In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 17]] |
Out[2]= | PD[X[6, 2, 7, 1], X[12, 4, 13, 3], X[20, 15, 1, 16], X[16, 7, 17, 8],
X[18, 9, 19, 10], X[8, 17, 9, 18], X[10, 19, 11, 20],
X[14, 6, 15, 5], X[2, 12, 3, 11], X[4, 14, 5, 13]] |
In[3]:= | GaussCode[Knot[10, 17]] |
Out[3]= | GaussCode[1, -9, 2, -10, 8, -1, 4, -6, 5, -7, 9, -2, 10, -8, 3, -4, 6,
-5, 7, -3] |
In[4]:= | DTCode[Knot[10, 17]] |
Out[4]= | DTCode[6, 12, 14, 16, 18, 2, 4, 20, 8, 10] |
In[5]:= | br = BR[Knot[10, 17]] |
Out[5]= | BR[3, {-1, -1, -1, -1, 2, -1, 2, 2, 2, 2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {3, 10} |
In[7]:= | BraidIndex[Knot[10, 17]] |
Out[7]= | 3 |
In[8]:= | Show[DrawMorseLink[Knot[10, 17]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 17]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {FullyAmphicheiral, 1, 4, 2, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 17]][t] |
Out[10]= | -4 3 5 7 2 3 4
9 + t - -- + -- - - - 7 t + 5 t - 3 t + t
3 2 t
t t |
In[11]:= | Conway[Knot[10, 17]][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, 17]} |
In[13]:= | {KnotDet[Knot[10, 17]], KnotSignature[Knot[10, 17]]} |
Out[13]= | {41, 0} |
In[14]:= | Jones[Knot[10, 17]][q] |
Out[14]= | -5 2 3 5 6 2 3 4 5
7 - q + -- - -- + -- - - - 6 q + 5 q - 3 q + 2 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, 17]} |
In[16]:= | A2Invariant[Knot[10, 17]][q] |
Out[16]= | -14 -10 -8 -6 2 2 6 8 10 14
-1 - q - q + q + q + -- + 2 q + q + q - q - q
2
q |
In[17]:= | HOMFLYPT[Knot[10, 17]][a, z] |
Out[17]= | 2 4
2 2 2 7 z 2 2 4 5 z 2 4
5 - -- - 2 a + 16 z - ---- - 7 a z + 17 z - ---- - 5 a z +
2 2 2
a a a
6
6 z 2 6 8
7 z - -- - a z + z
2
a |
In[18]:= | Kauffman[Knot[10, 17]][a, z] |
Out[18]= | 2 2
2 2 z 3 z 5 2 3 z 8 z
5 + -- + 2 a + -- - --- - 3 a z + a z - 22 z + ---- - ---- -
2 5 a 4 2
a a a a
3 3 3
2 2 4 2 3 z 2 z 6 z 3 3 3 5 3
8 a z + 3 a z - ---- + ---- + ---- + 6 a z + 2 a z - 3 a z +
5 3 a
a a
4 4 5 5
4 6 z 11 z 2 4 4 4 z 5 z 3 5
34 z - ---- + ----- + 11 a z - 6 a z + -- - ---- - 5 a z +
4 2 5 3
a a a a
6 6 7 7
5 5 6 2 z 7 z 2 6 4 6 2 z 2 z
a z - 18 z + ---- - ---- - 7 a z + 2 a z + ---- - ---- -
4 2 3 a
a a a
8 9
7 3 7 8 2 z 2 8 z 9
2 a z + 2 a z + 4 z + ---- + 2 a z + -- + a z
2 a
a |
In[19]:= | {Vassiliev[2][Knot[10, 17]], Vassiliev[3][Knot[10, 17]]} |
Out[19]= | {2, 0} |
In[20]:= | Kh[Knot[10, 17]][q, t] |
Out[20]= | 4 1 1 1 2 1 3 2
- + 4 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
3 3 3 3 2 5 2 5 3 7 3
---- + --- + 3 q t + 3 q t + 2 q t + 3 q t + q t + 2 q t +
3 q t
q t
7 4 9 4 11 5
q t + q t + q t |
In[21]:= | ColouredJones[Knot[10, 17], 2][q] |
Out[21]= | -15 2 4 6 10 11 3 20 16 10 30 18
35 + q - --- + --- - --- + -- - -- - -- + -- - -- - -- + -- - -- -
14 12 11 9 8 7 6 5 4 3 2
q q q q q q q q q q q
16 2 3 4 5 6 7 8
-- - 16 q - 18 q + 30 q - 10 q - 16 q + 20 q - 3 q - 11 q +
q
9 11 12 14 15
10 q - 6 q + 4 q - 2 q + q |