In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 3]] |
Out[2]= | PD[X[8, 2, 9, 1], X[12, 4, 13, 3], X[18, 10, 1, 9], X[10, 18, 11, 17],
X[14, 6, 15, 5], X[16, 8, 17, 7], X[2, 12, 3, 11], X[4, 14, 5, 13],
X[6, 16, 7, 15]] |
In[3]:= | GaussCode[Knot[9, 3]] |
Out[3]= | GaussCode[1, -7, 2, -8, 5, -9, 6, -1, 3, -4, 7, -2, 8, -5, 9, -6, 4, -3] |
In[4]:= | DTCode[Knot[9, 3]] |
Out[4]= | DTCode[8, 12, 14, 16, 18, 2, 4, 6, 10] |
In[5]:= | br = BR[Knot[9, 3]] |
Out[5]= | BR[3, {1, 1, 1, 1, 1, 1, 1, 2, -1, 2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {3, 10} |
In[7]:= | BraidIndex[Knot[9, 3]] |
Out[7]= | 3 |
In[8]:= | Show[DrawMorseLink[Knot[9, 3]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 3]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 3, 3, 2, {4, 6}, 1} |
In[10]:= | alex = Alexander[Knot[9, 3]][t] |
Out[10]= | 2 3 3 2 3
-3 + -- - -- + - + 3 t - 3 t + 2 t
3 2 t
t t |
In[11]:= | Conway[Knot[9, 3]][z] |
Out[11]= | 2 4 6
1 + 9 z + 9 z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 3]} |
In[13]:= | {KnotDet[Knot[9, 3]], KnotSignature[Knot[9, 3]]} |
Out[13]= | {19, 6} |
In[14]:= | Jones[Knot[9, 3]][q] |
Out[14]= | 3 4 5 6 7 8 9 10 11 12
q - q + 2 q - 2 q + 3 q - 3 q + 3 q - 2 q + q - q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 3]} |
In[16]:= | A2Invariant[Knot[9, 3]][q] |
Out[16]= | 10 14 18 20 22 24 30 32 34 36
q + q + q + q + q + 2 q - q - q - q - q |
In[17]:= | HOMFLYPT[Knot[9, 3]][a, z] |
Out[17]= | 2 2 2 4 4 4 6 6
-3 3 -6 4 z 7 z 6 z z 5 z 5 z z z
--- + -- + a - ---- + ---- + ---- - --- + ---- + ---- + -- + --
10 8 10 8 6 10 8 6 8 6
a a a a a a a a a a |
In[18]:= | Kauffman[Knot[9, 3]][a, z] |
Out[18]= | 2 2 2 2
3 3 -6 2 z z z 4 z z 3 z 11 z 9 z
--- + -- - a - --- + --- - --- - --- - --- + ---- - ----- - ---- +
10 8 15 13 11 9 14 12 10 8
a a a a a a a a a a
2 3 3 3 3 3 4 4 4 4
6 z z z 4 z 9 z 3 z z 2 z 11 z 9 z
---- + --- - --- + ---- + ---- + ---- + --- - ---- + ----- + ---- -
6 15 13 11 9 7 14 12 10 8
a a a a a a a a a a
4 5 5 5 5 6 6 6 6 7
5 z z 3 z 8 z 4 z z 5 z 5 z z z
---- + --- - ---- - ---- - ---- + --- - ---- - ---- + -- + --- +
6 13 11 9 7 12 10 8 6 11
a a a a a a a a a a
7 7 8 8
2 z z z z
---- + -- + --- + --
9 7 10 8
a a a a |
In[19]:= | {Vassiliev[2][Knot[9, 3]], Vassiliev[3][Knot[9, 3]]} |
Out[19]= | {9, 26} |
In[20]:= | Kh[Knot[9, 3]][q, t] |
Out[20]= | 5 7 7 9 2 11 2 11 3 13 3 13 4 15 4
q + q + q t + q t + q t + q t + q t + 2 q t + q t +
15 5 17 5 17 6 19 6 21 7 21 8 25 9
q t + 2 q t + 2 q t + q t + 2 q t + q t + q t |
In[21]:= | ColouredJones[Knot[9, 3], 2][q] |
Out[21]= | 6 7 9 10 11 12 13 14 15 16
q - q + 3 q - 2 q - 2 q + 5 q - 2 q - 4 q + 6 q - q -
17 18 20 21 22 23 24 26 27
5 q + 6 q - 6 q + 5 q + q - 6 q + 5 q - 4 q + 3 q -
28 29 30 32 33
q - 2 q + 2 q - q + q |