| © | Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: |
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The 3-Component Link L6a5Visit L6a5's page at Knotilus! |
![]() DrawMorseLink |
| PD Presentation: | X6172 X10,3,11,4 X12,7,9,8 X8,11,5,12 X2536 X4,9,1,10 |
| Gauss Code: | {{1, -5, 2, -6}, {5, -1, 3, -4}, {6, -2, 4, -3}} |
| Jones Polynomial: | q-7 - q-6 + 3q-5 - q-4 + 3q-3 - 2q-2 + q-1 |
| A2 (sl(3)) Invariant: | q-24 + 3q-22 + 3q-20 + 4q-18 + 5q-16 + 4q-14 + 4q-12 + 2q-10 + q-8 - q-4 + q-2 |
| HOMFLY-PT Polynomial: | a2z2 + a4z-2 + 3a4 + 2a4z2 - 2a6z-2 - 3a6 + a8z-2 |
| Kauffman Polynomial: | a2z2 + 2a3z3 - a4z-2 + 3a4 - 5a4z2 + 3a4z4 + 2a5z-1 - 3a5z + a5z3 + a5z5 - 2a6z-2 + 5a6 - 9a6z2 + 4a6z4 + 2a7z-1 - 3a7z - a7z3 + a7z5 - a8z-2 + 3a8 - 3a8z2 + a8z4 |
| 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[6, Alternating, 5]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[6, Alternating, 5]] |
Out[4]= | PD[X[6, 1, 7, 2], X[10, 3, 11, 4], X[12, 7, 9, 8], X[8, 11, 5, 12], > X[2, 5, 3, 6], X[4, 9, 1, 10]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, -5, 2, -6}, {5, -1, 3, -4}, {6, -2, 4, -3}] |
In[6]:= | Jones[L][q] |
Out[6]= | -7 -6 3 -4 3 2 1
q - q + -- - q + -- - -- + -
5 3 2 q
q q q |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -24 3 3 4 5 4 4 2 -8 -4 -2
q + --- + --- + --- + --- + --- + --- + --- + q - q + q
22 20 18 16 14 12 10
q q q q q q q |
In[8]:= | HOMFLYPT[Link[6, Alternating, 5]][a, z] |
Out[8]= | 4 6 8
4 6 a 2 a a 2 2 4 2
3 a - 3 a + -- - ---- + -- + a z + 2 a z
2 2 2
z z z |
In[9]:= | Kauffman[Link[6, Alternating, 5]][a, z] |
Out[9]= | 4 6 8 5 7
4 6 8 a 2 a a 2 a 2 a 5 7 2 2
3 a + 5 a + 3 a - -- - ---- - -- + ---- + ---- - 3 a z - 3 a z + a z -
2 2 2 z z
z z z
4 2 6 2 8 2 3 3 5 3 7 3 4 4 6 4
> 5 a z - 9 a z - 3 a z + 2 a z + a z - a z + 3 a z + 4 a z +
8 4 5 5 7 5
> a z + a z + a z |
In[10]:= | Kh[L][q, t] |
Out[10]= | -3 1 1 1 3 3 1 2 1 2
q + - + ------ + ------ + ------ + ----- + ----- + ----- + ----- + ----
q 15 6 11 5 11 4 9 4 9 3 7 2 5 2 3
q t q t q t q t q t q t q t q t |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L6a5 |
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