In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 48]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 48]] |
Out[3]= | PD[X[6, 2, 7, 1], X[8, 4, 9, 3], X[14, 6, 15, 5], X[20, 15, 1, 16],
X[16, 9, 17, 10], X[18, 11, 19, 12], X[10, 17, 11, 18],
X[12, 19, 13, 20], X[2, 8, 3, 7], X[4, 14, 5, 13]] |
In[4]:= | GaussCode[Knot[10, 48]] |
Out[4]= | GaussCode[1, -9, 2, -10, 3, -1, 9, -2, 5, -7, 6, -8, 10, -3, 4, -5, 7,
-6, 8, -4] |
In[5]:= | BR[Knot[10, 48]] |
Out[5]= | BR[3, {-1, -1, -1, -1, 2, 2, -1, 2, 2, 2}] |
In[6]:= | alex = Alexander[Knot[10, 48]][t] |
Out[6]= | -4 3 6 9 2 3 4
11 + t - -- + -- - - - 9 t + 6 t - 3 t + t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 48]][z] |
Out[7]= | 2 4 6 8
1 + 4 z + 8 z + 5 z + z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 48]} |
In[9]:= | {KnotDet[Knot[10, 48]], KnotSignature[Knot[10, 48]]} |
Out[9]= | {49, 0} |
In[10]:= | J=Jones[Knot[10, 48]][q] |
Out[10]= | -5 2 4 6 7 2 3 4 5
9 - q + -- - -- + -- - - - 7 q + 6 q - 4 q + 2 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, 48]} |
In[12]:= | A2Invariant[Knot[10, 48]][q] |
Out[12]= | -14 2 4 2 10 14
1 - q - --- + -- + 4 q - 2 q - q
10 2
q q |
In[13]:= | Kauffman[Knot[10, 48]][a, z] |
Out[13]= | 2 2
4 2 z 3 z 9 z 5 2 z 13 z
9 + -- + 4 a + -- - --- - --- - 7 a z + 2 a z - 27 z + -- - ----- -
2 5 3 a 4 2
a a a a a
3 3 3
2 2 4 2 3 z 8 z 21 z 3 3 3
11 a z + 2 a z - ---- + ---- + ----- + 12 a z - a z -
5 3 a
a a
4 4 5 5
5 3 4 5 z 18 z 2 4 4 4 z 9 z
3 a z + 37 z - ---- + ----- + 9 a z - 5 a z + -- - ---- -
4 2 5 3
a a a a
5 6 6
11 z 5 3 5 5 5 6 2 z 11 z 2 6
----- - 5 a z - 3 a z + a z - 20 z + ---- - ----- - 5 a z +
a 4 2
a a
7 7 8 9
4 6 3 z z 3 7 8 3 z 2 8 z 9
2 a z + ---- + -- + 2 a z + 5 z + ---- + 2 a z + -- + a z
3 a 2 a
a a |
In[14]:= | {Vassiliev[2][Knot[10, 48]], Vassiliev[3][Knot[10, 48]]} |
Out[14]= | {0, 0} |
In[15]:= | Kh[Knot[10, 48]][q, t] |
Out[15]= | 5 1 1 1 3 1 3 3
- + 5 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
4 3 3 3 2 5 2 5 3 7 3
---- + --- + 3 q t + 4 q t + 3 q t + 3 q t + q t + 3 q t +
3 q t
q t
7 4 9 4 11 5
q t + q t + q t |