| © | Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: |
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The 2-Component Link L11a230Visit L11a230's page at Knotilus! |
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| PD Presentation: | X8192 X2,11,3,12 X12,3,13,4 X16,5,17,6 X18,13,19,14 X14,17,15,18 X6718 X4,15,5,16 X22,20,7,19 X20,10,21,9 X10,22,11,21 |
| Gauss Code: | {{1, -2, 3, -8, 4, -7}, {7, -1, 10, -11, 2, -3, 5, -6, 8, -4, 6, -5, 9, -10, 11, -9}} |
| Jones Polynomial: | - q-19/2 + 3q-17/2 - 7q-15/2 + 12q-13/2 - 16q-11/2 + 18q-9/2 - 19q-7/2 + 15q-5/2 - 12q-3/2 + 7q-1/2 - 3q1/2 + q3/2 |
| A2 (sl(3)) Invariant: | q-28 - q-26 + 2q-24 - 3q-20 + 3q-18 - 2q-16 + 4q-14 + 3q-12 + q-10 + 5q-8 - 3q-6 + 2q-4 - q-2 - 2 + q2 - q4 |
| HOMFLY-PT Polynomial: | az-1 + 3az + 3az3 + az5 - 3a3z-1 - 7a3z - 7a3z3 - 4a3z5 - a3z7 + 2a5z-1 - 2a5z - 6a5z3 - 4a5z5 - a5z7 + 3a7z + 3a7z3 + a7z5 |
| Kauffman Polynomial: | 1 - 3z2 + 3z4 - z6 - az-1 + 3az - 7az3 + 8az5 - 3az7 + 3a2 - 8a2z2 + 4a2z4 + 6a2z6 - 4a2z8 - 3a3z-1 + 10a3z - 18a3z3 + 18a3z5 - 2a3z7 - 3a3z9 + 3a4 - 2a4z2 - 10a4z4 + 21a4z6 - 9a4z8 - a4z10 - 2a5z-1 + 4a5z - 10a5z3 + 8a5z5 + 6a5z7 - 7a5z9 + 9a6z2 - 24a6z4 + 26a6z6 - 11a6z8 - a6z10 - a7z - 4a7z3 + 6a7z5 - 4a7z9 + 4a8z2 - 8a8z4 + 9a8z6 - 6a8z8 + a9z - 3a9z3 + 7a9z5 - 5a9z7 - 2a10z2 + 5a10z4 - 3a10z6 - a11z + 2a11z3 - a11z5 |
| 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, Alternating, 230]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[11, Alternating, 230]] |
Out[4]= | PD[X[8, 1, 9, 2], X[2, 11, 3, 12], X[12, 3, 13, 4], X[16, 5, 17, 6], > X[18, 13, 19, 14], X[14, 17, 15, 18], X[6, 7, 1, 8], X[4, 15, 5, 16], > X[22, 20, 7, 19], X[20, 10, 21, 9], X[10, 22, 11, 21]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, -2, 3, -8, 4, -7},
> {7, -1, 10, -11, 2, -3, 5, -6, 8, -4, 6, -5, 9, -10, 11, -9}] |
In[6]:= | Jones[L][q] |
Out[6]= | -(19/2) 3 7 12 16 18 19 15 12
-q + ----- - ----- + ----- - ----- + ---- - ---- + ---- - ---- +
17/2 15/2 13/2 11/2 9/2 7/2 5/2 3/2
q q q q q q q q
7 3/2
> ------- - 3 Sqrt[q] + q
Sqrt[q] |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -28 -26 2 3 3 2 4 3 -10 5 3 2
-2 + q - q + --- - --- + --- - --- + --- + --- + q + -- - -- + -- -
24 20 18 16 14 12 8 6 4
q q q q q q q q q
-2 2 4
> q + q - q |
In[8]:= | HOMFLYPT[Link[11, Alternating, 230]][a, z] |
Out[8]= | 3 5
a 3 a 2 a 3 5 7 3 3 3
- - ---- + ---- + 3 a z - 7 a z - 2 a z + 3 a z + 3 a z - 7 a z -
z z z
5 3 7 3 5 3 5 5 5 7 5 3 7 5 7
> 6 a z + 3 a z + a z - 4 a z - 4 a z + a z - a z - a z |
In[9]:= | Kauffman[Link[11, Alternating, 230]][a, z] |
Out[9]= | 3 5
2 4 a 3 a 2 a 3 5 7 9
1 + 3 a + 3 a - - - ---- - ---- + 3 a z + 10 a z + 4 a z - a z + a z -
z z z
11 2 2 2 4 2 6 2 8 2 10 2 3
> a z - 3 z - 8 a z - 2 a z + 9 a z + 4 a z - 2 a z - 7 a z -
3 3 5 3 7 3 9 3 11 3 4 2 4
> 18 a z - 10 a z - 4 a z - 3 a z + 2 a z + 3 z + 4 a z -
4 4 6 4 8 4 10 4 5 3 5 5 5
> 10 a z - 24 a z - 8 a z + 5 a z + 8 a z + 18 a z + 8 a z +
7 5 9 5 11 5 6 2 6 4 6 6 6 8 6
> 6 a z + 7 a z - a z - z + 6 a z + 21 a z + 26 a z + 9 a z -
10 6 7 3 7 5 7 9 7 2 8 4 8
> 3 a z - 3 a z - 2 a z + 6 a z - 5 a z - 4 a z - 9 a z -
6 8 8 8 3 9 5 9 7 9 4 10 6 10
> 11 a z - 6 a z - 3 a z - 7 a z - 4 a z - a z - a z |
In[10]:= | Kh[L][q, t] |
Out[10]= | 6 7 1 2 1 5 3 8 4
-- + -- + ------ + ------ + ------ + ------ + ------ + ------ + ------ +
4 2 20 8 18 7 16 7 16 6 14 6 14 5 12 5
q q q t q t q t q t q t q t q t
8 8 10 8 9 10 6 9
> ------ + ------ + ------ + ----- + ----- + ----- + ---- + ---- + 5 t +
12 4 10 4 10 3 8 3 8 2 6 2 6 4
q t q t q t q t q t q t q t q t
2 t 2 2 2 4 3
> --- + t + 2 q t + q t
2
q |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11a230 |
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