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| PD Presentation: | X6172 X20,7,21,8 X4,21,1,22 X5,12,6,13 X3849 X9,16,10,17 X13,19,14,18 X17,15,18,14 X15,10,16,11 X11,22,12,5 X19,2,20,3 |
| Gauss Code: | {{1, 11, -5, -3}, {-4, -1, 2, 5, -6, 9, -10, 4, -7, 8, -9, 6, -8, 7, -11, -2, 3, 10}} |
| Jones Polynomial: | q-19/2 - 2q-17/2 + 4q-15/2 - 6q-13/2 + 5q-11/2 - 6q-9/2 + 5q-7/2 - 4q-5/2 + 2q-3/2 - q-1/2 |
| A2 (sl(3)) Invariant: | - q-34 - q-32 - q-28 + q-26 + 2q-22 + 2q-20 + q-18 + 3q-16 - q-14 + q-12 + q-8 + q-6 + q-2 |
| HOMFLY-PT Polynomial: | - a3z-1 - 4a3z - 4a3z3 - a3z5 + 2a5z-1 + 7a5z + 8a5z3 + 5a5z5 + a5z7 - 3a7z-1 - 10a7z - 9a7z3 - 2a7z5 + 3a9z-1 + 5a9z + a9z3 - a11z-1 |
| Kauffman Polynomial: | - a3z-1 + 5a3z - 8a3z3 + 5a3z5 - a3z7 + 4a4z2 - 11a4z4 + 9a4z6 - 2a4z8 - 2a5z-1 + 12a5z - 24a5z3 + 15a5z5 - a5z9 - 2a6 + 11a6z2 - 24a6z4 + 21a6z6 - 5a6z8 - 3a7z-1 + 16a7z - 32a7z3 + 22a7z5 - 2a7z7 - a7z9 + 4a8z2 - 11a8z4 + 11a8z6 - 3a8z8 - 3a9z-1 + 11a9z - 18a9z3 + 12a9z5 - 3a9z7 + 2a10 - 4a10z2 + 2a10z4 - a10z6 - a11z-1 + 2a11z - 2a11z3 + a12 - a12z2 |
| Khovanov Homology: |
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Computer Talk. The data above can be recomputed by Mathematica using the package KnotTheory`. Following setup, the sample Mathematica session below reproduces most of the above data (Mathematica system prompts in blue, human input in red, Mathematica output in black):
In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 30, 2005, 10:15:35)... | |
In[2]:= | Length[Skeleton[L]] |
Out[2]= | 2 |
In[3]:= | Show[DrawMorseLink[Link[11, NonAlternating, 38]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[11, NonAlternating, 38]] |
Out[4]= | PD[X[6, 1, 7, 2], X[20, 7, 21, 8], X[4, 21, 1, 22], X[5, 12, 6, 13], > X[3, 8, 4, 9], X[9, 16, 10, 17], X[13, 19, 14, 18], X[17, 15, 18, 14], > X[15, 10, 16, 11], X[11, 22, 12, 5], X[19, 2, 20, 3]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, 11, -5, -3}, {-4, -1, 2, 5, -6, 9, -10, 4, -7, 8, -9, 6, -8, 7,
> -11, -2, 3, 10}] |
In[6]:= | Jones[L][q] |
Out[6]= | -(19/2) 2 4 6 5 6 5 4 2 1
q - ----- + ----- - ----- + ----- - ---- + ---- - ---- + ---- - -------
17/2 15/2 13/2 11/2 9/2 7/2 5/2 3/2 Sqrt[q]
q q q q q q q q |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -34 -32 -28 -26 2 2 -18 3 -14 -12 -8 -6
-q - q - q + q + --- + --- + q + --- - q + q + q + q +
22 20 16
q q q
-2
> q |
In[8]:= | HOMFLYPT[Link[11, NonAlternating, 38]][a, z] |
Out[8]= | 3 5 7 9 11
a 2 a 3 a 3 a a 3 5 7 9
-(--) + ---- - ---- + ---- - --- - 4 a z + 7 a z - 10 a z + 5 a z -
z z z z z
3 3 5 3 7 3 9 3 3 5 5 5 7 5 5 7
> 4 a z + 8 a z - 9 a z + a z - a z + 5 a z - 2 a z + a z |
In[9]:= | Kauffman[Link[11, NonAlternating, 38]][a, z] |
Out[9]= | 3 5 7 9 11
6 10 12 a 2 a 3 a 3 a a 3 5
-2 a + 2 a + a - -- - ---- - ---- - ---- - --- + 5 a z + 12 a z +
z z z z z
7 9 11 4 2 6 2 8 2 10 2
> 16 a z + 11 a z + 2 a z + 4 a z + 11 a z + 4 a z - 4 a z -
12 2 3 3 5 3 7 3 9 3 11 3 4 4
> a z - 8 a z - 24 a z - 32 a z - 18 a z - 2 a z - 11 a z -
6 4 8 4 10 4 3 5 5 5 7 5 9 5
> 24 a z - 11 a z + 2 a z + 5 a z + 15 a z + 22 a z + 12 a z +
4 6 6 6 8 6 10 6 3 7 7 7 9 7
> 9 a z + 21 a z + 11 a z - a z - a z - 2 a z - 3 a z -
4 8 6 8 8 8 5 9 7 9
> 2 a z - 5 a z - 3 a z - a z - a z |
In[10]:= | Kh[L][q, t] |
Out[10]= | 2 3 1 1 1 3 1 3 4
-- + -- + ------ + ------ + ------ + ------ + ------ + ------ + ------ +
6 4 20 7 18 6 16 6 16 5 14 5 14 4 12 4
q q q t q t q t q t q t q t q t
1 3 3 3 3 2 3 t t 2
> ------ + ------ + ------ + ------ + ----- + ---- + ---- + -- + -- + t
10 4 12 3 10 3 10 2 8 2 8 6 4 2
q t q t q t q t q t q t q t q q |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11n38 |
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