In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 9]] |
Out[2]= | PD[X[6, 2, 7, 1], X[16, 8, 17, 7], X[12, 3, 13, 4], X[2, 15, 3, 16],
X[14, 5, 15, 6], X[4, 13, 5, 14], X[18, 10, 19, 9], X[20, 12, 1, 11],
X[8, 18, 9, 17], X[10, 20, 11, 19]] |
In[3]:= | GaussCode[Knot[10, 9]] |
Out[3]= | GaussCode[1, -4, 3, -6, 5, -1, 2, -9, 7, -10, 8, -3, 6, -5, 4, -2, 9,
-7, 10, -8] |
In[4]:= | DTCode[Knot[10, 9]] |
Out[4]= | DTCode[6, 12, 14, 16, 18, 20, 4, 2, 8, 10] |
In[5]:= | br = BR[Knot[10, 9]] |
Out[5]= | BR[3, {1, 1, 1, 1, 1, -2, 1, -2, -2, -2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {3, 10} |
In[7]:= | BraidIndex[Knot[10, 9]] |
Out[7]= | 3 |
In[8]:= | Show[DrawMorseLink[Knot[10, 9]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 9]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 1, 4, 2, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 9]][t] |
Out[10]= | -4 3 5 7 2 3 4
-7 - t + -- - -- + - + 7 t - 5 t + 3 t - t
3 2 t
t t |
In[11]:= | Conway[Knot[10, 9]][z] |
Out[11]= | 2 4 6 8
1 - 2 z - 7 z - 5 z - z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 9]} |
In[13]:= | {KnotDet[Knot[10, 9]], KnotSignature[Knot[10, 9]]} |
Out[13]= | {39, 2} |
In[14]:= | Jones[Knot[10, 9]][q] |
Out[14]= | -3 2 3 2 3 4 5 6 7
-4 + q - -- + - + 6 q - 6 q + 6 q - 5 q + 3 q - 2 q + q
2 q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 9]} |
In[16]:= | A2Invariant[Knot[10, 9]][q] |
Out[16]= | -8 -4 2 4 6 8 12 14 16 20
q + q + q - q + 2 q - q - q - q + q + q |
In[17]:= | HOMFLYPT[Knot[10, 9]][a, z] |
Out[17]= | 2 2 4 4 6
2 4 2 7 z 16 z 4 5 z 17 z 6 z
3 + -- - -- + 7 z + ---- - ----- + 5 z + ---- - ----- + z + -- -
4 2 4 2 4 2 4
a a a a a a a
6 8
7 z z
---- - --
2 2
a a |
In[18]:= | Kauffman[Knot[10, 9]][a, z] |
Out[18]= | 2 2 2 2
2 4 z 2 z 2 z 2 2 z z 8 z 22 z
3 + -- + -- + -- - --- - --- - a z - 8 z - ---- + -- - ---- - ----- +
4 2 7 3 a 8 6 4 2
a a a a a a a a
3 3 3 3 4 4
2 2 4 z 4 z 5 z 4 z 3 4 z 3 z
3 a z - ---- + ---- + ---- + ---- + 7 a z + 10 z + -- - ---- +
7 5 3 a 8 6
a a a a a
4 4 5 5 5 6
13 z 31 z 2 4 2 z 4 z 2 z 5 6 2 z
----- + ----- - 4 a z + ---- - ---- - ---- - 8 a z - 8 z + ---- -
4 2 7 5 a 6
a a a a a
6 6 7 7 7 8
7 z 18 z 2 6 2 z 2 z 2 z 7 8 2 z
---- - ----- + a z + ---- - ---- - ---- + 2 a z + 2 z + ---- +
4 2 5 3 a 4
a a a a a
8 9 9
4 z z z
---- + -- + --
2 3 a
a a |
In[19]:= | {Vassiliev[2][Knot[10, 9]], Vassiliev[3][Knot[10, 9]]} |
Out[19]= | {-2, -2} |
In[20]:= | Kh[Knot[10, 9]][q, t] |
Out[20]= | 3 1 1 1 2 1 2 2 q
4 q + 3 q + ----- + ----- + ----- + ----- + ---- + --- + --- +
7 4 5 3 3 3 3 2 2 q t t
q t q t q t q t q t
3 5 5 2 7 2 7 3 9 3 9 4
3 q t + 3 q t + 3 q t + 3 q t + 2 q t + 3 q t + q t +
11 4 11 5 13 5 15 6
2 q t + q t + q t + q t |
In[21]:= | ColouredJones[Knot[10, 9], 2][q] |
Out[21]= | -10 2 5 6 2 12 9 8 19 2
-8 + q - -- + -- - -- - -- + -- - -- - -- + -- - 15 q + 24 q -
9 7 6 5 4 3 2 q
q q q q q q q
3 4 5 6 7 8 10 11
5 q - 21 q + 25 q - q - 23 q + 22 q - 18 q + 15 q -
13 14 16 17 19 20
10 q + 8 q - 5 q + 4 q - 2 q + q |