In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 40]] |
Out[2]= | PD[X[1, 4, 2, 5], X[3, 10, 4, 11], X[11, 1, 12, 20], X[5, 13, 6, 12],
X[7, 17, 8, 16], X[15, 19, 16, 18], X[19, 15, 20, 14],
X[13, 7, 14, 6], X[17, 9, 18, 8], X[9, 2, 10, 3]] |
In[3]:= | GaussCode[Knot[10, 40]] |
Out[3]= | GaussCode[-1, 10, -2, 1, -4, 8, -5, 9, -10, 2, -3, 4, -8, 7, -6, 5, -9,
6, -7, 3] |
In[4]:= | DTCode[Knot[10, 40]] |
Out[4]= | DTCode[4, 10, 12, 16, 2, 20, 6, 18, 8, 14] |
In[5]:= | br = BR[Knot[10, 40]] |
Out[5]= | BR[4, {1, 1, 1, 2, -1, 2, 2, -3, 2, -3, -3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 11} |
In[7]:= | BraidIndex[Knot[10, 40]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 40]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 40]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 3, 2, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 40]][t] |
Out[10]= | 2 8 17 2 3
-21 + -- - -- + -- + 17 t - 8 t + 2 t
3 2 t
t t |
In[11]:= | Conway[Knot[10, 40]][z] |
Out[11]= | 2 4 6
1 + 3 z + 4 z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 40], Knot[10, 103]} |
In[13]:= | {KnotDet[Knot[10, 40]], KnotSignature[Knot[10, 40]]} |
Out[13]= | {75, 2} |
In[14]:= | Jones[Knot[10, 40]][q] |
Out[14]= | -2 3 2 3 4 5 6 7 8
-6 - q + - + 10 q - 11 q + 13 q - 12 q + 9 q - 6 q + 3 q - q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 40], Knot[10, 103]} |
In[16]:= | A2Invariant[Knot[10, 40]][q] |
Out[16]= | -6 -4 -2 2 4 6 8 12 14 16
-1 - q + q - q + 3 q - q + 4 q + q + q - 3 q + 2 q -
18 20 22 24
q - q + q - q |
In[17]:= | HOMFLYPT[Knot[10, 40]][a, z] |
Out[17]= | 2 2 2 4 4 4
-6 3 2 2 z 3 z 4 z 4 z 3 z 3 z
-1 - a + -- - 2 z - ---- + ---- + ---- - z - -- + ---- + ---- +
2 6 4 2 6 4 2
a a a a a a a
6 6
z z
-- + --
4 2
a a |
In[18]:= | Kauffman[Knot[10, 40]][a, z] |
Out[18]= | 2 2 2 2
-6 3 z 2 z 2 z 2 3 z z z 7 z
-1 + a - -- + -- + --- + --- + a z + 4 z + ---- + -- + -- + ---- -
2 9 3 a 8 6 4 2
a a a a a a a
3 3 3 3 3 4 4 4
2 z 2 z 6 z 3 z z 3 4 6 z 5 z 2 z
---- + ---- + ---- + ---- - -- - 2 a z - 6 z - ---- - ---- - ---- -
9 7 5 3 a 8 6 4
a a a a a a a
4 5 5 5 5 5 6 6
9 z z 6 z 13 z 12 z 5 z 5 6 3 z 5 z
---- + -- - ---- - ----- - ----- - ---- + a z + 3 z + ---- - ---- +
2 9 7 5 3 a 8 4
a a a a a a a
6 7 7 7 7 8 8 8 9 9
z 4 z 7 z 7 z 4 z 3 z 6 z 3 z z z
-- + ---- + ---- + ---- + ---- + ---- + ---- + ---- + -- + --
2 7 5 3 a 6 4 2 5 3
a a a a a a a a a |
In[19]:= | {Vassiliev[2][Knot[10, 40]], Vassiliev[3][Knot[10, 40]]} |
Out[19]= | {3, 4} |
In[20]:= | Kh[Knot[10, 40]][q, t] |
Out[20]= | 3 1 2 1 4 2 q 3 5
6 q + 5 q + ----- + ----- + ---- + --- + --- + 6 q t + 5 q t +
5 3 3 2 2 q t t
q t q t q t
5 2 7 2 7 3 9 3 9 4 11 4
7 q t + 6 q t + 5 q t + 7 q t + 4 q t + 5 q t +
11 5 13 5 13 6 15 6 17 7
2 q t + 4 q t + q t + 2 q t + q t |
In[21]:= | ColouredJones[Knot[10, 40], 2][q] |
Out[21]= | -7 3 -5 9 17 37 2 3 4
-44 + q - -- + q + -- - -- + -- - 14 q + 86 q - 70 q - 42 q +
6 4 3 q
q q q
5 6 7 8 9 10 11 12
132 q - 79 q - 71 q + 150 q - 67 q - 83 q + 130 q - 38 q -
13 14 15 16 17 19 20 21
71 q + 82 q - 12 q - 43 q + 35 q - 16 q + 9 q + q -
22 23
3 q + q |