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| PD Presentation: | X10,1,11,2 X16,11,17,12 X8,9,1,10 X20,17,9,18 X12,4,13,3 X14,8,15,7 X6,14,7,13 X18,6,19,5 X4,20,5,19 X2,16,3,15 |
| Gauss Code: | {{1, -10, 5, -9, 8, -7, 6, -3}, {3, -1, 2, -5, 7, -6, 10, -2, 4, -8, 9, -4}} |
| Jones Polynomial: | - q-7/2 + 4q-5/2 - 8q-3/2 + 12q-1/2 - 15q1/2 + 15q3/2 - 15q5/2 + 11q7/2 - 7q9/2 + 3q11/2 - q13/2 |
| A2 (sl(3)) Invariant: | q-10 - 2q-8 + 2q-6 - q-4 - 2q-2 + 3 - 3q2 + 4q4 + 2q8 + 3q10 - 2q12 + 3q14 + q20 |
| HOMFLY-PT Polynomial: | - a-5z-1 - 2a-5z - a-5z3 + a-3z-1 + 6a-3z + 6a-3z3 + 2a-3z5 - 3a-1z - 6a-1z3 - 4a-1z5 - a-1z7 + az + 2az3 + az5 |
| Kauffman Polynomial: | - a-7z + 2a-7z3 - a-7z5 - 2a-6z2 + 5a-6z4 - 3a-6z6 - a-5z-1 + 4a-5z - 6a-5z3 + 8a-5z5 - 5a-5z7 + a-4 - 2a-4z2 + 5a-4z6 - 5a-4z8 - a-3z-1 + 9a-3z - 23a-3z3 + 25a-3z5 - 9a-3z7 - 2a-3z9 - a-2z2 - 6a-2z4 + 17a-2z6 - 11a-2z8 + 6a-1z - 22a-1z3 + 29a-1z5 - 11a-1z7 - 2a-1z9 - 3z2 + 5z4 + 5z6 - 6z8 + 2az - 6az3 + 12az5 - 7az7 - 2a2z2 + 6a2z4 - 4a2z6 + a3z3 - a3z5 |
| 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, Alternating, 104]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[10, Alternating, 104]] |
Out[4]= | PD[X[10, 1, 11, 2], X[16, 11, 17, 12], X[8, 9, 1, 10], X[20, 17, 9, 18], > X[12, 4, 13, 3], X[14, 8, 15, 7], X[6, 14, 7, 13], X[18, 6, 19, 5], > X[4, 20, 5, 19], X[2, 16, 3, 15]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, -10, 5, -9, 8, -7, 6, -3},
> {3, -1, 2, -5, 7, -6, 10, -2, 4, -8, 9, -4}] |
In[6]:= | Jones[L][q] |
Out[6]= | -(7/2) 4 8 12 3/2 5/2 7/2
-q + ---- - ---- + ------- - 15 Sqrt[q] + 15 q - 15 q + 11 q -
5/2 3/2 Sqrt[q]
q q
9/2 11/2 13/2
> 7 q + 3 q - q |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -10 2 2 -4 2 2 4 8 10 12 14 20
3 + q - -- + -- - q - -- - 3 q + 4 q + 2 q + 3 q - 2 q + 3 q + q
8 6 2
q q q |
In[8]:= | HOMFLYPT[Link[10, Alternating, 104]][a, z] |
Out[8]= | 3 3 3 5
1 1 2 z 6 z 3 z z 6 z 6 z 3 2 z
-(----) + ---- - --- + --- - --- + a z - -- + ---- - ---- + 2 a z + ---- -
5 3 5 3 a 5 3 a 3
a z a z a a a a a
5 7
4 z 5 z
> ---- + a z - --
a a |
In[9]:= | Kauffman[Link[10, Alternating, 104]][a, z] |
Out[9]= | 2 2 2
-4 1 1 z 4 z 9 z 6 z 2 2 z 2 z z
a - ---- - ---- - -- + --- + --- + --- + 2 a z - 3 z - ---- - ---- - -- -
5 3 7 5 3 a 6 4 2
a z a z a a a a a a
3 3 3 3 4
2 2 2 z 6 z 23 z 22 z 3 3 3 4 5 z
> 2 a z + ---- - ---- - ----- - ----- - 6 a z + a z + 5 z + ---- -
7 5 3 a 6
a a a a
4 5 5 5 5
6 z 2 4 z 8 z 25 z 29 z 5 3 5 6
> ---- + 6 a z - -- + ---- + ----- + ----- + 12 a z - a z + 5 z -
2 7 5 3 a
a a a a
6 6 6 7 7 7
3 z 5 z 17 z 2 6 5 z 9 z 11 z 7 8
> ---- + ---- + ----- - 4 a z - ---- - ---- - ----- - 7 a z - 6 z -
6 4 2 5 3 a
a a a a a
8 8 9 9
5 z 11 z 2 z 2 z
> ---- - ----- - ---- - ----
4 2 3 a
a a a |
In[10]:= | Kh[L][q, t] |
Out[10]= | 2 1 3 1 5 3 5 7 2 4
8 + 8 q + ----- + ----- + ----- + ----- + ----- + - + ---- + 8 q t + 7 q t +
8 4 6 3 4 3 4 2 2 2 t 2
q t q t q t q t q t q t
4 2 6 2 6 3 8 3 8 4 10 4 10 5
> 7 q t + 8 q t + 4 q t + 7 q t + 3 q t + 5 q t + q t +
12 5 14 6
> 2 q t + q t |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L10a104 |
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