In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 27]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 27]] |
Out[3]= | PD[X[4, 2, 5, 1], X[12, 4, 13, 3], X[20, 13, 1, 14], X[14, 5, 15, 6],
X[6, 19, 7, 20], X[18, 9, 19, 10], X[16, 7, 17, 8], X[8, 17, 9, 18],
X[10, 15, 11, 16], X[2, 12, 3, 11]] |
In[4]:= | GaussCode[Knot[10, 27]] |
Out[4]= | GaussCode[1, -10, 2, -1, 4, -5, 7, -8, 6, -9, 10, -2, 3, -4, 9, -7, 8,
-6, 5, -3] |
In[5]:= | BR[Knot[10, 27]] |
Out[5]= | BR[4, {-1, -1, -1, -1, -2, 1, -2, 3, -2, 3, 3}] |
In[6]:= | alex = Alexander[Knot[10, 27]][t] |
Out[6]= | 2 8 16 2 3
-19 + -- - -- + -- + 16 t - 8 t + 2 t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 27]][z] |
Out[7]= | 2 4 6
1 + 2 z + 4 z + 2 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 27]} |
In[9]:= | {KnotDet[Knot[10, 27]], KnotSignature[Knot[10, 27]]} |
Out[9]= | {71, -2} |
In[10]:= | J=Jones[Knot[10, 27]][q] |
Out[10]= | -8 3 6 9 11 12 11 9 2
-5 - q + -- - -- + -- - -- + -- - -- + - + 3 q - q
7 6 5 4 3 2 q
q q q q q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 27]} |
In[12]:= | A2Invariant[Knot[10, 27]][q] |
Out[12]= | -24 -22 -20 -18 2 2 2 2 2 3 4 6
-q + q - q - q + --- - --- + --- + -- - -- + -- + q - q
16 14 12 6 4 2
q q q q q q |
In[13]:= | Kauffman[Knot[10, 27]][a, z] |
Out[13]= | 2 4 6 3 5 9 2 2 2
-a + a + a - a z - 2 a z - 2 a z + a z + 4 z + 4 a z -
3
4 2 6 2 8 2 2 z 3 3 3 5 3
4 a z - a z + 3 a z - ---- + 5 a z + 11 a z + 7 a z +
a
5
7 3 9 3 4 2 4 4 4 6 4 8 4 z
a z - 2 a z - 7 z - 3 a z + 7 a z - 3 a z - 6 a z + -- -
a
5 3 5 5 5 7 5 9 5 6 2 6
8 a z - 14 a z - 12 a z - 6 a z + a z + 3 z - 2 a z -
4 6 6 6 8 6 7 3 7 5 7 7 7
9 a z - a z + 3 a z + 4 a z + 6 a z + 6 a z + 4 a z +
2 8 4 8 6 8 3 9 5 9
3 a z + 6 a z + 3 a z + a z + a z |
In[14]:= | {Vassiliev[2][Knot[10, 27]], Vassiliev[3][Knot[10, 27]]} |
Out[14]= | {0, -3} |
In[15]:= | Kh[Knot[10, 27]][q, t] |
Out[15]= | 4 6 1 2 1 4 2 5 4
-- + - + ------ + ------ + ------ + ------ + ------ + ------ + ----- +
3 q 17 7 15 6 13 6 13 5 11 5 11 4 9 4
q q t q t q t q t q t q t q t
6 5 6 6 5 6 2 t 2
----- + ----- + ----- + ----- + ---- + ---- + --- + 3 q t + q t +
9 3 7 3 7 2 5 2 5 3 q
q t q t q t q t q t q t
3 2 5 3
2 q t + q t |