In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 11]] |
Out[2]= | PD[X[1, 4, 2, 5], X[9, 12, 10, 13], X[3, 11, 4, 10], X[11, 3, 12, 2],
X[13, 1, 14, 18], X[5, 15, 6, 14], X[7, 17, 8, 16], X[15, 7, 16, 6],
X[17, 9, 18, 8]] |
In[3]:= | GaussCode[Knot[9, 11]] |
Out[3]= | GaussCode[-1, 4, -3, 1, -6, 8, -7, 9, -2, 3, -4, 2, -5, 6, -8, 7, -9, 5] |
In[4]:= | DTCode[Knot[9, 11]] |
Out[4]= | DTCode[4, 10, 14, 16, 12, 2, 18, 6, 8] |
In[5]:= | br = BR[Knot[9, 11]] |
Out[5]= | BR[4, {1, 1, 1, 1, -2, 1, 3, -2, 3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 9} |
In[7]:= | BraidIndex[Knot[9, 11]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[9, 11]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 11]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 3, 2, {4, 6}, 1} |
In[10]:= | alex = Alexander[Knot[9, 11]][t] |
Out[10]= | -3 5 7 2 3
7 - t + -- - - - 7 t + 5 t - t
2 t
t |
In[11]:= | Conway[Knot[9, 11]][z] |
Out[11]= | 2 4 6
1 + 4 z - z - z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 11], Knot[11, NonAlternating, 95]} |
In[13]:= | {KnotDet[Knot[9, 11]], KnotSignature[Knot[9, 11]]} |
Out[13]= | {33, 4} |
In[14]:= | Jones[Knot[9, 11]][q] |
Out[14]= | 2 3 4 5 6 7 8 9
1 - 2 q + 3 q - 4 q + 6 q - 5 q + 5 q - 4 q + 2 q - q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 11]} |
In[16]:= | A2Invariant[Knot[9, 11]][q] |
Out[16]= | 8 10 14 16 20 22 26 28
1 - q + 2 q + 2 q + q + q - q - q - q |
In[17]:= | HOMFLYPT[Knot[9, 11]][a, z] |
Out[17]= | 2 2 2 2 4 4 4 6
-2 3 -4 -2 z 6 z 4 z 3 z 2 z 4 z z z
-- + -- - a + a - -- + ---- - ---- + ---- + ---- - ---- + -- - --
8 6 8 6 4 2 6 4 2 4
a a a a a a a a a a |
In[18]:= | Kauffman[Knot[9, 11]][a, z] |
Out[18]= | 2 2 2
-2 3 -4 -2 z 2 z 2 z 2 z z z 4 z 6 z
-- - -- - a - a - --- + --- + --- - --- - -- - --- + ---- + ---- +
8 6 11 9 7 5 3 10 8 6
a a a a a a a a a a
2 2 3 3 3 3 3 4 4 4
5 z 4 z z 3 z 3 z 9 z 8 z 2 z 4 z 7 z
---- + ---- + --- - ---- - ---- + ---- + ---- + ---- - ---- - ---- -
4 2 11 9 7 5 3 10 8 6
a a a a a a a a a a
4 4 5 5 5 5 6 6 6 6 7
5 z 4 z 3 z z 12 z 8 z 3 z z z z 2 z
---- - ---- + ---- - -- - ----- - ---- + ---- + -- - -- + -- + ---- +
4 2 9 7 5 3 8 6 4 2 7
a a a a a a a a a a a
7 7 8 8
4 z 2 z z z
---- + ---- + -- + --
5 3 6 4
a a a a |
In[19]:= | {Vassiliev[2][Knot[9, 11]], Vassiliev[3][Knot[9, 11]]} |
Out[19]= | {4, 9} |
In[20]:= | Kh[Knot[9, 11]][q, t] |
Out[20]= | 3
3 5 1 q q 5 7 7 2 9 2
2 q + 2 q + ---- + - + -- + 3 q t + 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
2 q t + 3 q t + 3 q t + 2 q t + q t + 3 q t +
15 6 17 6 19 7
q t + q t + q t |
In[21]:= | ColouredJones[Knot[9, 11], 2][q] |
Out[21]= | -2 2 2 3 4 5 6 7
-1 + q - - + 6 q - 4 q - 6 q + 13 q - 3 q - 14 q + 18 q -
q
9 10 11 12 13 14 15 16
22 q + 21 q + 5 q - 26 q + 19 q + 9 q - 25 q + 14 q +
17 18 19 20 21 22 23 24 25
7 q - 17 q + 9 q + 3 q - 8 q + 4 q + q - 2 q + q |