In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 155]] |
Out[2]= | PD[X[1, 6, 2, 7], X[7, 16, 8, 17], X[3, 11, 4, 10], X[15, 3, 16, 2],
X[5, 15, 6, 14], X[11, 5, 12, 4], X[9, 18, 10, 19], X[20, 14, 1, 13],
X[17, 8, 18, 9], X[12, 20, 13, 19]] |
In[3]:= | GaussCode[Knot[10, 155]] |
Out[3]= | GaussCode[-1, 4, -3, 6, -5, 1, -2, 9, -7, 3, -6, -10, 8, 5, -4, 2, -9,
7, 10, -8] |
In[4]:= | DTCode[Knot[10, 155]] |
Out[4]= | DTCode[6, 10, 14, 16, 18, 4, -20, 2, 8, -12] |
In[5]:= | br = BR[Knot[10, 155]] |
Out[5]= | BR[3, {1, 1, 1, 2, -1, -1, 2, -1, -1, 2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {3, 10} |
In[7]:= | BraidIndex[Knot[10, 155]] |
Out[7]= | 3 |
In[8]:= | Show[DrawMorseLink[Knot[10, 155]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 155]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 3, 3, NotAvailable, 2} |
In[10]:= | alex = Alexander[Knot[10, 155]][t] |
Out[10]= | -3 3 5 2 3
7 - t + -- - - - 5 t + 3 t - t
2 t
t |
In[11]:= | Conway[Knot[10, 155]][z] |
Out[11]= | 2 4 6
1 - 2 z - 3 z - z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[8, 9], Knot[10, 155], Knot[11, NonAlternating, 37]} |
In[13]:= | {KnotDet[Knot[10, 155]], KnotSignature[Knot[10, 155]]} |
Out[13]= | {25, 0} |
In[14]:= | Jones[Knot[10, 155]][q] |
Out[14]= | -2 2 2 3 4 5 6
4 + q - - - 4 q + 4 q - 4 q + 3 q - 2 q + q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 137], Knot[10, 155], Knot[11, NonAlternating, 37]} |
In[16]:= | A2Invariant[Knot[10, 155]][q] |
Out[16]= | -6 2 6 10 14 18
1 + q + -- - 2 q - q + q + q
2
q |
In[17]:= | HOMFLYPT[Knot[10, 155]][a, z] |
Out[17]= | 2 2 4 4 6
2 4 2 3 z 8 z 4 z 5 z z
3 + -- - -- + 3 z + ---- - ---- + z + -- - ---- - --
4 2 4 2 4 2 2
a a a a a a a |
In[18]:= | Kauffman[Knot[10, 155]][a, z] |
Out[18]= | 2 2 2 3
2 4 2 z 2 z 2 4 z z 11 z 2 2 8 z
3 + -- + -- - --- - --- - 5 z + ---- - -- - ----- + a z + ---- +
4 2 5 3 6 4 2 5
a a a a a a a a
3 4 4 4 5 5 5 6
6 z 3 4 4 z z 7 z 8 z 9 z z z
---- + 2 a z + 4 z - ---- - -- + ---- - ---- - ---- - -- + -- -
3 6 4 2 5 3 a 6
a a a a a a a
6 6 7 7 7 8 8
2 z 3 z 2 z 3 z z z z
---- - ---- + ---- + ---- + -- + -- + --
4 2 5 3 a 4 2
a a a a a a |
In[19]:= | {Vassiliev[2][Knot[10, 155]], Vassiliev[3][Knot[10, 155]]} |
Out[19]= | {-2, -2} |
In[20]:= | Kh[Knot[10, 155]][q, t] |
Out[20]= | 3 1 1 1 3 3 2 5 2
- + 2 q + ----- + ---- + --- + 2 q t + 2 q t + 2 q t + 2 q t +
q 5 2 3 q t
q t q t
5 3 7 3 7 4 9 4 9 5 11 5 13 6
2 q t + 2 q t + q t + 2 q t + q t + q t + q t |
In[21]:= | ColouredJones[Knot[10, 155], 2][q] |
Out[21]= | -6 -5 -4 5 7 2 3 4 5
1 + q - q + q - -- + - - 11 q + 11 q + 3 q - 15 q + 9 q +
2 q
q
6 7 8 9 10 12 13 14
8 q - 15 q + 5 q + 11 q - 13 q + 10 q - 7 q - 3 q +
15 16 17 18
6 q - q - 2 q + q |