In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 32]] |
Out[2]= | PD[X[1, 4, 2, 5], X[13, 18, 14, 1], X[3, 9, 4, 8], X[9, 3, 10, 2],
X[7, 15, 8, 14], X[15, 11, 16, 10], X[5, 12, 6, 13],
X[11, 17, 12, 16], X[17, 7, 18, 6]] |
In[3]:= | GaussCode[Knot[9, 32]] |
Out[3]= | GaussCode[-1, 4, -3, 1, -7, 9, -5, 3, -4, 6, -8, 7, -2, 5, -6, 8, -9, 2] |
In[4]:= | DTCode[Knot[9, 32]] |
Out[4]= | DTCode[4, 8, 12, 14, 2, 16, 18, 10, 6] |
In[5]:= | br = BR[Knot[9, 32]] |
Out[5]= | BR[4, {1, 1, -2, 1, -2, 1, 3, -2, 3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 9} |
In[7]:= | BraidIndex[Knot[9, 32]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[9, 32]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 32]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Chiral, 2, 3, 3, {4, 6}, 1} |
In[10]:= | alex = Alexander[Knot[9, 32]][t] |
Out[10]= | -3 6 14 2 3
-17 + t - -- + -- + 14 t - 6 t + t
2 t
t |
In[11]:= | Conway[Knot[9, 32]][z] |
Out[11]= | 2 6
1 - z + z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 32], Knot[11, NonAlternating, 52],
Knot[11, NonAlternating, 124]} |
In[13]:= | {KnotDet[Knot[9, 32]], KnotSignature[Knot[9, 32]]} |
Out[13]= | {59, 2} |
In[14]:= | Jones[Knot[9, 32]][q] |
Out[14]= | -2 4 2 3 4 5 6 7
-6 - q + - + 9 q - 10 q + 10 q - 9 q + 6 q - 3 q + q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 32]} |
In[16]:= | A2Invariant[Knot[9, 32]][q] |
Out[16]= | -6 2 2 4 6 8 14 16 18 22
1 - q + -- + 3 q - 2 q + 2 q - 2 q - 2 q + 2 q - q + q
4
q |
In[17]:= | HOMFLYPT[Knot[9, 32]][a, z] |
Out[17]= | 2 2 2 4 4 6
-6 2 -2 2 z 4 z 3 z 4 2 z 3 z z
1 + a - -- + a - z + -- - ---- + ---- - z - ---- + ---- + --
4 6 4 2 4 2 2
a a a a a a a |
In[18]:= | Kauffman[Knot[9, 32]][a, z] |
Out[18]= | 2 2 2 2
-6 2 -2 z 2 z z 2 z 4 z 12 z 10 z
1 - a - -- - a + -- - --- - - + 3 z - -- + ---- + ----- + ----- -
4 7 3 a 8 6 4 2
a a a a a a a
3 3 3 3 4 4 4 4
3 z 2 z 9 z 3 z 3 4 z 6 z 18 z 19 z
---- + ---- + ---- + ---- - a z - 8 z + -- - ---- - ----- - ----- +
7 5 3 a 8 6 4 2
a a a a a a a
5 5 5 5 6 6 6
3 z 5 z 18 z 9 z 5 6 5 z 7 z 6 z
---- - ---- - ----- - ---- + a z + 4 z + ---- + ---- + ---- +
7 5 3 a 6 4 2
a a a a a a
7 7 7 8 8
5 z 10 z 5 z 2 z 2 z
---- + ----- + ---- + ---- + ----
5 3 a 4 2
a a a a |
In[19]:= | {Vassiliev[2][Knot[9, 32]], Vassiliev[3][Knot[9, 32]]} |
Out[19]= | {-1, -2} |
In[20]:= | Kh[Knot[9, 32]][q, t] |
Out[20]= | 3 1 3 1 3 3 q 3 5
6 q + 4 q + ----- + ----- + ---- + --- + --- + 5 q t + 5 q t +
5 3 3 2 2 q t t
q t q t q t
5 2 7 2 7 3 9 3 9 4 11 4 11 5
5 q t + 5 q t + 4 q t + 5 q t + 2 q t + 4 q t + q t +
13 5 15 6
2 q t + q t |
In[21]:= | ColouredJones[Knot[9, 32], 2][q] |
Out[21]= | -7 4 -5 14 19 9 46 2 3
-32 + q - -- + q + -- - -- - -- + -- - 37 q + 82 q - 32 q -
6 4 3 2 q
q q q q
4 5 6 7 8 9 10 11
69 q + 102 q - 20 q - 87 q + 97 q - 4 q - 80 q + 67 q +
12 13 14 15 16 17 18 19 20
8 q - 50 q + 29 q + 8 q - 18 q + 7 q + 2 q - 3 q + q |