, -2, 8,
-4, 9, -3] |
In[5]:= | BR[Knot[10, 93]] |
Out[5]= | BR[4, {-1, -1, 2, -1, -1, 2, -1, 2, 3, -2, 3}] |
In[6]:= | alex = Alexander[Knot[10, 93]][t] |
Out[6]= | 2 8 15 2 3
-17 + -- - -- + -- + 15 t - 8 t + 2 t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 93]][z] |
Out[7]= | 2 4 6
1 + z + 4 z + 2 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 93]} |
In[9]:= | {KnotDet[Knot[10, 93]], KnotSignature[Knot[10, 93]]} |
Out[9]= | {67, -2} |
In[10]:= | J=Jones[Knot[10, 93]][q] |
Out[10]= | -6 3 6 9 10 11 2 3 4
-10 - q + -- - -- + -- - -- + -- + 8 q - 5 q + 3 q - q
5 4 3 2 q
q q q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 93]} |
In[12]:= | A2Invariant[Knot[10, 93]][q] |
Out[12]= | -18 -16 -14 -12 2 -8 3 2 4 10 12
1 - q + q - q - q + --- - q + -- - 2 q + 2 q + q - q
10 6
q q |
In[13]:= | Kauffman[Knot[10, 93]][a, z] |
Out[13]= | 2
2 4 2 z 6 z 3 5 2 6 z 2 2
-2 a - a - --- - --- - 6 a z - a z + a z - 6 z - ---- + 7 a z +
3 a 2
a a
3 3
4 2 5 z 18 z 3 3 3 5 3 7 3
7 a z + ---- + ----- + 25 a z + 7 a z - 4 a z + a z +
3 a
a
4 5 5
4 17 z 2 4 4 4 6 4 4 z 10 z
28 z + ----- - 6 a z - 14 a z + 3 a z - ---- - ----- -
2 3 a
a a
6
5 3 5 5 5 6 13 z 2 6 4 6
29 a z - 17 a z + 6 a z - 31 z - ----- - 9 a z + 9 a z +
2
a
7 7 8 9
z 3 z 7 3 7 8 3 z 2 8 2 z 9
-- - ---- + 5 a z + 9 a z + 9 z + ---- + 6 a z + ---- + 2 a z
3 a 2 a
a a |
In[14]:= | {Vassiliev[2][Knot[10, 93]], Vassiliev[3][Knot[10, 93]]} |
Out[14]= | {0, -1} |
In[15]:= | Kh[Knot[10, 93]][q, t] |
Out[15]= | 6 6 1 2 1 4 2 5 4
-- + - + ------ + ------ + ----- + ----- + ----- + ----- + ----- +
3 q 13 5 11 4 9 4 9 3 7 3 7 2 5 2
q q t q t q t q t q t q t q t
5 5 5 t 2 3 2 3 3 5 3
---- + ---- + --- + 5 q t + 3 q t + 5 q t + 2 q t + 3 q t +
5 3 q
q t q t
5 4 7 4 9 5
q t + 2 q t + q t |