In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 9]] |
Out[2]= | PD[X[1, 6, 2, 7], X[3, 12, 4, 13], X[7, 16, 8, 17], X[9, 18, 10, 1],
X[17, 8, 18, 9], X[15, 10, 16, 11], X[5, 14, 6, 15], X[11, 2, 12, 3],
X[13, 4, 14, 5]] |
In[3]:= | GaussCode[Knot[9, 9]] |
Out[3]= | GaussCode[-1, 8, -2, 9, -7, 1, -3, 5, -4, 6, -8, 2, -9, 7, -6, 3, -5, 4] |
In[4]:= | DTCode[Knot[9, 9]] |
Out[4]= | DTCode[6, 12, 14, 16, 18, 2, 4, 10, 8] |
In[5]:= | br = BR[Knot[9, 9]] |
Out[5]= | BR[3, {-1, -1, -1, -1, -1, -2, 1, -2, -2, -2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {3, 10} |
In[7]:= | BraidIndex[Knot[9, 9]] |
Out[7]= | 3 |
In[8]:= | Show[DrawMorseLink[Knot[9, 9]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 9]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 3, 3, 2, {4, 6}, 1} |
In[10]:= | alex = Alexander[Knot[9, 9]][t] |
Out[10]= | 2 4 6 2 3
-7 + -- - -- + - + 6 t - 4 t + 2 t
3 2 t
t t |
In[11]:= | Conway[Knot[9, 9]][z] |
Out[11]= | 2 4 6
1 + 8 z + 8 z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 9]} |
In[13]:= | {KnotDet[Knot[9, 9]], KnotSignature[Knot[9, 9]]} |
Out[13]= | {31, -6} |
In[14]:= | Jones[Knot[9, 9]][q] |
Out[14]= | -12 2 4 5 5 5 4 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, 9]} |
In[16]:= | A2Invariant[Knot[9, 9]][q] |
Out[16]= | -36 -32 -30 -26 2 -20 -18 2 -10
-q - q - q - q + --- + q + q + --- + q
24 14
q q |
In[17]:= | HOMFLYPT[Knot[9, 9]][a, z] |
Out[17]= | 6 8 10 6 2 8 2 10 2 6 4 8 4
2 a + a - 2 a + 7 a z + 4 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, 9]][a, z] |
Out[18]= | 6 8 10 7 9 13 15 6 2
-2 a + a + 2 a + a z - 2 a z + 2 a z - a z + 7 a z -
8 2 10 2 12 2 14 2 7 3 9 3 13 3
3 a z - 6 a z + 3 a z - a z + a z + 5 a z - 3 a z +
15 3 6 4 8 4 10 4 12 4 14 4
a z - 5 a z + 3 a z + 2 a z - 4 a z + 2 a z -
7 5 9 5 11 5 13 5 6 6 8 6 10 6
3 a z - 8 a z - 2 a z + 3 a z + a z - 3 a z - a z +
12 6 7 7 9 7 11 7 8 8 10 8
3 a z + a z + 3 a z + 2 a z + a z + a z |
In[19]:= | {Vassiliev[2][Knot[9, 9]], Vassiliev[3][Knot[9, 9]]} |
Out[19]= | {8, -22} |
In[20]:= | Kh[Knot[9, 9]][q, t] |
Out[20]= | -7 -5 1 1 1 3 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
3 3 2 2 3 2 2
------ + ------ + ------ + ------ + ------ + ------ + ------ +
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, 9], 2][q] |
Out[21]= | -33 2 -31 4 8 3 10 18 6 17 25
q - --- + q + --- - --- + --- + --- - --- + --- + --- - --- +
32 30 29 28 27 26 25 24 23
q q q q q q q q q
6 20 25 2 21 19 2 17 11 4 10
--- + --- - --- + --- + --- - --- - --- + --- - --- - --- + --- -
22 21 20 19 18 17 16 15 14 13 12
q q q q q q q q q q q
4 3 4 -7 -6
--- - --- + -- - q + q
11 10 9
q q q |