In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 110]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 110]] |
Out[3]= | PD[X[1, 6, 2, 7], X[7, 20, 8, 1], X[3, 11, 4, 10], X[5, 16, 6, 17],
X[17, 8, 18, 9], X[9, 14, 10, 15], X[11, 3, 12, 2], X[15, 4, 16, 5],
X[13, 19, 14, 18], X[19, 13, 20, 12]] |
In[4]:= | GaussCode[Knot[10, 110]] |
Out[4]= | GaussCode[-1, 7, -3, 8, -4, 1, -2, 5, -6, 3, -7, 10, -9, 6, -8, 4, -5,
9, -10, 2] |
In[5]:= | BR[Knot[10, 110]] |
Out[5]= | BR[5, {-1, 2, -1, -3, -2, -2, -2, 4, 3, -2, 3, 4}] |
In[6]:= | alex = Alexander[Knot[10, 110]][t] |
Out[6]= | -3 8 20 2 3
-25 + t - -- + -- + 20 t - 8 t + t
2 t
t |
In[7]:= | Conway[Knot[10, 110]][z] |
Out[7]= | 2 4 6
1 - 3 z - 2 z + z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 110]} |
In[9]:= | {KnotDet[Knot[10, 110]], KnotSignature[Knot[10, 110]]} |
Out[9]= | {83, -2} |
In[10]:= | J=Jones[Knot[10, 110]][q] |
Out[10]= | -7 3 7 11 13 14 13 2 3
-10 + q - -- + -- - -- + -- - -- + -- + 7 q - 3 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, 110]} |
In[12]:= | A2Invariant[Knot[10, 110]][q] |
Out[12]= | -22 -18 3 2 -10 3 2 3 2 2 4
1 + q - q + --- - --- + q - -- + -- - -- + -- - q + 3 q -
16 14 8 6 4 2
q q q q q q
6 10
q + q |
In[13]:= | Kauffman[Knot[10, 110]][a, z] |
Out[13]= | 2
-2 4 6 z 3 5 2 3 z 2 2
-a - a - a - - - 3 a z - 6 a z - 4 a z + 2 z + ---- - a z +
a 2
a
3
4 2 6 2 8 2 6 z 3 3 3 5 3
6 a z + 5 a z - a z + ---- + 13 a z + 21 a z + 12 a z -
a
4 5
7 3 4 3 z 2 4 4 4 6 4 8 4 8 z
2 a z + z - ---- + 8 a z - 4 a z - 7 a z + a z - ---- -
2 a
a
6
5 3 5 5 5 7 5 6 z 2 6
19 a z - 27 a z - 13 a z + 3 a z - 8 z + -- - 20 a z -
2
a
7
4 6 6 6 3 z 7 3 7 5 7 8
5 a z + 6 a z + ---- + 4 a z + 9 a z + 8 a z + 4 z +
a
2 8 4 8 9 3 9
10 a z + 6 a z + 2 a z + 2 a z |
In[14]:= | {Vassiliev[2][Knot[10, 110]], Vassiliev[3][Knot[10, 110]]} |
Out[14]= | {0, 3} |
In[15]:= | Kh[Knot[10, 110]][q, t] |
Out[15]= | 6 8 1 2 1 5 2 6 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
7 6 7 7 5 t 2 3 2
----- + ----- + ---- + ---- + --- + 5 q t + 2 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 + 2 q t + q t |