In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 72]] |
Out[2]= | PD[X[4, 2, 5, 1], X[10, 6, 11, 5], X[8, 3, 9, 4], X[2, 9, 3, 10],
X[16, 8, 17, 7], X[18, 12, 19, 11], X[20, 14, 1, 13],
X[12, 20, 13, 19], X[14, 18, 15, 17], X[6, 16, 7, 15]] |
In[3]:= | GaussCode[Knot[10, 72]] |
Out[3]= | GaussCode[1, -4, 3, -1, 2, -10, 5, -3, 4, -2, 6, -8, 7, -9, 10, -5, 9,
-6, 8, -7] |
In[4]:= | DTCode[Knot[10, 72]] |
Out[4]= | DTCode[4, 8, 10, 16, 2, 18, 20, 6, 14, 12] |
In[5]:= | br = BR[Knot[10, 72]] |
Out[5]= | BR[4, {1, 1, 1, 1, 2, 2, -1, 2, -3, 2, -3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 11} |
In[7]:= | BraidIndex[Knot[10, 72]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 72]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 72]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 3, 3, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 72]][t] |
Out[10]= | 2 9 16 2 3
19 - -- + -- - -- - 16 t + 9 t - 2 t
3 2 t
t t |
In[11]:= | Conway[Knot[10, 72]][z] |
Out[11]= | 2 4 6
1 + 2 z - 3 z - 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 72]} |
In[13]:= | {KnotDet[Knot[10, 72]], KnotSignature[Knot[10, 72]]} |
Out[13]= | {73, 4} |
In[14]:= | Jones[Knot[10, 72]][q] |
Out[14]= | 2 3 4 5 6 7 8 9
1 - 2 q + 5 q - 8 q + 11 q - 12 q + 12 q - 10 q + 7 q - 4 q +
10
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 72]} |
In[16]:= | A2Invariant[Knot[10, 72]][q] |
Out[16]= | 4 6 8 10 12 16 18 20 22
1 + q + 2 q - 2 q + 2 q - 2 q + 2 q - q + 3 q - 2 q -
28 30
2 q + q |
In[17]:= | HOMFLYPT[Knot[10, 72]][a, z] |
Out[17]= | 2 2 2 2 4 4 4 4
-8 2 2 2 z z 3 z 3 z z 2 z 3 z z
-a + -- - -- + -- + -- + -- - ---- + ---- + -- - ---- - ---- + -- -
6 4 2 8 6 4 2 8 6 4 2
a a a a a a a a a a a
6 6
z z
-- - --
6 4
a a |
In[18]:= | Kauffman[Knot[10, 72]][a, z] |
Out[18]= | 2 2 2 2
-8 2 2 2 z z 3 z z 2 z 6 z 7 z 8 z
-a - -- - -- - -- + -- - -- - --- - -- + ---- + ---- + ---- + ---- +
6 4 2 9 7 5 3 10 8 6 4
a a a a a a a a a a a
2 3 3 3 3 4 4 4 4
5 z 3 z 9 z 11 z 5 z z 8 z 11 z 4 z
---- - ---- + ---- + ----- + ---- + --- - ---- - ----- - ---- -
2 11 7 5 3 12 10 8 6
a a a a a a a a a
4 4 5 5 5 5 5 6 6
6 z 4 z 4 z 7 z 19 z 14 z 6 z 7 z 2 z
---- - ---- + ---- - ---- - ----- - ----- - ---- + ---- + ---- -
4 2 11 9 7 5 3 10 8
a a a a a a a a a
6 6 6 7 7 7 7 8 8 8
8 z 2 z z 7 z 9 z 4 z 2 z 4 z 6 z 2 z
---- - ---- + -- + ---- + ---- + ---- + ---- + ---- + ---- + ---- +
6 4 2 9 7 5 3 8 6 4
a a a a a a a a a a
9 9
z z
-- + --
7 5
a a |
In[19]:= | {Vassiliev[2][Knot[10, 72]], Vassiliev[3][Knot[10, 72]]} |
Out[19]= | {2, 4} |
In[20]:= | Kh[Knot[10, 72]][q, t] |
Out[20]= | 3
3 5 1 q q 5 7 7 2 9 2
4 q + 2 q + ---- + - + -- + 5 q t + 3 q t + 6 q t + 5 q t +
2 t t
q t
9 3 11 3 11 4 13 4 13 5 15 5
6 q t + 6 q t + 6 q t + 6 q t + 4 q t + 6 q t +
15 6 17 6 17 7 19 7 21 8
3 q t + 4 q t + q t + 3 q t + q t |
In[21]:= | ColouredJones[Knot[10, 72], 2][q] |
Out[21]= | -2 2 2 3 4 5 6 7 8
q - - + 7 q - 10 q - 4 q + 28 q - 25 q - 22 q + 67 q - 36 q -
q
9 10 11 12 13 14 15
59 q + 108 q - 32 q - 97 q + 128 q - 16 q - 115 q +
16 17 18 19 20 21 22
117 q + 2 q - 101 q + 80 q + 12 q - 63 q + 37 q +
23 24 25 26 27 28
10 q - 24 q + 10 q + 3 q - 4 q + q |