In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 148]] |
Out[2]= | PD[X[4, 2, 5, 1], X[8, 4, 9, 3], X[5, 12, 6, 13], X[13, 18, 14, 19],
X[9, 16, 10, 17], X[17, 10, 18, 11], X[15, 20, 16, 1],
X[19, 14, 20, 15], X[11, 6, 12, 7], X[2, 8, 3, 7]] |
In[3]:= | GaussCode[Knot[10, 148]] |
Out[3]= | GaussCode[1, -10, 2, -1, -3, 9, 10, -2, -5, 6, -9, 3, -4, 8, -7, 5, -6,
4, -8, 7] |
In[4]:= | DTCode[Knot[10, 148]] |
Out[4]= | DTCode[4, 8, -12, 2, -16, -6, -18, -20, -10, -14] |
In[5]:= | br = BR[Knot[10, 148]] |
Out[5]= | BR[3, {-1, -1, -1, -1, -2, 1, 1, -2, 1, -2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {3, 10} |
In[7]:= | BraidIndex[Knot[10, 148]] |
Out[7]= | 3 |
In[8]:= | Show[DrawMorseLink[Knot[10, 148]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 148]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Chiral, 2, 3, 3, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 148]][t] |
Out[10]= | -3 3 7 2 3
-9 + t - -- + - + 7 t - 3 t + t
2 t
t |
In[11]:= | Conway[Knot[10, 148]][z] |
Out[11]= | 2 4 6
1 + 4 z + 3 z + z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 148]} |
In[13]:= | {KnotDet[Knot[10, 148]], KnotSignature[Knot[10, 148]]} |
Out[13]= | {31, -2} |
In[14]:= | Jones[Knot[10, 148]][q] |
Out[14]= | -8 2 4 5 5 6 4 3
-1 - q + -- - -- + -- - -- + -- - -- + -
7 6 5 4 3 2 q
q q q q q q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 148]} |
In[16]:= | A2Invariant[Knot[10, 148]][q] |
Out[16]= | -24 2 -18 -16 3 -10 2 -6 -4 -2
-1 - q - --- - q + q + --- + q + -- + q - q + q
20 12 8
q q q |
In[17]:= | HOMFLYPT[Knot[10, 148]][a, z] |
Out[17]= | 2 4 6 2 2 4 2 6 2 2 4 4 4
-a + 5 a - 3 a - 2 a z + 9 a z - 3 a z - a z + 5 a z -
6 4 4 6
a z + a z |
In[18]:= | Kauffman[Knot[10, 148]][a, z] |
Out[18]= | 2 4 6 3 5 7 9 2 2
a + 5 a + 3 a - a z - 3 a z - 5 a z - a z + 2 a z - 3 a z -
4 2 6 2 8 2 3 3 3 5 3 7 3
11 a z - 6 a z + 2 a z + a z + 6 a z + 9 a z + a z -
9 3 2 4 4 4 6 4 8 4 3 5
3 a z + 3 a z + 10 a z + 2 a z - 5 a z - 2 a z -
5 5 7 5 9 5 4 6 6 6 8 6 3 7
7 a z - 4 a z + a z - 3 a z - a z + 2 a z + a z +
5 7 7 7 4 8 6 8
3 a z + 2 a z + a z + a z |
In[19]:= | {Vassiliev[2][Knot[10, 148]], Vassiliev[3][Knot[10, 148]]} |
Out[19]= | {4, -7} |
In[20]:= | Kh[Knot[10, 148]][q, t] |
Out[20]= | 2 2 1 1 1 3 1 2 3
-- + - + ------ + ------ + ------ + ------ + ------ + ------ + ----- +
3 q 17 7 15 6 13 6 13 5 11 5 11 4 9 4
q q t q t q t q t q t q t q t
3 2 3 3 1 3
----- + ----- + ----- + ----- + ---- + ---- + q t
9 3 7 3 7 2 5 2 5 3
q t q t q t q t q t q t |
In[21]:= | ColouredJones[Knot[10, 148], 2][q] |
Out[21]= | -23 2 6 7 5 17 9 16 26 5 26
-2 + q - --- + --- - --- - --- + --- - --- - --- + --- - --- - --- +
22 20 19 18 17 16 15 14 13 12
q q q q q q q q q q
29 -10 30 26 5 24 15 6 12 4 3
--- + q - -- + -- + -- - -- + -- + -- - -- + -- + -
11 9 8 7 6 5 4 3 2 q
q q q q q q q q q |