In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 91]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 91]] |
Out[3]= | PD[X[6, 2, 7, 1], X[20, 6, 1, 5], X[16, 9, 17, 10], X[10, 3, 11, 4],
X[2, 18, 3, 17], X[14, 7, 15, 8], X[8, 15, 9, 16], X[12, 20, 13, 19],
X[18, 12, 19, 11], X[4, 13, 5, 14]] |
In[4]:= | GaussCode[Knot[10, 91]] |
Out[4]= | GaussCode[1, -5, 4, -10, 2, -1, 6, -7, 3, -4, 9, -8, 10, -6, 7, -3, 5,
-9, 8, -2] |
In[5]:= | BR[Knot[10, 91]] |
Out[5]= | BR[3, {-1, -1, -1, 2, -1, 2, 2, -1, 2, 2}] |
In[6]:= | alex = Alexander[Knot[10, 91]][t] |
Out[6]= | -4 4 9 14 2 3 4
17 + t - -- + -- - -- - 14 t + 9 t - 4 t + t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 91]][z] |
Out[7]= | 2 4 6 8
1 + 2 z + 5 z + 4 z + z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 91]} |
In[9]:= | {KnotDet[Knot[10, 91]], KnotSignature[Knot[10, 91]]} |
Out[9]= | {73, 0} |
In[10]:= | J=Jones[Knot[10, 91]][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, 91]][q] |
Out[12]= | -14 -12 2 -8 -4 4 2 4 8 10
-1 - q + q - --- + q - q + -- + 4 q - q + q - 2 q +
10 2
q q
12 14
q - q |
In[13]:= | Kauffman[Knot[10, 91]][a, z] |
Out[13]= | 2 2
2 2 3 z 6 z 5 2 z 9 z
5 + -- + 2 a - --- - --- - 4 a z + a z - 19 z + -- - ---- -
2 3 a 4 2
a a a a
3 3 3
2 2 4 2 2 z 9 z 18 z 3 5 3 4
7 a z + 2 a z - ---- + ---- + ----- + 9 a z - 2 a z + 35 z -
5 3 a
a a
4 4 5 5 5
6 z 16 z 2 4 4 4 z 12 z 13 z 5
---- + ----- + 7 a z - 6 a z + -- - ----- - ----- - 7 a z -
4 2 5 3 a
a a a a
6 6 7
3 5 5 5 6 3 z 13 z 2 6 4 6 5 z
6 a z + a z - 26 z + ---- - ----- - 7 a z + 3 a z + ---- +
4 2 3
a a a
7 8 9
2 z 7 3 7 8 5 z 2 8 2 z 9
---- + a z + 4 a z + 9 z + ---- + 4 a z + ---- + 2 a z
a 2 a
a |
In[14]:= | {Vassiliev[2][Knot[10, 91]], Vassiliev[3][Knot[10, 91]]} |
Out[14]= | {0, 0} |
In[15]:= | Kh[Knot[10, 91]][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 |