In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 42]] |
Out[2]= | PD[X[1, 4, 2, 5], X[3, 10, 4, 11], X[11, 1, 12, 20], X[5, 13, 6, 12],
X[15, 18, 16, 19], X[13, 9, 14, 8], X[17, 7, 18, 6], X[7, 17, 8, 16],
X[19, 14, 20, 15], X[9, 2, 10, 3]] |
In[3]:= | GaussCode[Knot[10, 42]] |
Out[3]= | GaussCode[-1, 10, -2, 1, -4, 7, -8, 6, -10, 2, -3, 4, -6, 9, -5, 8, -7,
5, -9, 3] |
In[4]:= | DTCode[Knot[10, 42]] |
Out[4]= | DTCode[4, 10, 12, 16, 2, 20, 8, 18, 6, 14] |
In[5]:= | br = BR[Knot[10, 42]] |
Out[5]= | BR[5, {-1, -1, 2, -1, 2, -3, 2, 4, -3, 4}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {5, 10} |
In[7]:= | BraidIndex[Knot[10, 42]] |
Out[7]= | 5 |
In[8]:= | Show[DrawMorseLink[Knot[10, 42]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 42]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 1, 3, 2, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 42]][t] |
Out[10]= | -3 7 19 2 3
27 - t + -- - -- - 19 t + 7 t - t
2 t
t |
In[11]:= | Conway[Knot[10, 42]][z] |
Out[11]= | 4 6
1 + z - z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 42], Knot[10, 75]} |
In[13]:= | {KnotDet[Knot[10, 42]], KnotSignature[Knot[10, 42]]} |
Out[13]= | {81, 0} |
In[14]:= | Jones[Knot[10, 42]][q] |
Out[14]= | -5 4 7 10 13 2 3 4 5
14 - q + -- - -- + -- - -- - 12 q + 10 q - 6 q + 3 q - q
4 3 2 q
q q q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 42]} |
In[16]:= | A2Invariant[Knot[10, 42]][q] |
Out[16]= | -16 -14 2 2 2 -6 2 2 2 4 6
-2 - q + q + --- - --- + -- - q - -- + -- + 3 q - q + q +
12 10 8 4 2
q q q q q
8 10 12 16
3 q - 2 q + q - q |
In[17]:= | HOMFLYPT[Knot[10, 42]][a, z] |
Out[17]= | 2 2 4
-4 3 2 2 z 4 z 2 2 4 2 4 2 z
-2 - a + -- + a - 5 z - -- + ---- + 3 a z - a z - 3 z + ---- +
2 4 2 2
a a a a
2 4 6
2 a z - z |
In[18]:= | Kauffman[Knot[10, 42]][a, z] |
Out[18]= | 2 2
-4 3 2 z z z 2 4 z 9 z 2 2
-2 - a - -- - a + -- + -- - - - a z + 9 z + ---- + ---- + 6 a z +
2 5 3 a 4 2
a a a a a
3 3 4
4 2 2 z 10 z 3 3 3 5 3 4 6 z
2 a z - ---- + ----- + 14 a z + 5 a z - a z - 8 z - ---- -
5 a 4
a a
4 5 5 5
11 z 2 4 4 4 z 5 z 18 z 5 3 5
----- - 10 a z - 7 a z + -- - ---- - ----- - 24 a z - 11 a z +
2 5 3 a
a a a
6 6 7 7
5 5 6 3 z 2 z 4 6 4 z 9 z 7
a z - 5 z + ---- + ---- + 4 a z + ---- + ---- + 11 a z +
4 2 3 a
a a a
8 9
3 7 8 3 z 2 8 z 9
6 a z + 7 z + ---- + 4 a z + -- + a z
2 a
a |
In[19]:= | {Vassiliev[2][Knot[10, 42]], Vassiliev[3][Knot[10, 42]]} |
Out[19]= | {0, 1} |
In[20]:= | Kh[Knot[10, 42]][q, t] |
Out[20]= | 7 1 3 1 4 3 6 4
- + 8 q + ------ + ----- + ----- + ----- + ----- + ----- + ----- +
q 11 5 9 4 7 4 7 3 5 3 5 2 3 2
q t q t q t q t q t q t q t
7 6 3 3 2 5 2 5 3 7 3
---- + --- + 6 q t + 6 q t + 4 q t + 6 q t + 2 q t + 4 q t +
3 q t
q t
7 4 9 4 11 5
q t + 2 q t + q t |
In[21]:= | ColouredJones[Knot[10, 42], 2][q] |
Out[21]= | -15 4 2 13 23 2 49 53 23 105 77
171 + q - --- + --- + --- - --- - --- + -- - -- - -- + --- - -- -
14 13 12 11 10 9 8 7 6 5
q q q q q q q q q q
59 155 82 92 2 3 4 5 6
-- + --- - -- - -- - 64 q - 102 q + 142 q - 33 q - 83 q + 87 q -
4 3 2 q
q q q
7 8 9 10 11 12 13 14 15
8 q - 47 q + 36 q + q - 17 q + 9 q + q - 3 q + q |