In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 6]] |
Out[2]= | PD[X[1, 4, 2, 5], X[3, 12, 4, 13], X[5, 14, 6, 15], X[7, 16, 8, 17],
X[9, 18, 10, 1], X[15, 6, 16, 7], X[17, 8, 18, 9], X[13, 10, 14, 11],
X[11, 2, 12, 3]] |
In[3]:= | GaussCode[Knot[9, 6]] |
Out[3]= | GaussCode[-1, 9, -2, 1, -3, 6, -4, 7, -5, 8, -9, 2, -8, 3, -6, 4, -7, 5] |
In[4]:= | DTCode[Knot[9, 6]] |
Out[4]= | DTCode[4, 12, 14, 16, 18, 2, 10, 6, 8] |
In[5]:= | br = BR[Knot[9, 6]] |
Out[5]= | BR[3, {-1, -1, -1, -1, -1, -1, -2, 1, -2, -2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {3, 10} |
In[7]:= | BraidIndex[Knot[9, 6]] |
Out[7]= | 3 |
In[8]:= | Show[DrawMorseLink[Knot[9, 6]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 6]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 3, 3, 2, {4, 6}, 1} |
In[10]:= | alex = Alexander[Knot[9, 6]][t] |
Out[10]= | 2 4 5 2 3
-5 + -- - -- + - + 5 t - 4 t + 2 t
3 2 t
t t |
In[11]:= | Conway[Knot[9, 6]][z] |
Out[11]= | 2 4 6
1 + 7 z + 8 z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 6]} |
In[13]:= | {KnotDet[Knot[9, 6]], KnotSignature[Knot[9, 6]]} |
Out[13]= | {27, -6} |
In[14]:= | Jones[Knot[9, 6]][q] |
Out[14]= | -12 2 3 4 5 4 3 3 -4 -3
-q + --- - --- + -- - -- + -- - -- + -- - q + q
11 10 9 8 7 6 5
q q q q q q q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 6]} |
In[16]:= | A2Invariant[Knot[9, 6]][q] |
Out[16]= | -36 2 -22 -20 2 -16 2 -10
-q - --- - q + q + --- + q + --- + q
26 18 14
q q q |
In[17]:= | HOMFLYPT[Knot[9, 6]][a, z] |
Out[17]= | 6 8 10 6 2 8 2 10 2 6 4 8 4
3 a - a - a + 7 a z + 3 a z - 3 a z + 5 a z + 4 a z -
10 4 6 6 8 6
a z + a z + a z |
In[18]:= | Kauffman[Knot[9, 6]][a, z] |
Out[18]= | 6 8 10 7 9 11 15 6 2 8 2
-3 a - a + a + 2 a z - a z - 2 a z - a z + 7 a z + a z -
10 2 12 2 14 2 9 3 11 3 13 3 15 3
3 a z + a z - 2 a z + 8 a z + 6 a z - a z + a z -
6 4 8 4 10 4 12 4 14 4 7 5
5 a z + a z + 2 a z - 2 a z + 2 a z - 3 a z -
9 5 11 5 13 5 6 6 8 6 10 6
10 a z - 5 a z + 2 a z + a z - 3 a z - 2 a z +
12 6 7 7 9 7 11 7 8 8 10 8
2 a z + a z + 3 a z + 2 a z + a z + a z |
In[19]:= | {Vassiliev[2][Knot[9, 6]], Vassiliev[3][Knot[9, 6]]} |
Out[19]= | {7, -18} |
In[20]:= | Kh[Knot[9, 6]][q, t] |
Out[20]= | -7 -5 1 1 1 2 1 2
q + q + ------ + ------ + ------ + ------ + ------ + ------ +
25 9 23 8 21 8 21 7 19 7 19 6
q t q t q t q t q t q t
2 3 2 1 3 2 1
------ + ------ + ------ + ------ + ------ + ------ + ------ +
17 6 17 5 15 5 15 4 13 4 13 3 11 3
q t q t q t q t q t q t q t
1 2 1
------ + ----- + ----
11 2 9 2 7
q t q t q t |
In[21]:= | ColouredJones[Knot[9, 6], 2][q] |
Out[21]= | -33 2 4 5 -28 7 11 3 11 16 3
q - --- + --- - --- + q + --- - --- + --- + --- - --- + --- +
32 30 29 27 26 25 24 23 22
q q q q q q q q q
14 16 -19 14 13 2 12 8 4 9 3
--- - --- + q + --- - --- - --- + --- - --- - --- + --- - --- -
21 20 18 17 16 15 14 13 12 11
q q q q q q q q q q
3 4 -7 -6
--- + -- - q + q
10 9
q q |