In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 36]] |
Out[2]= | PD[X[1, 4, 2, 5], X[7, 10, 8, 11], X[3, 9, 4, 8], X[9, 3, 10, 2],
X[11, 17, 12, 16], X[5, 15, 6, 14], X[15, 7, 16, 6],
X[13, 1, 14, 18], X[17, 13, 18, 12]] |
In[3]:= | GaussCode[Knot[9, 36]] |
Out[3]= | GaussCode[-1, 4, -3, 1, -6, 7, -2, 3, -4, 2, -5, 9, -8, 6, -7, 5, -9, 8] |
In[4]:= | DTCode[Knot[9, 36]] |
Out[4]= | DTCode[4, 8, 14, 10, 2, 16, 18, 6, 12] |
In[5]:= | br = BR[Knot[9, 36]] |
Out[5]= | BR[4, {1, 1, 1, -2, 1, 1, 3, -2, 3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 9} |
In[7]:= | BraidIndex[Knot[9, 36]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[9, 36]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 36]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 3, 3, {4, 7}, 1} |
In[10]:= | alex = Alexander[Knot[9, 36]][t] |
Out[10]= | -3 5 8 2 3
9 - t + -- - - - 8 t + 5 t - t
2 t
t |
In[11]:= | Conway[Knot[9, 36]][z] |
Out[11]= | 2 4 6
1 + 3 z - z - z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 36]} |
In[13]:= | {KnotDet[Knot[9, 36]], KnotSignature[Knot[9, 36]]} |
Out[13]= | {37, 4} |
In[14]:= | Jones[Knot[9, 36]][q] |
Out[14]= | 2 3 4 5 6 7 8 9
1 - 2 q + 4 q - 5 q + 6 q - 6 q + 6 q - 4 q + 2 q - q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 36], Knot[11, NonAlternating, 16]} |
In[16]:= | A2Invariant[Knot[9, 36]][q] |
Out[16]= | 4 6 8 10 12 14 16 18 20 22 26
1 + q + q - q + q - 2 q + q + q + q + 2 q - q - q -
28
q |
In[17]:= | HOMFLYPT[Knot[9, 36]][a, z] |
Out[17]= | 2 2 2 2 4 4 4 6
-2 4 3 2 z 6 z 5 z 3 z 2 z 4 z z z
-- + -- - -- + -- - -- + ---- - ---- + ---- + ---- - ---- + -- - --
8 6 4 2 8 6 4 2 6 4 2 4
a a a a a a a a a a a a |
In[18]:= | Kauffman[Knot[9, 36]][a, z] |
Out[18]= | 2 2 2
-2 4 3 2 z z z 2 z z z 7 z 15 z
-- - -- - -- - -- - --- + -- + -- - --- - -- - --- + ---- + ----- +
8 6 4 2 11 9 7 5 3 10 8 6
a a a a a a a a a a a a
2 2 3 3 3 3 4 4 4
12 z 5 z z 2 z 9 z 6 z 2 z 7 z 17 z
----- + ---- + --- - ---- + ---- + ---- + ---- - ---- - ----- -
4 2 11 9 5 3 10 8 6
a a a a a a a a a
4 4 5 5 5 5 6 6 6 6
12 z 4 z 3 z 4 z 14 z 7 z 4 z 4 z z z
----- - ---- + ---- - ---- - ----- - ---- + ---- + ---- + -- + -- +
4 2 9 7 5 3 8 6 4 2
a a a a a a a a a a
7 7 7 8 8
3 z 5 z 2 z z z
---- + ---- + ---- + -- + --
7 5 3 6 4
a a a a a |
In[19]:= | {Vassiliev[2][Knot[9, 36]], Vassiliev[3][Knot[9, 36]]} |
Out[19]= | {3, 7} |
In[20]:= | Kh[Knot[9, 36]][q, t] |
Out[20]= | 3
3 5 1 q q 5 7 7 2 9 2
3 q + 2 q + ---- + - + -- + 3 q t + 2 q t + 3 q t + 3 q t +
2 t t
q t
9 3 11 3 11 4 13 4 13 5 15 5
3 q t + 3 q t + 3 q t + 3 q t + q t + 3 q t +
15 6 17 6 19 7
q t + q t + q t |
In[21]:= | ColouredJones[Knot[9, 36], 2][q] |
Out[21]= | -2 2 2 3 4 5 6 7
-1 + q - - + 7 q - 5 q - 8 q + 17 q - 4 q - 19 q + 24 q +
q
8 9 10 11 12 13 14 15
2 q - 30 q + 25 q + 10 q - 35 q + 21 q + 15 q - 32 q +
16 17 18 19 20 21 22 23
14 q + 13 q - 20 q + 7 q + 6 q - 8 q + 3 q + q -
24 25
2 q + q |