In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 104]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 104]] |
Out[3]= | PD[X[6, 2, 7, 1], X[16, 4, 17, 3], X[18, 9, 19, 10], X[14, 7, 15, 8],
X[20, 13, 1, 14], X[8, 17, 9, 18], X[10, 19, 11, 20],
X[12, 6, 13, 5], X[4, 12, 5, 11], X[2, 16, 3, 15]] |
In[4]:= | GaussCode[Knot[10, 104]] |
Out[4]= | GaussCode[1, -10, 2, -9, 8, -1, 4, -6, 3, -7, 9, -8, 5, -4, 10, -2, 6,
-3, 7, -5] |
In[5]:= | BR[Knot[10, 104]] |
Out[5]= | BR[3, {-1, -1, -1, 2, 2, -1, 2, -1, 2, 2}] |
In[6]:= | alex = Alexander[Knot[10, 104]][t] |
Out[6]= | -4 4 9 15 2 3 4
19 + t - -- + -- - -- - 15 t + 9 t - 4 t + t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 104]][z] |
Out[7]= | 2 4 6 8
1 + z + 5 z + 4 z + z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 104]} |
In[9]:= | {KnotDet[Knot[10, 104]], KnotSignature[Knot[10, 104]]} |
Out[9]= | {77, 0} |
In[10]:= | J=Jones[Knot[10, 104]][q] |
Out[10]= | -5 3 6 10 12 2 3 4 5
13 - q + -- - -- + -- - -- - 12 q + 10 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, 71], Knot[10, 104]} |
In[12]:= | A2Invariant[Knot[10, 104]][q] |
Out[12]= | -14 -12 2 2 -6 -4 3 2 4 6 8
-3 - q + q - --- + -- + q - q + -- + 3 q - q + q + 2 q -
10 8 2
q q q
10 12 14
2 q + q - q |
In[13]:= | Kauffman[Knot[10, 104]][a, z] |
Out[13]= | 2 2
-2 2 2 z 4 z 3 5 2 2 z 6 z
3 + a + a - --- - --- - 2 a z + a z + a z - 15 z + ---- - ---- -
3 a 4 2
a a a
3 3 3
2 2 4 2 2 z 8 z 13 z 3 3 3 5 3
4 a z + 3 a z - ---- + ---- + ----- + 4 a z - a z - 2 a z +
5 3 a
a a
4 4 5 5 5
4 6 z 12 z 2 4 4 4 z 11 z 12 z
27 z - ---- + ----- + 3 a z - 6 a z + -- - ----- - ----- -
4 2 5 3 a
a a a a
6 6
5 3 5 5 5 6 3 z 11 z 2 6 4 6
6 a z - 5 a z + a z - 22 z + ---- - ----- - 5 a z + 3 a z +
4 2
a a
7 7 8 9
5 z 3 z 7 3 7 8 5 z 2 8 2 z 9
---- + ---- + 2 a z + 4 a z + 9 z + ---- + 4 a z + ---- + 2 a z
3 a 2 a
a a |
In[14]:= | {Vassiliev[2][Knot[10, 104]], Vassiliev[3][Knot[10, 104]]} |
Out[14]= | {0, 0} |
In[15]:= | Kh[Knot[10, 104]][q, t] |
Out[15]= | 7 1 2 1 4 2 6 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 6 3 3 2 5 2 5 3 7 3
---- + --- + 6 q t + 6 q t + 4 q t + 6 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 |