In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 129]] |
Out[2]= | PD[X[1, 4, 2, 5], X[3, 8, 4, 9], X[5, 14, 6, 15], X[20, 16, 1, 15],
X[16, 10, 17, 9], X[10, 20, 11, 19], X[18, 12, 19, 11],
X[12, 18, 13, 17], X[13, 6, 14, 7], X[7, 2, 8, 3]] |
In[3]:= | GaussCode[Knot[10, 129]] |
Out[3]= | GaussCode[-1, 10, -2, 1, -3, 9, -10, 2, 5, -6, 7, -8, -9, 3, 4, -5, 8,
-7, 6, -4] |
In[4]:= | DTCode[Knot[10, 129]] |
Out[4]= | DTCode[4, 8, 14, 2, -16, -18, 6, -20, -12, -10] |
In[5]:= | br = BR[Knot[10, 129]] |
Out[5]= | BR[4, {1, 1, 1, -2, -1, -1, 3, -2, -1, 3, -2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 11} |
In[7]:= | BraidIndex[Knot[10, 129]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 129]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 129]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 1, 2, 3, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 129]][t] |
Out[10]= | 2 6 2
9 + -- - - - 6 t + 2 t
2 t
t |
In[11]:= | Conway[Knot[10, 129]][z] |
Out[11]= | 2 4
1 + 2 z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[8, 8], Knot[10, 129], Knot[11, NonAlternating, 39],
Knot[11, NonAlternating, 45], Knot[11, NonAlternating, 50],
Knot[11, NonAlternating, 132]} |
In[13]:= | {KnotDet[Knot[10, 129]], KnotSignature[Knot[10, 129]]} |
Out[13]= | {25, 0} |
In[14]:= | Jones[Knot[10, 129]][q] |
Out[14]= | -5 2 3 4 4 2 3
5 - q + -- - -- + -- - - - 3 q + 2 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[8, 8], Knot[10, 129]} |
In[16]:= | A2Invariant[Knot[10, 129]][q] |
Out[16]= | -16 -10 -8 -4 2 2 4 10
1 - q - q + q + q + -- + 2 q - q - q
2
q |
In[17]:= | HOMFLYPT[Knot[10, 129]][a, z] |
Out[17]= | 2
-2 2 4 2 z 2 2 4 2 4 2 4
2 - a + a - a + 2 z - -- + 2 a z - a z + z + a z
2
a |
In[18]:= | Kauffman[Knot[10, 129]][a, z] |
Out[18]= | 2
-2 2 4 2 z 5 z 3 5 2 3 z
2 + a - a - a - --- - --- - 5 a z - a z + a z - 4 z - ---- +
3 a 2
a a
3 3
2 2 4 2 z 9 z 3 3 3 5 3 4
2 a z + 3 a z + -- + ---- + 15 a z + 4 a z - 3 a z + 8 z +
3 a
a
4 5
2 z 4 4 4 z 5 3 5 5 5 6 2 6
---- - 6 a z - ---- - 11 a z - 6 a z + a z - 4 z - 2 a z +
2 a
a
7
4 6 z 7 3 7 8 2 8
2 a z + -- + 3 a z + 2 a z + z + a z
a |
In[19]:= | {Vassiliev[2][Knot[10, 129]], Vassiliev[3][Knot[10, 129]]} |
Out[19]= | {2, -1} |
In[20]:= | Kh[Knot[10, 129]][q, t] |
Out[20]= | 3 1 1 1 2 1 2 2
- + 3 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
2 2 3 3 2 5 2 7 3
---- + --- + q t + 2 q t + q t + q t + q t
3 q t
q t |
In[21]:= | ColouredJones[Knot[10, 129], 2][q] |
Out[21]= | -15 2 5 6 3 11 6 9 15 2 15 16
14 + q - --- + --- - --- - --- + -- - -- - -- + -- - -- - -- + -- +
14 12 11 10 9 8 7 6 5 4 3
q q q q q q q q q q q
2 17 2 3 4 5 6 7 8
-- - -- + 4 q - 13 q + 6 q + 4 q - 6 q + q + 2 q - q
2 q
q |