In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 24]] |
Out[2]= | PD[X[1, 4, 2, 5], X[3, 8, 4, 9], X[5, 14, 6, 15], X[9, 17, 10, 16],
X[11, 1, 12, 18], X[17, 11, 18, 10], X[15, 13, 16, 12],
X[13, 6, 14, 7], X[7, 2, 8, 3]] |
In[3]:= | GaussCode[Knot[9, 24]] |
Out[3]= | GaussCode[-1, 9, -2, 1, -3, 8, -9, 2, -4, 6, -5, 7, -8, 3, -7, 4, -6, 5] |
In[4]:= | DTCode[Knot[9, 24]] |
Out[4]= | DTCode[4, 8, 14, 2, 16, 18, 6, 12, 10] |
In[5]:= | br = BR[Knot[9, 24]] |
Out[5]= | BR[4, {-1, -1, 2, -1, -3, 2, 2, 2, -3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 9} |
In[7]:= | BraidIndex[Knot[9, 24]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[9, 24]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 24]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 1, 3, 3, {4, 6}, 1} |
In[10]:= | alex = Alexander[Knot[9, 24]][t] |
Out[10]= | -3 5 10 2 3
13 - t + -- - -- - 10 t + 5 t - t
2 t
t |
In[11]:= | Conway[Knot[9, 24]][z] |
Out[11]= | 2 4 6
1 + z - z - z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[8, 18], Knot[9, 24], Knot[11, NonAlternating, 85],
Knot[11, NonAlternating, 164]} |
In[13]:= | {KnotDet[Knot[9, 24]], KnotSignature[Knot[9, 24]]} |
Out[13]= | {45, 0} |
In[14]:= | Jones[Knot[9, 24]][q] |
Out[14]= | -5 2 4 7 7 2 3 4
8 - q + -- - -- + -- - - - 7 q + 5 q - 3 q + q
4 3 2 q
q q q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 24]} |
In[16]:= | A2Invariant[Knot[9, 24]][q] |
Out[16]= | -16 -14 -10 3 2 -4 2 2 4 8 10
-2 - q - q - q + -- + -- + q + -- + q - 2 q + q - q +
8 6 2
q q q
12
q |
In[17]:= | HOMFLYPT[Knot[9, 24]][a, z] |
Out[17]= | 2 4
-2 2 4 2 2 z 2 2 4 2 4 z
-3 + a + 5 a - 2 a - 6 z + ---- + 6 a z - a z - 4 z + -- +
2 2
a a
2 4 6
2 a z - z |
In[18]:= | Kauffman[Knot[9, 24]][a, z] |
Out[18]= | -2 2 4 z 2 z 3 5 2
-3 - a - 5 a - 2 a + -- + --- + 2 a z + 3 a z + 2 a z + 9 z -
3 a
a
2 2 3 3
z 2 z 2 2 4 2 4 z 3 z 3 3 3
-- + ---- + 10 a z + 4 a z - ---- - ---- + a z - 3 a z -
4 2 3 a
a a a
4 4 5 5
5 3 4 z 5 z 2 4 4 4 3 z z
3 a z - 11 z + -- - ---- - 10 a z - 5 a z + ---- - -- -
4 2 3 a
a a a
6 7
5 3 5 5 5 6 4 z 2 6 4 6 3 z
7 a z - 2 a z + a z + 5 z + ---- + 3 a z + 2 a z + ---- +
2 a
a
7 3 7 8 2 8
5 a z + 2 a z + z + a z |
In[19]:= | {Vassiliev[2][Knot[9, 24]], Vassiliev[3][Knot[9, 24]]} |
Out[19]= | {1, -2} |
In[20]:= | Kh[Knot[9, 24]][q, t] |
Out[20]= | 5 1 1 1 3 1 4 3
- + 4 q + ------ + ----- + ----- + ----- + ----- + ----- + ----- +
q 11 5 9 4 7 4 7 3 5 3 5 2 3 2
q t q t q t q t q t q t q t
3 4 3 3 2 5 2 5 3 7 3
---- + --- + 3 q t + 4 q t + 2 q t + 3 q t + q t + 2 q t +
3 q t
q t
9 4
q t |
In[21]:= | ColouredJones[Knot[9, 24], 2][q] |
Out[21]= | -15 2 6 9 3 21 19 14 44 25 31 61
64 + q - --- + --- - --- - --- + -- - -- - -- + -- - -- - -- + -- -
14 12 11 10 9 8 7 6 5 4 3
q q q q q q q q q q q
23 43 2 3 4 5 6 7 8
-- - -- - 16 q - 43 q + 49 q - 6 q - 31 q + 26 q + q - 14 q +
2 q
q
9 10 11 12
8 q + q - 3 q + q |