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The 2-Component Link L10n13Visit L10n13's page at Knotilus! |
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| PD Presentation: | X6172 X18,7,19,8 X4,19,1,20 X9,14,10,15 X3849 X5,13,6,12 X13,5,14,20 X11,16,12,17 X15,10,16,11 X17,2,18,3 |
| Gauss Code: | {{1, 10, -5, -3}, {-6, -1, 2, 5, -4, 9, -8, 6, -7, 4, -9, 8, -10, -2, 3, 7}} |
| Jones Polynomial: | - q-17/2 + 2q-15/2 - 3q-13/2 + 3q-11/2 - 3q-9/2 + 3q-7/2 - 3q-5/2 + q-3/2 - q-1/2 |
| A2 (sl(3)) Invariant: | q-30 + q-26 - q-18 + q-16 - q-14 + q-12 + q-10 + 2q-8 + 2q-6 + q-4 + q-2 |
| HOMFLY-PT Polynomial: | - 2a3z-1 - 7a3z - 5a3z3 - a3z5 + 4a5z-1 + 11a5z + 12a5z3 + 6a5z5 + a5z7 - 3a7z-1 - 7a7z - 5a7z3 - a7z5 + a9z-1 + a9z |
| Kauffman Polynomial: | - 2a3z-1 + 9a3z - 12a3z3 + 6a3z5 - a3z7 + 2a4 - 4a4z2 - 2a4z4 + 4a4z6 - a4z8 - 4a5z-1 + 18a5z - 30a5z3 + 20a5z5 - 4a5z7 + 3a6 - 12a6z2 + 9a6z4 + a6z6 - a6z8 - 3a7z-1 + 11a7z - 17a7z3 + 13a7z5 - 3a7z7 + 3a8 - 10a8z2 + 11a8z4 - 3a8z6 - a9z-1 + a9z + a9z3 - a9z5 + a10 - 2a10z2 - a11z |
| 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[10, NonAlternating, 13]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[10, NonAlternating, 13]] |
Out[4]= | PD[X[6, 1, 7, 2], X[18, 7, 19, 8], X[4, 19, 1, 20], X[9, 14, 10, 15], > X[3, 8, 4, 9], X[5, 13, 6, 12], X[13, 5, 14, 20], X[11, 16, 12, 17], > X[15, 10, 16, 11], X[17, 2, 18, 3]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, 10, -5, -3}, {-6, -1, 2, 5, -4, 9, -8, 6, -7, 4, -9, 8, -10, -2,
> 3, 7}] |
In[6]:= | Jones[L][q] |
Out[6]= | -(17/2) 2 3 3 3 3 3 -(3/2) 1
-q + ----- - ----- + ----- - ---- + ---- - ---- + q - -------
15/2 13/2 11/2 9/2 7/2 5/2 Sqrt[q]
q q q q q q |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -30 -26 -18 -16 -14 -12 -10 2 2 -4 -2
q + q - q + q - q + q + q + -- + -- + q + q
8 6
q q |
In[8]:= | HOMFLYPT[Link[10, NonAlternating, 13]][a, z] |
Out[8]= | 3 5 7 9
-2 a 4 a 3 a a 3 5 7 9 3 3
----- + ---- - ---- + -- - 7 a z + 11 a z - 7 a z + a z - 5 a z +
z z z z
5 3 7 3 3 5 5 5 7 5 5 7
> 12 a z - 5 a z - a z + 6 a z - a z + a z |
In[9]:= | Kauffman[Link[10, NonAlternating, 13]][a, z] |
Out[9]= | 3 5 7 9
4 6 8 10 2 a 4 a 3 a a 3 5
2 a + 3 a + 3 a + a - ---- - ---- - ---- - -- + 9 a z + 18 a z +
z z z z
7 9 11 4 2 6 2 8 2 10 2
> 11 a z + a z - a z - 4 a z - 12 a z - 10 a z - 2 a z -
3 3 5 3 7 3 9 3 4 4 6 4 8 4
> 12 a z - 30 a z - 17 a z + a z - 2 a z + 9 a z + 11 a z +
3 5 5 5 7 5 9 5 4 6 6 6 8 6 3 7
> 6 a z + 20 a z + 13 a z - a z + 4 a z + a z - 3 a z - a z -
5 7 7 7 4 8 6 8
> 4 a z - 3 a z - a z - a z |
In[10]:= | Kh[L][q, t] |
Out[10]= | -6 3 1 1 1 2 2 1 2
q + -- + ------ + ------ + ------ + ------ + ------ + ------ + ------ +
4 18 6 16 5 14 5 14 4 12 4 10 4 12 3
q q t q t q t q t q t q t q t
2 1 2 2 1 t 2
> ------ + ------ + ----- + ---- + ---- + -- + t
10 3 10 2 8 2 8 6 4
q t q t q t q t q t q |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L10n13 |
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