In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 16]] |
Out[2]= | PD[X[6, 2, 7, 1], X[16, 8, 17, 7], X[12, 5, 13, 6], X[14, 3, 15, 4],
X[4, 13, 5, 14], X[2, 15, 3, 16], X[20, 12, 1, 11], X[8, 20, 9, 19],
X[18, 10, 19, 9], X[10, 18, 11, 17]] |
In[3]:= | GaussCode[Knot[10, 16]] |
Out[3]= | GaussCode[1, -6, 4, -5, 3, -1, 2, -8, 9, -10, 7, -3, 5, -4, 6, -2, 10,
-9, 8, -7] |
In[4]:= | DTCode[Knot[10, 16]] |
Out[4]= | DTCode[6, 14, 12, 16, 18, 20, 4, 2, 10, 8] |
In[5]:= | br = BR[Knot[10, 16]] |
Out[5]= | BR[5, {1, 1, 2, -1, 2, 2, -3, 2, -3, -4, 3, -4}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {5, 12} |
In[7]:= | BraidIndex[Knot[10, 16]] |
Out[7]= | 5 |
In[8]:= | Show[DrawMorseLink[Knot[10, 16]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 16]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 2, 2, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 16]][t] |
Out[10]= | 4 12 2
-15 - -- + -- + 12 t - 4 t
2 t
t |
In[11]:= | Conway[Knot[10, 16]][z] |
Out[11]= | 2 4
1 - 4 z - 4 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 16]} |
In[13]:= | {KnotDet[Knot[10, 16]], KnotSignature[Knot[10, 16]]} |
Out[13]= | {47, 2} |
In[14]:= | Jones[Knot[10, 16]][q] |
Out[14]= | -3 2 4 2 3 4 5 6 7
-5 + q - -- + - + 7 q - 8 q + 7 q - 6 q + 4 q - 2 q + q
2 q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 16]} |
In[16]:= | A2Invariant[Knot[10, 16]][q] |
Out[16]= | -10 2 2 4 8 14 16 22
1 + q + -- + q - 2 q - 2 q - q + 2 q + q
4
q |
In[17]:= | HOMFLYPT[Knot[10, 16]][a, z] |
Out[17]= | 2 2 2 4 4
-6 2 2 2 z z 4 z 2 2 4 z 2 z
1 + a - -- + a - z + -- - -- - ---- + a z - z - -- - ----
2 6 4 2 4 2
a a a a a a |
In[18]:= | Kauffman[Knot[10, 16]][a, z] |
Out[18]= | 2 2 2 2
-6 2 2 4 z 4 z 2 2 z 5 z 2 z 11 z
1 - a + -- - a - --- - --- - 2 z - ---- + ---- + ---- - ----- +
2 5 3 8 6 4 2
a a a a a a a
3 3 3 4 4 4
2 2 3 z 10 z 8 z 3 4 z 6 z 2 z
4 a z - ---- + ----- + ---- + 5 a z + 4 z + -- - ---- + ---- +
7 5 3 8 6 4
a a a a a a
4 5 5 5 5 6
17 z 2 4 2 z 7 z 4 z 2 z 5 6 3 z
----- - 4 a z + ---- - ---- - ---- - ---- - 7 a z - 6 z + ---- -
2 7 5 3 a 6
a a a a a
6 6 7 7 8 8 9
3 z 13 z 2 6 3 z z 7 8 2 z 4 z z
---- - ----- + a z + ---- - -- + 2 a z + 2 z + ---- + ---- + -- +
4 2 5 a 4 2 3
a a a a a a
9
z
--
a |
In[19]:= | {Vassiliev[2][Knot[10, 16]], Vassiliev[3][Knot[10, 16]]} |
Out[19]= | {-4, -4} |
In[20]:= | Kh[Knot[10, 16]][q, t] |
Out[20]= | 3 1 1 1 3 1 2 3 q
5 q + 3 q + ----- + ----- + ----- + ----- + ---- + --- + --- +
7 4 5 3 3 3 3 2 2 q t t
q t q t q t q t q t
3 5 5 2 7 2 7 3 9 3 9 4
4 q t + 4 q t + 3 q t + 4 q t + 3 q t + 3 q t + q t +
11 4 11 5 13 5 15 6
3 q t + q t + q t + q t |
In[21]:= | ColouredJones[Knot[10, 16], 2][q] |
Out[21]= | -10 2 6 7 4 17 11 14 29 2
-10 + q - -- + -- - -- - -- + -- - -- - -- + -- - 27 q + 38 q -
9 7 6 5 4 3 2 q
q q q q q q q
3 4 5 6 7 8 9 10
5 q - 38 q + 41 q + 2 q - 41 q + 35 q + 5 q - 32 q +
11 12 13 14 15 16 17 18
23 q + 4 q - 18 q + 11 q + 2 q - 8 q + 4 q + q -
19 20
2 q + q |