In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 5]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 5]] |
Out[3]= | PD[X[1, 4, 2, 5], X[3, 12, 4, 13], X[13, 1, 14, 20], X[5, 15, 6, 14],
X[7, 17, 8, 16], X[9, 19, 10, 18], X[15, 7, 16, 6], X[17, 9, 18, 8],
X[19, 11, 20, 10], X[11, 2, 12, 3]] |
In[4]:= | GaussCode[Knot[10, 5]] |
Out[4]= | GaussCode[-1, 10, -2, 1, -4, 7, -5, 8, -6, 9, -10, 2, -3, 4, -7, 5, -8,
6, -9, 3] |
In[5]:= | BR[Knot[10, 5]] |
Out[5]= | BR[3, {1, 1, 1, 1, 1, 1, -2, 1, -2, -2}] |
In[6]:= | alex = Alexander[Knot[10, 5]][t] |
Out[6]= | -4 3 5 5 2 3 4
5 + t - -- + -- - - - 5 t + 5 t - 3 t + t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 5]][z] |
Out[7]= | 2 4 6 8
1 + 4 z + 7 z + 5 z + z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 5]} |
In[9]:= | {KnotDet[Knot[10, 5]], KnotSignature[Knot[10, 5]]} |
Out[9]= | {33, 4} |
In[10]:= | J=Jones[Knot[10, 5]][q] |
Out[10]= | 1 2 3 4 5 6 7 8 9
2 - - - 2 q + 4 q - 4 q + 5 q - 5 q + 4 q - 3 q + 2 q - q
q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 5]} |
In[12]:= | A2Invariant[Knot[10, 5]][q] |
Out[12]= | -2 4 6 8 10 12 14 22 26
-q + q + 2 q + q + 2 q - q + q - q - q |
In[13]:= | Kauffman[Knot[10, 5]][a, z] |
Out[13]= | 2 2 2 2
3 5 -2 z z 3 z 2 z z 2 z z 9 z 22 z
-- + -- + a - --- - -- - --- - --- - - - ---- + -- - ---- - ----- -
6 4 11 7 5 3 a 10 8 6 4
a a a a a a a a a a
2 3 3 3 3 3 3 4 4 4
10 z z z 3 z 6 z 7 z 6 z 2 z 2 z 10 z
----- + --- - -- + ---- + ---- + ---- + ---- + ---- - ---- + ----- +
2 11 9 7 5 3 a 10 8 6
a a a a a a a a a
4 4 5 5 5 5 5 6 6
32 z 18 z 2 z 4 z 3 z 2 z 5 z 2 z 7 z
----- + ----- + ---- - ---- - ---- - ---- - ---- + ---- - ---- -
4 2 9 7 5 3 a 8 6
a a a a a a a a
6 6 7 7 7 7 8 8 8 9 9
20 z 11 z 2 z 2 z 3 z z 2 z 4 z 2 z z z
----- - ----- + ---- - ---- - ---- + -- + ---- + ---- + ---- + -- + --
4 2 7 5 3 a 6 4 2 5 3
a a a a a a a a a a |
In[14]:= | {Vassiliev[2][Knot[10, 5]], Vassiliev[3][Knot[10, 5]]} |
Out[14]= | {0, 7} |
In[15]:= | Kh[Knot[10, 5]][q, t] |
Out[15]= | 3
3 5 1 1 q q q 5 7 7 2
3 q + 2 q + ----- + ---- + -- + - + -- + 2 q t + 2 q t + 3 q t +
3 3 2 2 t t
q t q t t
9 2 9 3 11 3 11 4 13 4 13 5
2 q t + 2 q t + 3 q t + 2 q t + 2 q t + q t +
15 5 15 6 17 6 19 7
2 q t + q t + q t + q t |