In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 131]] |
Out[2]= | PD[X[1, 4, 2, 5], X[3, 8, 4, 9], X[14, 6, 15, 5], 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[6, 14, 7, 13], X[7, 2, 8, 3]] |
In[3]:= | GaussCode[Knot[10, 131]] |
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, 131]] |
Out[4]= | DTCode[4, 8, -14, 2, 16, 18, -6, 20, 12, 10] |
In[5]:= | br = BR[Knot[10, 131]] |
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, 131]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 131]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 131]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 1, 2, 3, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 131]][t] |
Out[10]= | 2 8 2
-11 - -- + - + 8 t - 2 t
2 t
t |
In[11]:= | Conway[Knot[10, 131]][z] |
Out[11]= | 4
1 - 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[8, 14], Knot[9, 8], Knot[10, 131]} |
In[13]:= | {KnotDet[Knot[10, 131]], KnotSignature[Knot[10, 131]]} |
Out[13]= | {31, -2} |
In[14]:= | Jones[Knot[10, 131]][q] |
Out[14]= | -9 2 3 5 5 5 5 3 2
q - -- + -- - -- + -- - -- + -- - -- + -
8 7 6 5 4 3 2 q
q q q q q q q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 131]} |
In[16]:= | A2Invariant[Knot[10, 131]][q] |
Out[16]= | -28 -22 2 -18 -16 -14 -12 2 -6 2
q + q - --- - q - q - q + q + -- + q + --
20 8 2
q q q |
In[17]:= | HOMFLYPT[Knot[10, 131]][a, z] |
Out[17]= | 2 6 8 2 2 4 2 6 2 8 2 4 4 6 4
2 a - 2 a + a + 2 a z - a z - 2 a z + a z - a z - a z |
In[18]:= | Kauffman[Knot[10, 131]][a, z] |
Out[18]= | 2 6 8 3 5 7 9 2 2 4 2
-2 a + 2 a + a + a z - a z - 5 a z - 3 a z + 3 a z + 2 a z -
6 2 8 2 10 2 3 3 5 3 7 3 9 3
3 a z + 2 a z + 4 a z + a z + 2 a z + 10 a z + 9 a z -
4 4 6 4 8 4 10 4 3 5 5 5 7 5
2 a z - 2 a z - 4 a z - 4 a z + a z - 3 a z - 12 a z -
9 5 4 6 8 6 10 6 5 7 7 7 9 7
8 a z + 2 a z - a z + a z + 2 a z + 4 a z + 2 a z +
6 8 8 8
a z + a z |
In[19]:= | {Vassiliev[2][Knot[10, 131]], Vassiliev[3][Knot[10, 131]]} |
Out[19]= | {0, 2} |
In[20]:= | Kh[Knot[10, 131]][q, t] |
Out[20]= | -3 2 1 1 1 2 1 3
q + - + ------ + ------ + ------ + ------ + ------ + ------ +
q 19 8 17 7 15 7 15 6 13 6 13 5
q t q t q t q t q t q t
2 2 3 3 2 2 3 1 2
------ + ------ + ----- + ----- + ----- + ----- + ----- + ---- + ----
11 5 11 4 9 4 9 3 7 3 7 2 5 2 5 3
q t q t q t q t q t q t q t q t q t |
In[21]:= | ColouredJones[Knot[10, 131], 2][q] |
Out[21]= | -26 2 -24 6 4 7 13 2 16 18 3
q - --- - q + --- - --- - --- + --- - --- - --- + --- + --- -
25 23 22 21 20 19 18 17 16
q q q q q q q q q
23 17 10 26 12 14 23 7 11 13 3 5
--- + --- + --- - --- + --- + --- - -- + -- + -- - -- + -- + -- -
15 14 13 12 11 10 9 8 7 6 5 4
q q q q q q q q q q q q
4 -2 1
-- + q + -
3 q
q |