| © | Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: |
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The 2-Component Link L11a7Visit L11a7's page at Knotilus! |
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| PD Presentation: | X6172 X16,7,17,8 X4,17,1,18 X12,6,13,5 X8493 X22,14,5,13 X14,22,15,21 X18,10,19,9 X20,12,21,11 X10,20,11,19 X2,16,3,15 |
| Gauss Code: | {{1, -11, 5, -3}, {4, -1, 2, -5, 8, -10, 9, -4, 6, -7, 11, -2, 3, -8, 10, -9, 7, -6}} |
| Jones Polynomial: | q-3/2 - 4q-1/2 + 7q1/2 - 12q3/2 + 14q5/2 - 17q7/2 + 16q9/2 - 14q11/2 + 10q13/2 - 5q15/2 + 3q17/2 - q19/2 |
| A2 (sl(3)) Invariant: | - q-4 + 2q-2 + q2 + 3q4 - q6 + 6q8 + q10 + 3q12 + 2q14 - 3q16 + q18 - 4q20 - q22 - q26 + q28 |
| HOMFLY-PT Polynomial: | a-7z-1 - a-7z - 3a-7z3 - a-7z5 - 2a-5z-1 + a-5z + 5a-5z3 + 4a-5z5 + a-5z7 - a-3z + a-3z3 + 3a-3z5 + a-3z7 + a-1z-1 + a-1z - 2a-1z3 - a-1z5 |
| Kauffman Polynomial: | 2a-11z3 - a-11z5 - 4a-10z2 + 7a-10z4 - 3a-10z6 - 3a-9z3 + 7a-9z5 - 4a-9z7 + 2a-8 - 7a-8z2 + 3a-8z4 + 4a-8z6 - 4a-8z8 - a-7z-1 - 2a-7z + 9a-7z3 - 13a-7z5 + 8a-7z7 - 4a-7z9 + 5a-6 - 6a-6z2 - a-6z4 + 2a-6z6 - 2a-6z10 - 2a-5z-1 - 3a-5z + 24a-5z3 - 38a-5z5 + 27a-5z7 - 9a-5z9 + 3a-4 - 2a-4z2 - 8a-4z4 + 12a-4z6 - 2a-4z8 - 2a-4z10 - 2a-3z + 4a-3z3 - 6a-3z5 + 11a-3z7 - 5a-3z9 - a-2 + a-2z2 - 9a-2z4 + 16a-2z6 - 6a-2z8 + a-1z-1 - a-1z - 6a-1z3 + 11a-1z5 - 4a-1z7 + 2z4 - z6 |
| 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, 7]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[11, Alternating, 7]] |
Out[4]= | PD[X[6, 1, 7, 2], X[16, 7, 17, 8], X[4, 17, 1, 18], X[12, 6, 13, 5], > X[8, 4, 9, 3], X[22, 14, 5, 13], X[14, 22, 15, 21], X[18, 10, 19, 9], > X[20, 12, 21, 11], X[10, 20, 11, 19], X[2, 16, 3, 15]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, -11, 5, -3}, {4, -1, 2, -5, 8, -10, 9, -4, 6, -7, 11, -2, 3, -8,
> 10, -9, 7, -6}] |
In[6]:= | Jones[L][q] |
Out[6]= | -(3/2) 4 3/2 5/2 7/2 9/2
q - ------- + 7 Sqrt[q] - 12 q + 14 q - 17 q + 16 q -
Sqrt[q]
11/2 13/2 15/2 17/2 19/2
> 14 q + 10 q - 5 q + 3 q - q |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -4 2 2 4 6 8 10 12 14 16 18 20
-q + -- + q + 3 q - q + 6 q + q + 3 q + 2 q - 3 q + q - 4 q -
2
q
22 26 28
> q - q + q |
In[8]:= | HOMFLYPT[Link[11, Alternating, 7]][a, z] |
Out[8]= | 3 3 3 3 5 5
1 2 1 z z z z 3 z 5 z z 2 z z 4 z
---- - ---- + --- - -- + -- - -- + - - ---- + ---- + -- - ---- - -- + ---- +
7 5 a z 7 5 3 a 7 5 3 a 7 5
a z a z a a a a a a a a
5 5 7 7
3 z z z z
> ---- - -- + -- + --
3 a 5 3
a a a |
In[9]:= | Kauffman[Link[11, Alternating, 7]][a, z] |
Out[9]= | 2 2
2 5 3 -2 1 2 1 2 z 3 z 2 z z 4 z 7 z
-- + -- + -- - a - ---- - ---- + --- - --- - --- - --- - - - ---- - ---- -
8 6 4 7 5 a z 7 5 3 a 10 8
a a a a z a z a a a a a
2 2 2 3 3 3 3 3 3 4
6 z 2 z z 2 z 3 z 9 z 24 z 4 z 6 z 4 7 z
> ---- - ---- + -- + ---- - ---- + ---- + ----- + ---- - ---- + 2 z + ---- +
6 4 2 11 9 7 5 3 a 10
a a a a a a a a a
4 4 4 4 5 5 5 5 5 5
3 z z 8 z 9 z z 7 z 13 z 38 z 6 z 11 z 6
> ---- - -- - ---- - ---- - --- + ---- - ----- - ----- - ---- + ----- - z -
8 6 4 2 11 9 7 5 3 a
a a a a a a a a a
6 6 6 6 6 7 7 7 7 7
3 z 4 z 2 z 12 z 16 z 4 z 8 z 27 z 11 z 4 z
> ---- + ---- + ---- + ----- + ----- - ---- + ---- + ----- + ----- - ---- -
10 8 6 4 2 9 7 5 3 a
a a a a a a a a a
8 8 8 9 9 9 10 10
4 z 2 z 6 z 4 z 9 z 5 z 2 z 2 z
> ---- - ---- - ---- - ---- - ---- - ---- - ----- - -----
8 4 2 7 5 3 6 4
a a a a a a a a |
In[10]:= | Kh[L][q, t] |
Out[10]= | 2
2 4 1 -2 3 4 3 q 4 6 6 2
8 q + 6 q + ----- + t + ----- + - + ---- + 8 q t + 6 q t + 9 q t +
4 3 2 2 t t
q t q t
8 2 8 3 10 3 10 4 12 4 12 5 14 5
> 8 q t + 7 q t + 9 q t + 7 q t + 7 q t + 3 q t + 7 q t +
14 6 16 6 16 7 18 7 20 8
> 2 q t + 3 q t + q t + 2 q t + q t |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11a7 |
|