In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 14]] |
Out[2]= | PD[X[1, 4, 2, 5], X[5, 12, 6, 13], X[3, 11, 4, 10], X[11, 3, 12, 2],
X[13, 18, 14, 1], X[9, 15, 10, 14], X[7, 17, 8, 16], X[15, 9, 16, 8],
X[17, 7, 18, 6]] |
In[3]:= | GaussCode[Knot[9, 14]] |
Out[3]= | GaussCode[-1, 4, -3, 1, -2, 9, -7, 8, -6, 3, -4, 2, -5, 6, -8, 7, -9, 5] |
In[4]:= | DTCode[Knot[9, 14]] |
Out[4]= | DTCode[4, 10, 12, 16, 14, 2, 18, 8, 6] |
In[5]:= | br = BR[Knot[9, 14]] |
Out[5]= | BR[5, {1, 1, 2, -1, -3, 2, -3, 4, -3, 4}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {5, 10} |
In[7]:= | BraidIndex[Knot[9, 14]] |
Out[7]= | 5 |
In[8]:= | Show[DrawMorseLink[Knot[9, 14]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 14]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 1, 2, 2, {4, 7}, 1} |
In[10]:= | alex = Alexander[Knot[9, 14]][t] |
Out[10]= | 2 9 2
15 + -- - - - 9 t + 2 t
2 t
t |
In[11]:= | Conway[Knot[9, 14]][z] |
Out[11]= | 2 4
1 - z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 14]} |
In[13]:= | {KnotDet[Knot[9, 14]], KnotSignature[Knot[9, 14]]} |
Out[13]= | {37, 0} |
In[14]:= | Jones[Knot[9, 14]][q] |
Out[14]= | -3 3 4 2 3 4 5 6
6 - q + -- - - - 6 q + 6 q - 5 q + 3 q - 2 q + q
2 q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 14], Knot[11, NonAlternating, 53]} |
In[16]:= | A2Invariant[Knot[9, 14]][q] |
Out[16]= | -10 -8 -6 -4 2 2 4 8 10 12 16 18
-q + q + q - q + -- + q + q + q - 2 q - q - q + q +
2
q
20
q |
In[17]:= | HOMFLYPT[Knot[9, 14]][a, z] |
Out[17]= | 2 2 4
-6 2 -2 2 2 z z 2 2 4 z
1 + a - -- + a + z - ---- + -- - a z + z + --
4 4 2 2
a a a a |
In[18]:= | Kauffman[Knot[9, 14]][a, z] |
Out[18]= | 2 2 2
-6 2 -2 3 z 5 z 2 z 4 z 10 z 8 z 2 2
1 - a - -- - a - --- - --- - --- + ---- + ----- + ---- - 2 a z +
4 5 3 a 6 4 2
a a a a a a
3 3 3 4 4 4
9 z 15 z 2 z 3 3 3 4 4 z 9 z 12 z
---- + ----- + ---- - 3 a z + a z - 4 z - ---- - ---- - ----- +
5 3 a 6 4 2
a a a a a
5 5 5 6 6 7
2 4 8 z 16 z 4 z 5 6 z 3 z 2 z
3 a z - ---- - ----- - ---- + 4 a z + 4 z + -- + ---- + ---- +
5 3 a 6 2 5
a a a a a
7 7 8 8
5 z 3 z z z
---- + ---- + -- + --
3 a 4 2
a a a |
In[19]:= | {Vassiliev[2][Knot[9, 14]], Vassiliev[3][Knot[9, 14]]} |
Out[19]= | {-1, -2} |
In[20]:= | Kh[Knot[9, 14]][q, t] |
Out[20]= | 4 1 2 1 2 2 3
- + 3 q + ----- + ----- + ----- + ---- + --- + 3 q t + 3 q t +
q 7 3 5 2 3 2 3 q t
q t q t q t q t
3 2 5 2 5 3 7 3 7 4 9 4 9 5
3 q t + 3 q t + 2 q t + 3 q t + q t + 2 q t + q t +
11 5 13 6
q t + q t |
In[21]:= | ColouredJones[Knot[9, 14], 2][q] |
Out[21]= | -9 3 -7 6 11 5 13 23 9 2
21 + q - -- + q + -- - -- + -- + -- - -- + - - 33 q + 9 q +
8 6 5 4 3 2 q
q q q q q q
3 4 5 6 7 8 9 10
27 q - 34 q + 4 q + 28 q - 27 q - 2 q + 23 q - 16 q -
11 12 13 14 15 16 17 18
5 q + 15 q - 6 q - 5 q + 6 q - q - 2 q + q |