| © | Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: |
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The 3-Component Link L8n6Visit L8n6's page at Knotilus! |
![]() DrawMorseLink |
| PD Presentation: | X6172 X10,3,11,4 X11,16,12,13 X7,14,8,15 X13,8,14,9 X15,12,16,5 X2536 X4,9,1,10 |
| Gauss Code: | {{1, -7, 2, -8}, {-5, 4, -6, 3}, {7, -1, -4, 5, 8, -2, -3, 6}} |
| Jones Polynomial: | q-9 + q-7 + q-6 + q-2 |
| A2 (sl(3)) Invariant: | q-30 + 3q-28 + 4q-26 + 5q-24 + 4q-22 + 3q-20 + 2q-18 + q-16 + q-14 + q-10 + q-8 + q-6 |
| HOMFLY-PT Polynomial: | 2a4 + 4a4z2 + a4z4 + a6z-2 - 2a8z-2 - 2a8 + a10z-2 |
| Kauffman Polynomial: | 2a4 - 4a4z2 + a4z4 + a6z-2 - 2a6 - 2a7z-1 + 8a7z - 6a7z3 + a7z5 + 2a8z-2 - 9a8 + 14a8z2 - 7a8z4 + a8z6 - 2a9z-1 + 8a9z - 6a9z3 + a9z5 + a10z-2 - 6a10 + 10a10z2 - 6a10z4 + a10z6 |
| 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]= | 3 |
In[3]:= | Show[DrawMorseLink[Link[8, NonAlternating, 6]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[8, NonAlternating, 6]] |
Out[4]= | PD[X[6, 1, 7, 2], X[10, 3, 11, 4], X[11, 16, 12, 13], X[7, 14, 8, 15], > X[13, 8, 14, 9], X[15, 12, 16, 5], X[2, 5, 3, 6], X[4, 9, 1, 10]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, -7, 2, -8}, {-5, 4, -6, 3}, {7, -1, -4, 5, 8, -2, -3, 6}] |
In[6]:= | Jones[L][q] |
Out[6]= | -9 -7 -6 -2 q + q + q + q |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -30 3 4 5 4 3 2 -16 -14 -10 -8 -6
q + --- + --- + --- + --- + --- + --- + q + q + q + q + q
28 26 24 22 20 18
q q q q q q |
In[8]:= | HOMFLYPT[Link[8, NonAlternating, 6]][a, z] |
Out[8]= | 6 8 10
4 8 a 2 a a 4 2 4 4
2 a - 2 a + -- - ---- + --- + 4 a z + a z
2 2 2
z z z |
In[9]:= | Kauffman[Link[8, NonAlternating, 6]][a, z] |
Out[9]= | 6 8 10 7 9
4 6 8 10 a 2 a a 2 a 2 a 7 9
2 a - 2 a - 9 a - 6 a + -- + ---- + --- - ---- - ---- + 8 a z + 8 a z -
2 2 2 z z
z z z
4 2 8 2 10 2 7 3 9 3 4 4 8 4
> 4 a z + 14 a z + 10 a z - 6 a z - 6 a z + a z - 7 a z -
10 4 7 5 9 5 8 6 10 6
> 6 a z + a z + a z + a z + a z |
In[10]:= | Kh[L][q, t] |
Out[10]= | -5 -3 1 1 1 1 2 3 1
q + q + ------ + ------ + ------ + ------ + ------ + ------ + ------ +
19 8 17 8 15 6 11 5 13 4 11 4 11 3
q t q t q t q t q t q t q t
1 1
> ----- + -----
7 3 7 2
q t q t |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L8n6 |
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