In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 116]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 116]] |
Out[3]= | PD[X[6, 2, 7, 1], X[16, 3, 17, 4], X[14, 7, 15, 8], X[8, 15, 9, 16],
X[10, 18, 11, 17], X[18, 6, 19, 5], X[20, 13, 1, 14],
X[12, 19, 13, 20], X[2, 10, 3, 9], X[4, 11, 5, 12]] |
In[4]:= | GaussCode[Knot[10, 116]] |
Out[4]= | GaussCode[1, -9, 2, -10, 6, -1, 3, -4, 9, -5, 10, -8, 7, -3, 4, -2, 5,
-6, 8, -7] |
In[5]:= | BR[Knot[10, 116]] |
Out[5]= | BR[3, {-1, -1, 2, -1, -1, 2, -1, 2, -1, 2}] |
In[6]:= | alex = Alexander[Knot[10, 116]][t] |
Out[6]= | -4 5 12 19 2 3 4
-21 - t + -- - -- + -- + 19 t - 12 t + 5 t - t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 116]][z] |
Out[7]= | 4 6 8
1 - 2 z - 3 z - z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 116], Knot[11, Alternating, 7], Knot[11, Alternating, 33],
Knot[11, Alternating, 82]} |
In[9]:= | {KnotDet[Knot[10, 116]], KnotSignature[Knot[10, 116]]} |
Out[9]= | {95, -2} |
In[10]:= | J=Jones[Knot[10, 116]][q] |
Out[10]= | -7 4 8 12 15 16 15 2 3
-11 + q - -- + -- - -- + -- - -- + -- + 8 q - 4 q + q
6 5 4 3 2 q
q q q q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 116]} |
In[12]:= | A2Invariant[Knot[10, 116]][q] |
Out[12]= | -20 2 2 2 2 3 4 3 3 2 4
1 + q - --- + --- - --- + --- - -- + -- - -- + -- - q + 2 q -
18 16 14 10 8 6 4 2
q q q q q q q q
6 8
2 q + q |
In[13]:= | Kauffman[Knot[10, 116]][a, z] |
Out[13]= | 2
z 3 5 2 z 2 2 4 2 6 2
1 - - - 3 a z - 3 a z - a z - z + -- - 3 a z + a z + 2 a z +
a 2
a
3 4
6 z 3 3 3 5 3 7 3 4 2 z
---- + 17 a z + 19 a z + 6 a z - 2 a z + 9 z - ---- +
a 2
a
5
2 4 4 4 6 4 8 4 10 z 5 3 5
19 a z - a z - 8 a z + a z - ----- - 22 a z - 29 a z -
a
6
5 5 7 5 6 z 2 6 4 6 6 6
13 a z + 4 a z - 15 z + -- - 32 a z - 8 a z + 8 a z +
2
a
7
4 z 7 3 7 5 7 8 2 8 4 8
---- + 3 a z + 9 a z + 10 a z + 6 z + 14 a z + 8 a z +
a
9 3 9
3 a z + 3 a z |
In[14]:= | {Vassiliev[2][Knot[10, 116]], Vassiliev[3][Knot[10, 116]]} |
Out[14]= | {0, 0} |
In[15]:= | Kh[Knot[10, 116]][q, t] |
Out[15]= | 7 9 1 3 1 5 3 7 5
-- + - + ------ + ------ + ------ + ------ + ----- + ----- + ----- +
3 q 15 6 13 5 11 5 11 4 9 4 9 3 7 3
q q t q t q t q t q t q t q t
8 7 8 8 5 t 2 3 2
----- + ----- + ---- + ---- + --- + 6 q t + 3 q t + 5 q t +
7 2 5 2 5 3 q
q t q t q t q t
3 3 5 3 7 4
q t + 3 q t + q t |