In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 128]] |
Out[2]= | PD[X[4, 2, 5, 1], X[8, 4, 9, 3], X[9, 17, 10, 16], X[5, 15, 6, 14],
X[15, 7, 16, 6], X[13, 1, 14, 20], X[19, 11, 20, 10],
X[11, 19, 12, 18], X[17, 13, 18, 12], X[2, 8, 3, 7]] |
In[3]:= | GaussCode[Knot[10, 128]] |
Out[3]= | GaussCode[1, -10, 2, -1, -4, 5, 10, -2, -3, 7, -8, 9, -6, 4, -5, 3, -9,
8, -7, 6] |
In[4]:= | DTCode[Knot[10, 128]] |
Out[4]= | DTCode[4, 8, -14, 2, -16, -18, -20, -6, -12, -10] |
In[5]:= | br = BR[Knot[10, 128]] |
Out[5]= | BR[4, {1, 1, 1, 2, 1, 1, 2, 2, 3, -2, 3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 11} |
In[7]:= | BraidIndex[Knot[10, 128]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 128]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 128]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 3, 3, 3, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 128]][t] |
Out[10]= | 2 3 1 2 3
1 + -- - -- + - + t - 3 t + 2 t
3 2 t
t t |
In[11]:= | Conway[Knot[10, 128]][z] |
Out[11]= | 2 4 6
1 + 7 z + 9 z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 128]} |
In[13]:= | {KnotDet[Knot[10, 128]], KnotSignature[Knot[10, 128]]} |
Out[13]= | {11, 6} |
In[14]:= | Jones[Knot[10, 128]][q] |
Out[14]= | 3 4 5 6 7 8 9 10
q - q + 2 q - q + 2 q - 2 q + q - q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 128]} |
In[16]:= | A2Invariant[Knot[10, 128]][q] |
Out[16]= | 10 14 16 18 20 22 24 26 28 30 32
q + q + q + 2 q + q + q + q - q - q - 2 q - q -
34 38
q + q |
In[17]:= | HOMFLYPT[Knot[10, 128]][a, z] |
Out[17]= | 2 2 2 4 4 4 6 6
-12 4 2 2 5 z 6 z 6 z z 5 z 5 z z z
a - --- + -- + -- - ---- + ---- + ---- - --- + ---- + ---- + -- + --
10 8 6 10 8 6 10 8 6 8 6
a a a a a a a a a a a |
In[18]:= | Kauffman[Knot[10, 128]][a, z] |
Out[18]= | 2 2 2 3
-12 4 2 2 6 z 5 z z 11 z 5 z 6 z 11 z
a + --- + -- - -- - --- - --- + -- - ----- - ---- + ---- + ----- +
10 8 6 11 9 7 10 8 6 11
a a a a a a a a a a
3 3 4 4 4 5 5 5 6
13 z 2 z 12 z 7 z 5 z 6 z 10 z 4 z 6 z
----- + ---- + ----- + ---- - ---- - ---- - ----- - ---- - ---- -
9 7 10 8 6 11 9 7 10
a a a a a a a a a
6 6 7 7 7 8 8
5 z z z 2 z z z z
---- + -- + --- + ---- + -- + --- + --
8 6 11 9 7 10 8
a a a a a a a |
In[19]:= | {Vassiliev[2][Knot[10, 128]], Vassiliev[3][Knot[10, 128]]} |
Out[19]= | {7, 17} |
In[20]:= | Kh[Knot[10, 128]][q, t] |
Out[20]= | 5 7 7 9 2 11 2 11 3 13 3 11 4 13 4
q + q + q t + q t + q t + q t + q t + q t + 2 q t +
15 4 15 5 17 5 17 6 21 7
q t + q t + 2 q t + q t + q t |
In[21]:= | ColouredJones[Knot[10, 128], 2][q] |
Out[21]= | 6 7 9 10 11 12 13 14 15 16
q - q + 3 q - 2 q - q + 4 q - 2 q - q + 2 q - q -
19 20 21 23 24 26 27 28 29
q + q - 2 q + 2 q - 2 q + 2 q - q - q + q |