In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 84]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 84]] |
Out[3]= | PD[X[4, 2, 5, 1], X[10, 4, 11, 3], X[8, 12, 9, 11], X[20, 15, 1, 16],
X[16, 5, 17, 6], X[12, 18, 13, 17], X[14, 8, 15, 7],
X[18, 14, 19, 13], X[6, 19, 7, 20], X[2, 10, 3, 9]] |
In[4]:= | GaussCode[Knot[10, 84]] |
Out[4]= | GaussCode[1, -10, 2, -1, 5, -9, 7, -3, 10, -2, 3, -6, 8, -7, 4, -5, 6,
-8, 9, -4] |
In[5]:= | BR[Knot[10, 84]] |
Out[5]= | BR[4, {1, 1, 1, 2, -1, -3, 2, 2, -3, 2, -3}] |
In[6]:= | alex = Alexander[Knot[10, 84]][t] |
Out[6]= | 2 9 20 2 3
-25 + -- - -- + -- + 20 t - 9 t + 2 t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 84]][z] |
Out[7]= | 2 4 6
1 + 2 z + 3 z + 2 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 84], Knot[11, Alternating, 46], Knot[11, NonAlternating, 184]} |
In[9]:= | {KnotDet[Knot[10, 84]], KnotSignature[Knot[10, 84]]} |
Out[9]= | {87, 2} |
In[10]:= | J=Jones[Knot[10, 84]][q] |
Out[10]= | -2 3 2 3 4 5 6 7 8
-6 - q + - + 11 q - 13 q + 15 q - 14 q + 11 q - 8 q + 4 q - q
q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 84]} |
In[12]:= | A2Invariant[Knot[10, 84]][q] |
Out[12]= | -6 -4 -2 2 4 6 8 10 12 14
-1 - q + q - q + 4 q - q + 4 q + q - q + q - 4 q +
16 18 20 22 24
2 q - q - q + 2 q - q |
In[13]:= | Kauffman[Knot[10, 84]][a, z] |
Out[13]= | 2 2 2 2 3
2 4 z 2 z 2 z 2 z z z 7 z z
-1 - -- - -- - -- + --- + --- + a z + 4 z + -- - -- + -- + ---- - -- +
4 2 7 3 a 8 6 4 2 9
a a a a a a a a a
3 3 3 3 4 4 4
6 z 11 z 4 z 2 z 3 4 6 z 2 z 9 z
---- + ----- + ---- - ---- - 2 a z - 6 z - ---- + ---- + ---- -
7 5 3 a 8 6 4
a a a a a a
4 5 5 5 5 5 6
5 z z 13 z 20 z 11 z 4 z 5 6 4 z
---- + -- - ----- - ----- - ----- - ---- + a z + 3 z + ---- -
2 9 7 5 3 a 8
a a a a a a
6 6 6 7 7 7 7 8 8
8 z 17 z 2 z 7 z 8 z 5 z 4 z 6 z 10 z
---- - ----- - ---- + ---- + ---- + ---- + ---- + ---- + ----- +
6 4 2 7 5 3 a 6 4
a a a a a a a a
8 9 9
4 z 2 z 2 z
---- + ---- + ----
2 5 3
a a a |
In[14]:= | {Vassiliev[2][Knot[10, 84]], Vassiliev[3][Knot[10, 84]]} |
Out[14]= | {0, 2} |
In[15]:= | Kh[Knot[10, 84]][q, t] |
Out[15]= | 3 1 2 1 4 2 q 3 5
7 q + 5 q + ----- + ----- + ---- + --- + --- + 7 q t + 6 q t +
5 3 3 2 2 q t t
q t q t q t
5 2 7 2 7 3 9 3 9 4 11 4
8 q t + 7 q t + 6 q t + 8 q t + 5 q t + 6 q t +
11 5 13 5 13 6 15 6 17 7
3 q t + 5 q t + q t + 3 q t + q t |