In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... |
In[2]:= | Crossings[Knot[10, 119]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 119]] |
Out[3]= | PD[X[1, 6, 2, 7], X[7, 18, 8, 19], X[3, 9, 4, 8], X[17, 3, 18, 2],
X[5, 15, 6, 14], X[9, 17, 10, 16], X[15, 11, 16, 10],
X[11, 5, 12, 4], X[13, 20, 14, 1], X[19, 12, 20, 13]] |
In[4]:= | GaussCode[Knot[10, 119]] |
Out[4]= | GaussCode[-1, 4, -3, 8, -5, 1, -2, 3, -6, 7, -8, 10, -9, 5, -7, 6, -4,
2, -10, 9] |
In[5]:= | BR[Knot[10, 119]] |
Out[5]= | BR[4, {-1, -1, 2, -1, -3, 2, -1, 2, 3, 3, 2}] |
In[6]:= | alex = Alexander[Knot[10, 119]][t] |
Out[6]= | 2 10 23 2 3
31 - -- + -- - -- - 23 t + 10 t - 2 t
3 2 t
t t |
In[7]:= | Conway[Knot[10, 119]][z] |
Out[7]= | 2 4 6
1 - z - 2 z - 2 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 119], Knot[11, Alternating, 84]} |
In[9]:= | {KnotDet[Knot[10, 119]], KnotSignature[Knot[10, 119]]} |
Out[9]= | {101, 0} |
In[10]:= | J=Jones[Knot[10, 119]][q] |
Out[10]= | -4 4 9 13 2 3 4 5 6
16 + q - -- + -- - -- - 17 q + 16 q - 12 q + 8 q - 4 q + q
3 2 q
q q |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 119]} |
In[12]:= | A2Invariant[Knot[10, 119]][q] |
Out[12]= | -12 2 2 2 3 3 2 4 6 8 10
-3 + q - --- + -- + -- - -- + -- + q + q - q + 4 q - 3 q +
10 8 6 4 2
q q q q q
12 14 16 18
q + q - 2 q + q |
In[13]:= | Kauffman[Knot[10, 119]][a, z] |
Out[13]= | 2 2
-2 2 z 3 z 4 z 2 z z 2 2
-1 - a - a - -- - --- - --- - 2 a z + 6 z + -- + -- + 4 a z +
5 3 a 6 2
a a a a
3 3 3 4 4 4
7 z 19 z 22 z 3 3 3 4 2 z 8 z 13 z
---- + ----- + ----- + 9 a z - a z - 7 z - ---- + ---- + ----- -
5 3 a 6 4 2
a a a a a
5 5 5
2 4 4 4 10 z 26 z 37 z 5 3 5 6
9 a z + a z - ----- - ----- - ----- - 17 a z + 4 a z - 7 z +
5 3 a
a a
6 6 6 7 7 7
z 14 z 31 z 2 6 4 z 5 z 13 z 7 8
-- - ----- - ----- + 9 a z + ---- + ---- + ----- + 12 a z + 9 z +
6 4 2 5 3 a
a a a a a
8 8 9 9
6 z 15 z 3 z 3 z
---- + ----- + ---- + ----
4 2 3 a
a a a |
In[14]:= | {Vassiliev[2][Knot[10, 119]], Vassiliev[3][Knot[10, 119]]} |
Out[14]= | {0, 0} |
In[15]:= | Kh[Knot[10, 119]][q, t] |
Out[15]= | 9 1 3 1 6 3 7 6
- + 8 q + ----- + ----- + ----- + ----- + ----- + ---- + --- + 9 q t +
q 9 4 7 3 5 3 5 2 3 2 3 q t
q t q t q t q t q t q t
3 3 2 5 2 5 3 7 3 7 4 9 4
8 q t + 7 q t + 9 q t + 5 q t + 7 q t + 3 q t + 5 q t +
9 5 11 5 13 6
q t + 3 q t + q t |