In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[9, 10]] |
Out[2]= | PD[X[8, 2, 9, 1], X[12, 4, 13, 3], X[18, 10, 1, 9], X[10, 18, 11, 17],
X[16, 8, 17, 7], X[2, 12, 3, 11], X[4, 16, 5, 15], X[14, 6, 15, 5],
X[6, 14, 7, 13]] |
In[3]:= | GaussCode[Knot[9, 10]] |
Out[3]= | GaussCode[1, -6, 2, -7, 8, -9, 5, -1, 3, -4, 6, -2, 9, -8, 7, -5, 4, -3] |
In[4]:= | DTCode[Knot[9, 10]] |
Out[4]= | DTCode[8, 12, 14, 16, 18, 2, 6, 4, 10] |
In[5]:= | br = BR[Knot[9, 10]] |
Out[5]= | BR[4, {1, 1, 2, -1, 2, 2, 2, 2, 3, -2, 3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 11} |
In[7]:= | BraidIndex[Knot[9, 10]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[9, 10]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[9, 10]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, {2, 3}, 2, 2, {4, 6}, 1} |
In[10]:= | alex = Alexander[Knot[9, 10]][t] |
Out[10]= | 4 8 2
9 + -- - - - 8 t + 4 t
2 t
t |
In[11]:= | Conway[Knot[9, 10]][z] |
Out[11]= | 2 4
1 + 8 z + 4 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[9, 10]} |
In[13]:= | {KnotDet[Knot[9, 10]], KnotSignature[Knot[9, 10]]} |
Out[13]= | {33, 4} |
In[14]:= | Jones[Knot[9, 10]][q] |
Out[14]= | 2 3 4 5 6 7 8 9 10 11
q - 2 q + 4 q - 5 q + 6 q - 5 q + 5 q - 3 q + q - q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[9, 10]} |
In[16]:= | A2Invariant[Knot[9, 10]][q] |
Out[16]= | 6 8 10 16 20 22 24 26 28 30 32
q - q + q + 2 q + 2 q + q + q + q - 2 q - q - q -
34
q |
In[17]:= | HOMFLYPT[Knot[9, 10]][a, z] |
Out[17]= | 2 2 2 2 4 4 4
-2 -8 2 z 2 z 5 z 2 z z 2 z z
--- + a + -- - --- + ---- + ---- + ---- + -- + ---- + --
10 6 10 8 6 4 8 6 4
a a a a a a a a a |
In[18]:= | Kauffman[Knot[9, 10]][a, z] |
Out[18]= | 2 2 2 2 3 3
2 -8 2 4 z 4 z 11 z 2 z 7 z 2 z 4 z z
--- + a - -- + --- - --- - ----- - ---- + ---- - ---- - ---- - --- +
10 6 13 9 10 8 6 4 13 11
a a a a a a a a a a
3 3 3 4 4 4 4 4 5 5
9 z 3 z 3 z 2 z 9 z 3 z 7 z z z z
---- + ---- - ---- - ---- + ---- + ---- - ---- + -- + --- - --- -
9 7 5 12 10 8 6 4 13 11
a a a a a a a a a a
5 5 5 6 6 6 6 7 7 7
7 z 3 z 2 z z 3 z z 3 z z 3 z 2 z
---- - ---- + ---- + --- - ---- - -- + ---- + --- + ---- + ---- +
9 7 5 12 10 8 6 11 9 7
a a a a a a a a a a
8 8
z z
--- + --
10 8
a a |
In[19]:= | {Vassiliev[2][Knot[9, 10]], Vassiliev[3][Knot[9, 10]]} |
Out[19]= | {8, 22} |
In[20]:= | Kh[Knot[9, 10]][q, t] |
Out[20]= | 3 5 5 7 2 9 2 9 3 11 3 11 4
q + q + 2 q t + 2 q t + 2 q t + 3 q t + 2 q t + 3 q t +
13 4 13 5 15 5 15 6 17 6 19 7
3 q t + 2 q t + 3 q t + 3 q t + 2 q t + 3 q t +
19 8 23 9
q t + q t |
In[21]:= | ColouredJones[Knot[9, 10], 2][q] |
Out[21]= | 4 5 6 7 8 10 11 12 13
q - 2 q + q + 5 q - 8 q + 15 q - 16 q - 5 q + 28 q -
14 15 16 17 18 19 20
22 q - 11 q + 35 q - 22 q - 13 q + 32 q - 15 q -
21 22 23 24 25 26 27 28
14 q + 22 q - 7 q - 10 q + 10 q - 2 q - 4 q + 3 q -
30 31
q + q |