In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 8]] |
Out[2]= | PD[X[1, 6, 2, 7], X[7, 16, 8, 17], X[5, 13, 6, 12], X[3, 15, 4, 14],
X[13, 5, 14, 4], X[15, 3, 16, 2], X[9, 18, 10, 19], X[11, 20, 12, 1],
X[17, 8, 18, 9], X[19, 10, 20, 11]] |
In[3]:= | GaussCode[Knot[10, 8]] |
Out[3]= | GaussCode[-1, 6, -4, 5, -3, 1, -2, 9, -7, 10, -8, 3, -5, 4, -6, 2, -9,
7, -10, 8] |
In[4]:= | DTCode[Knot[10, 8]] |
Out[4]= | DTCode[6, 14, 12, 16, 18, 20, 4, 2, 8, 10] |
In[5]:= | br = BR[Knot[10, 8]] |
Out[5]= | BR[4, {-1, -1, -1, -1, -1, 2, -1, 2, 3, -2, 3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 11} |
In[7]:= | BraidIndex[Knot[10, 8]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 8]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 8]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 3, 2, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 8]][t] |
Out[10]= | 2 5 5 2 3
5 - -- + -- - - - 5 t + 5 t - 2 t
3 2 t
t t |
In[11]:= | Conway[Knot[10, 8]][z] |
Out[11]= | 2 4 6
1 - 3 z - 7 z - 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 8]} |
In[13]:= | {KnotDet[Knot[10, 8]], KnotSignature[Knot[10, 8]]} |
Out[13]= | {29, -4} |
In[14]:= | Jones[Knot[10, 8]][q] |
Out[14]= | -8 2 3 4 4 4 4 3 2
2 + q - -- + -- - -- + -- - -- + -- - - - q + q
7 6 5 4 3 2 q
q q q q q q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 8]} |
In[16]:= | A2Invariant[Knot[10, 8]][q] |
Out[16]= | -24 -14 -12 -8 -6 2 4 6
1 + q + q - q - q - q + q + q + q |
In[17]:= | HOMFLYPT[Knot[10, 8]][a, z] |
Out[17]= | 2 6 2 2 2 4 2 6 2 4 2 4
3 - 3 a + a + 4 z - 7 a z - 3 a z + 3 a z + z - 5 a z -
4 4 6 4 2 6 4 6
4 a z + a z - a z - a z |
In[18]:= | Kauffman[Knot[10, 8]][a, z] |
Out[18]= | 2 6 3 5 7 2 2 2 4 2
3 + 3 a - a - a z + a z + 2 a z - 13 z - 18 a z + 3 a z +
6 2 8 2 10 2 3 3 3 5 3 7 3
5 a z - 2 a z + a z - 6 a z + 5 a z + 2 a z - 7 a z +
9 3 4 2 4 4 4 6 4 8 4 5
2 a z + 16 z + 30 a z + a z - 10 a z + 3 a z + 11 a z -
3 5 5 5 7 5 6 2 6 4 6 6 6
a z - 8 a z + 4 a z - 7 z - 17 a z - 6 a z + 4 a z -
7 3 7 5 7 8 2 8 4 8 9 3 9
6 a z - 3 a z + 3 a z + z + 3 a z + 2 a z + a z + a z |
In[19]:= | {Vassiliev[2][Knot[10, 8]], Vassiliev[3][Knot[10, 8]]} |
Out[19]= | {-3, 4} |
In[20]:= | Kh[Knot[10, 8]][q, t] |
Out[20]= | 2 3 1 1 1 2 1 2 2
-- + -- + ------ + ------ + ------ + ------ + ------ + ------ + ----- +
5 3 17 6 15 5 13 5 13 4 11 4 11 3 9 3
q q q t q t q t q t q t q t q t
2 2 2 2 2 t t 2 3 5 4
----- + ----- + ---- + ---- + --- + - + 2 q t + q t + q t
9 2 7 2 7 5 3 q
q t q t q t q t q |
In[21]:= | ColouredJones[Knot[10, 8], 2][q] |
Out[21]= | -22 2 -20 2 5 4 2 7 5 2
-7 + q - --- + q + --- - --- + --- + --- - --- + --- + --- -
21 19 18 17 16 15 14 13
q q q q q q q q
8 6 3 10 7 5 11 5 6 10 3 6
--- + --- + --- - -- + -- + -- - -- + -- + -- - -- + -- + - + q +
12 11 10 9 8 7 6 5 4 3 2 q
q q q q q q q q q q q
2 3 4 5 6 7 8
5 q - 4 q - q + 3 q - q - q + q |