In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 102]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 102]] |
Out[3]= | PD[X[6, 2, 7, 1], X[16, 10, 17, 9], X[10, 3, 11, 4], X[2, 15, 3, 16],
X[14, 5, 15, 6], X[18, 8, 19, 7], X[4, 11, 5, 12], X[8, 18, 9, 17],
X[20, 14, 1, 13], X[12, 20, 13, 19]] |
In[4]:= | GaussCode[Knot[10, 102]] |
Out[4]= | GaussCode[1, -4, 3, -7, 5, -1, 6, -8, 2, -3, 7, -10, 9, -5, 4, -2, 8,
-6, 10, -9] |
In[5]:= | BR[Knot[10, 102]] |
Out[5]= | BR[4, {-1, -1, 2, -1, -3, 2, -1, 2, 2, 3, 3}] |
In[6]:= | alex = Alexander[Knot[10, 102]][t] |
Out[6]= | 2 8 16 2 3
21 - -- + -- - -- - 16 t + 8 t - 2 t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 102]][z] |
Out[7]= | 2 4 6
1 - 2 z - 4 z - 2 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 102]} |
In[9]:= | {KnotDet[Knot[10, 102]], KnotSignature[Knot[10, 102]]} |
Out[9]= | {73, 0} |
In[10]:= | J=Jones[Knot[10, 102]][q] |
Out[10]= | -4 3 6 9 2 3 4 5 6
12 + q - -- + -- - - - 12 q + 11 q - 9 q + 6 q - 3 q + q
3 2 q
q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 102]} |
In[12]:= | A2Invariant[Knot[10, 102]][q] |
Out[12]= | -12 -10 -8 -6 2 3 2 6 8 10
-1 + q - q + q + q - -- + -- + q - 2 q + 2 q - 2 q +
4 2
q q
12 14 16 18
q + q - q + q |
In[13]:= | Kauffman[Knot[10, 102]][a, z] |
Out[13]= | 2 2 2
-4 -2 2 2 z 4 z 4 z 2 2 z 4 z 8 z
a + a - a - --- - --- - --- - 2 a z + 2 z + ---- - ---- - ---- +
5 3 a 6 4 2
a a a a a
3 3 3
2 2 4 2 7 z 13 z 16 z 3 3 3 4
3 a z - a z + ---- + ----- + ----- + 7 a z - 3 a z + 3 z -
5 3 a
a a
4 4 4 5 5 5
3 z 8 z 21 z 2 4 4 4 9 z 14 z 17 z
---- + ---- + ----- - 6 a z + a z - ---- - ----- - ----- -
6 4 2 5 3 a
a a a a a
6 6 6 7 7
5 3 5 6 z 11 z 24 z 2 6 3 z z
9 a z + 3 a z - 7 z + -- - ----- - ----- + 5 a z + ---- + -- +
6 4 2 5 3
a a a a a
7 8 8 9 9
4 z 7 8 4 z 9 z 2 z 2 z
---- + 6 a z + 5 z + ---- + ---- + ---- + ----
a 4 2 3 a
a a a |
In[14]:= | {Vassiliev[2][Knot[10, 102]], Vassiliev[3][Knot[10, 102]]} |
Out[14]= | {0, -1} |
In[15]:= | Kh[Knot[10, 102]][q, t] |
Out[15]= | 7 1 2 1 4 2 5 4
- + 6 q + ----- + ----- + ----- + ----- + ----- + ---- + --- + 6 q t +
q 9 4 7 3 5 3 5 2 3 2 3 q t
q t q t q t q t q t q t
3 3 2 5 2 5 3 7 3 7 4 9 4
6 q t + 5 q t + 6 q t + 4 q t + 5 q t + 2 q t + 4 q t +
9 5 11 5 13 6
q t + 2 q t + q t |