In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 99]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 99]] |
Out[3]= | PD[X[6, 2, 7, 1], X[10, 4, 11, 3], X[16, 11, 17, 12], X[14, 7, 15, 8],
X[8, 15, 9, 16], X[20, 13, 1, 14], X[12, 19, 13, 20],
X[18, 6, 19, 5], X[2, 10, 3, 9], X[4, 18, 5, 17]] |
In[4]:= | GaussCode[Knot[10, 99]] |
Out[4]= | GaussCode[1, -9, 2, -10, 8, -1, 4, -5, 9, -2, 3, -7, 6, -4, 5, -3, 10,
-8, 7, -6] |
In[5]:= | BR[Knot[10, 99]] |
Out[5]= | BR[3, {-1, -1, 2, -1, -1, 2, 2, -1, 2, 2}] |
In[6]:= | alex = Alexander[Knot[10, 99]][t] |
Out[6]= | -4 4 10 16 2 3 4
19 + t - -- + -- - -- - 16 t + 10 t - 4 t + t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 99]][z] |
Out[7]= | 2 4 6 8
1 + 4 z + 6 z + 4 z + z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 99]} |
In[9]:= | {KnotDet[Knot[10, 99]], KnotSignature[Knot[10, 99]]} |
Out[9]= | {81, 0} |
In[10]:= | J=Jones[Knot[10, 99]][q] |
Out[10]= | -5 3 7 10 12 2 3 4 5
15 - q + -- - -- + -- - -- - 12 q + 10 q - 7 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, 99]} |
In[12]:= | A2Invariant[Knot[10, 99]][q] |
Out[12]= | -14 -12 3 -6 -4 6 2 4 6 10 12
1 - q + q - --- - q - q + -- + 6 q - q - q - 3 q + q -
10 2
q q
14
q |
In[13]:= | Kauffman[Knot[10, 99]][a, z] |
Out[13]= | 2
4 2 z 3 z 10 z 3 5 2 z
9 + -- + 4 a + -- - --- - ---- - 10 a z - 3 a z + a z - 18 z + -- -
2 5 3 a 4
a a a a
2 3 3 3
8 z 2 2 4 2 2 z 5 z 21 z 3 3 3
---- - 8 a z + a z - ---- + ---- + ----- + 21 a z + 5 a z -
2 5 3 a
a a a
4 4 5 5
5 3 4 5 z 9 z 2 4 4 4 z 9 z
2 a z + 28 z - ---- + ---- + 9 a z - 5 a z + -- - ---- -
4 2 5 3
a a a a
5 6 6
18 z 5 3 5 5 5 6 3 z 9 z 2 6
----- - 18 a z - 9 a z + a z - 24 z + ---- - ---- - 9 a z +
a 4 2
a a
7 7 8
4 6 5 z 5 z 7 3 7 8 5 z 2 8
3 a z + ---- + ---- + 5 a z + 5 a z + 10 z + ---- + 5 a z +
3 a 2
a a
9
2 z 9
---- + 2 a z
a |
In[14]:= | {Vassiliev[2][Knot[10, 99]], Vassiliev[3][Knot[10, 99]]} |
Out[14]= | {0, 0} |
In[15]:= | Kh[Knot[10, 99]][q, t] |
Out[15]= | 8 1 2 1 5 2 5 5
- + 8 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
7 5 3 3 2 5 2 5 3 7 3
---- + --- + 5 q t + 7 q t + 5 q t + 5 q t + 2 q t + 5 q t +
3 q t
q t
7 4 9 4 11 5
q t + 2 q t + q t |