In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 142]] |
Out[2]= | PD[X[4, 2, 5, 1], X[10, 4, 11, 3], X[11, 19, 12, 18], X[5, 15, 6, 14],
X[17, 7, 18, 6], X[7, 17, 8, 16], X[15, 9, 16, 8], X[13, 1, 14, 20],
X[19, 13, 20, 12], X[2, 10, 3, 9]] |
In[3]:= | GaussCode[Knot[10, 142]] |
Out[3]= | GaussCode[1, -10, 2, -1, -4, 5, -6, 7, 10, -2, -3, 9, -8, 4, -7, 6, -5,
3, -9, 8] |
In[4]:= | DTCode[Knot[10, 142]] |
Out[4]= | DTCode[4, 10, -14, -16, 2, -18, -20, -8, -6, -12] |
In[5]:= | br = BR[Knot[10, 142]] |
Out[5]= | BR[4, {1, 1, 1, 2, 1, 1, 1, 2, 3, -2, 3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 11} |
In[7]:= | BraidIndex[Knot[10, 142]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 142]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 142]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 3, 3, 3, NotAvailable, 2} |
In[10]:= | alex = Alexander[Knot[10, 142]][t] |
Out[10]= | 2 3 2 2 3
-1 + -- - -- + - + 2 t - 3 t + 2 t
3 2 t
t t |
In[11]:= | Conway[Knot[10, 142]][z] |
Out[11]= | 2 4 6
1 + 8 z + 9 z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 142]} |
In[13]:= | {KnotDet[Knot[10, 142]], KnotSignature[Knot[10, 142]]} |
Out[13]= | {15, 6} |
In[14]:= | Jones[Knot[10, 142]][q] |
Out[14]= | 3 4 5 6 7 8 9 10
q - q + 2 q - 2 q + 3 q - 2 q + 2 q - 2 q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 142]} |
In[16]:= | A2Invariant[Knot[10, 142]][q] |
Out[16]= | 10 14 18 20 22 24 28 30 32 34 38
q + q + q + q + 2 q + 3 q - q - 3 q - 2 q - q + q |
In[17]:= | HOMFLYPT[Knot[10, 142]][a, z] |
Out[17]= | 2 2 2 4 4 4 6 6
-12 5 4 -6 5 z 7 z 6 z z 5 z 5 z z z
a - --- + -- + a - ---- + ---- + ---- - --- + ---- + ---- + -- + --
10 8 10 8 6 10 8 6 8 6
a a a a a a a a a a |
In[18]:= | Kauffman[Knot[10, 142]][a, z] |
Out[18]= | 2 2 2 2
-12 5 4 -6 2 z 4 z 6 z z 17 z 10 z 6 z
a + --- + -- - a + --- - --- - --- - --- - ----- - ----- + ---- +
10 8 13 11 9 12 10 8 6
a a a a a a a a a
3 3 3 4 4 4 4 5 5
9 z 12 z 3 z z 15 z 9 z 5 z 5 z 9 z
---- + ----- + ---- + --- + ----- + ---- - ---- - ---- - ---- -
11 9 7 12 10 8 6 11 9
a a a a a a a a a
5 6 6 6 7 7 7 8 8
4 z 6 z 5 z z z 2 z z z z
---- - ---- - ---- + -- + --- + ---- + -- + --- + --
7 10 8 6 11 9 7 10 8
a a a a a a a a a |
In[19]:= | {Vassiliev[2][Knot[10, 142]], Vassiliev[3][Knot[10, 142]]} |
Out[19]= | {8, 21} |
In[20]:= | Kh[Knot[10, 142]][q, t] |
Out[20]= | 5 7 7 9 2 11 2 11 3 13 3 13 4 15 4
q + q + q t + q t + q t + q t + q t + 2 q t + q t +
17 5 17 6 21 7
2 q t + 2 q t + 2 q t |
In[21]:= | ColouredJones[Knot[10, 142], 2][q] |
Out[21]= | 6 7 9 10 11 12 13 14 15 17
q - q + 3 q - 2 q - 2 q + 5 q - q - 4 q + 4 q - 4 q +
18 19 20 22 23 24 25 26 29
3 q + 2 q - 3 q + 3 q - 3 q - q + q - q + q |