In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 130]] |
Out[2]= | PD[X[4, 2, 5, 1], X[8, 4, 9, 3], X[5, 14, 6, 15], X[15, 20, 16, 1],
X[9, 16, 10, 17], X[19, 10, 20, 11], X[11, 18, 12, 19],
X[17, 12, 18, 13], X[13, 6, 14, 7], X[2, 8, 3, 7]] |
In[3]:= | GaussCode[Knot[10, 130]] |
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, 130]] |
Out[4]= | DTCode[4, 8, -14, 2, -16, -18, -6, -20, -12, -10] |
In[5]:= | br = BR[Knot[10, 130]] |
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, 130]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 130]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 130]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 2, 3, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 130]][t] |
Out[10]= | 2 4 2
5 + -- - - - 4 t + 2 t
2 t
t |
In[11]:= | Conway[Knot[10, 130]][z] |
Out[11]= | 2 4
1 + 4 z + 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[7, 5], Knot[10, 130]} |
In[13]:= | {KnotDet[Knot[10, 130]], KnotSignature[Knot[10, 130]]} |
Out[13]= | {17, 0} |
In[14]:= | Jones[Knot[10, 130]][q] |
Out[14]= | -7 -6 2 3 2 3 2
2 - q + q - -- + -- - -- + -- - - - q
5 4 3 2 q
q q q q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 130], Knot[11, NonAlternating, 61]} |
In[16]:= | A2Invariant[Knot[10, 130]][q] |
Out[16]= | -22 -20 -18 -16 -14 -12 2 2 -6 -4 4
-q - q - q - q + q + q + --- + -- + q + q - q
10 8
q q |
In[17]:= | HOMFLYPT[Knot[10, 130]][a, z] |
Out[17]= | 2 4 6 2 2 2 4 2 6 2 2 4 4 4
-1 + 2 a + 2 a - 2 a - z + 3 a z + 3 a z - a z + a z + a z |
In[18]:= | Kauffman[Knot[10, 130]][a, z] |
Out[18]= | 2 4 6 z 3 5 7 2
-1 - 2 a + 2 a + 2 a + - + a z - 3 a z - 9 a z - 6 a z + 2 z +
a
2 2 6 2 3 3 3 5 3 7 3
6 a z - 4 a z - 2 a z + 8 a z + 21 a z + 11 a z -
2 4 6 4 5 3 5 5 5 7 5 2 6
7 a z + 7 a z + a z - 8 a z - 15 a z - 6 a z + 2 a z -
4 6 6 6 3 7 5 7 7 7 4 8 6 8
3 a z - 5 a z + 2 a z + 3 a z + a z + a z + a z |
In[19]:= | {Vassiliev[2][Knot[10, 130]], Vassiliev[3][Knot[10, 130]]} |
Out[19]= | {4, -6} |
In[20]:= | Kh[Knot[10, 130]][q, t] |
Out[20]= | 2 1 1 2 1 2 1 1
- + q + ------ + ------ + ------ + ----- + ----- + ----- + ----- +
q 15 7 11 6 11 5 9 4 7 4 7 3 5 3
q t q t q t q t q t q t q t
2 1 2 3
----- + ----- + --- + q t
5 2 3 2 q t
q t q t |
In[21]:= | ColouredJones[Knot[10, 130], 2][q] |
Out[21]= | -21 -20 -19 3 -17 4 4 5 4 -11
-1 + q - q - q + --- - q - --- + --- - --- + --- + q -
18 16 15 13 12
q q q q q
4 2 2 2 2 -4 2 -2 1
--- + -- + -- - -- + -- + q - -- + q + -
10 9 8 7 5 3 q
q q q q q q |