In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 22]] |
Out[2]= | PD[X[4, 2, 5, 1], X[10, 6, 11, 5], X[8, 3, 9, 4], X[2, 9, 3, 10],
X[16, 12, 17, 11], X[14, 7, 15, 8], X[6, 15, 7, 16],
X[18, 14, 1, 13], X[12, 18, 13, 17]] |
In[3]:= | GaussCode[Knot[9, 22]] |
Out[3]= | GaussCode[1, -4, 3, -1, 2, -7, 6, -3, 4, -2, 5, -9, 8, -6, 7, -5, 9, -8] |
In[4]:= | DTCode[Knot[9, 22]] |
Out[4]= | DTCode[4, 8, 10, 14, 2, 16, 18, 6, 12] |
In[5]:= | br = BR[Knot[9, 22]] |
Out[5]= | BR[4, {-1, 2, -1, 2, -3, 2, 2, 2, -3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 9} |
In[7]:= | BraidIndex[Knot[9, 22]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[9, 22]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 22]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 1, 3, 3, {4, 7}, 1} |
In[10]:= | alex = Alexander[Knot[9, 22]][t] |
Out[10]= | -3 5 10 2 3
-11 + t - -- + -- + 10 t - 5 t + t
2 t
t |
In[11]:= | Conway[Knot[9, 22]][z] |
Out[11]= | 2 4 6
1 - z + z + z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 22], Knot[11, NonAlternating, 128]} |
In[13]:= | {KnotDet[Knot[9, 22]], KnotSignature[Knot[9, 22]]} |
Out[13]= | {43, 2} |
In[14]:= | Jones[Knot[9, 22]][q] |
Out[14]= | -3 2 4 2 3 4 5 6
-6 + q - -- + - + 7 q - 7 q + 7 q - 5 q + 3 q - q
2 q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 22], Knot[11, NonAlternating, 3]} |
In[16]:= | A2Invariant[Knot[9, 22]][q] |
Out[16]= | -10 -8 -4 2 4 6 10 14 16 18
-1 + q + q + q - -- - q + 3 q + 2 q - q + q - q
2
q |
In[17]:= | HOMFLYPT[Knot[9, 22]][a, z] |
Out[17]= | 2 2 4 4
-4 4 2 2 2 z 6 z 2 2 4 z 4 z
-4 - a + -- + 2 a - 6 z - ---- + ---- + a z - 2 z - -- + ---- +
2 4 2 4 2
a a a a a
6
z
--
2
a |
In[18]:= | Kauffman[Knot[9, 22]][a, z] |
Out[18]= | 2 2
-4 4 2 z z 2 z 2 z 5 z
-4 - a - -- - 2 a + -- + -- - --- - 2 a z + 16 z - -- + ---- +
2 5 3 a 6 4
a a a a a
2 3 3 3 3 4
17 z 2 2 z 4 z 2 z 10 z 3 4 3 z
----- + 5 a z + -- - ---- - ---- + ----- + 7 a z - 15 z + ---- -
2 7 5 3 a 6
a a a a a
4 4 5 5 5 6
9 z 23 z 2 4 5 z 4 z 16 z 5 6 6 z
---- - ----- - 4 a z + ---- - ---- - ----- - 7 a z + 2 z + ---- +
4 2 5 3 a 4
a a a a a
6 7 7 8
7 z 2 6 4 z 6 z 7 8 z
---- + a z + ---- + ---- + 2 a z + z + --
2 3 a 2
a a a |
In[19]:= | {Vassiliev[2][Knot[9, 22]], Vassiliev[3][Knot[9, 22]]} |
Out[19]= | {-1, 1} |
In[20]:= | Kh[Knot[9, 22]][q, t] |
Out[20]= | 3 1 1 1 3 1 3 3 q
4 q + 4 q + ----- + ----- + ----- + ----- + ---- + --- + --- +
7 4 5 3 3 3 3 2 2 q t t
q t q t q t q t q t
3 5 5 2 7 2 7 3 9 3 9 4
4 q t + 3 q t + 3 q t + 4 q t + 2 q t + 3 q t + q t +
11 4 13 5
2 q t + q t |
In[21]:= | ColouredJones[Knot[9, 22], 2][q] |
Out[21]= | -10 2 -8 7 6 8 20 7 23 33
-1 + q - -- - q + -- - -- - -- + -- - -- - -- + -- - 40 q +
9 7 6 5 4 3 2 q
q q q q q q q
2 3 4 5 6 7 8 9
39 q + 9 q - 50 q + 36 q + 17 q - 48 q + 26 q + 17 q -
10 11 12 13 14 15 16 17
33 q + 14 q + 10 q - 14 q + 5 q + 2 q - 3 q + q |