| © | Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: |
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The 2-Component Link L10n40Visit L10n40's page at Knotilus! |
![]() DrawMorseLink |
| PD Presentation: | X8192 X10,4,11,3 X20,10,7,9 X2738 X15,5,16,4 X5,13,6,12 X11,16,12,17 X6,18,1,17 X14,19,15,20 X18,13,19,14 |
| Gauss Code: | {{1, -4, 2, 5, -6, -8}, {4, -1, 3, -2, -7, 6, 10, -9, -5, 7, 8, -10, 9, -3}} |
| Jones Polynomial: | q-7/2 - 2q-5/2 + 3q-3/2 - 4q-1/2 + 3q1/2 - 4q3/2 + 2q5/2 - 2q7/2 + q9/2 |
| A2 (sl(3)) Invariant: | - q-12 - q-10 - q-6 + q-4 + q-2 + 2 + 3q2 + 2q4 + 3q6 + q8 - q14 |
| HOMFLY-PT Polynomial: | 2a-3z + a-3z3 - 2a-1z-1 - 5a-1z - 4a-1z3 - a-1z5 + 3az-1 + 5az + 2az3 - a3z-1 - a3z |
| Kauffman Polynomial: | - 3a-4z2 + 4a-4z4 - a-4z6 + 5a-3z - 11a-3z3 + 9a-3z5 - 2a-3z7 - 5a-2z2 + 4a-2z4 + 2a-2z6 - a-2z8 - 2a-1z-1 + 14a-1z - 25a-1z3 + 18a-1z5 - 4a-1z7 + 3 - 7z2 + 3z4 + 2z6 - z8 - 3az-1 + 11az - 16az3 + 9az5 - 2az7 + 3a2 - 6a2z2 + 3a2z4 - a2z6 - a3z-1 + 2a3z - 2a3z3 + a4 - a4z2 |
| 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, 40]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[10, NonAlternating, 40]] |
Out[4]= | PD[X[8, 1, 9, 2], X[10, 4, 11, 3], X[20, 10, 7, 9], X[2, 7, 3, 8], > X[15, 5, 16, 4], X[5, 13, 6, 12], X[11, 16, 12, 17], X[6, 18, 1, 17], > X[14, 19, 15, 20], X[18, 13, 19, 14]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, -4, 2, 5, -6, -8},
> {4, -1, 3, -2, -7, 6, 10, -9, -5, 7, 8, -10, 9, -3}] |
In[6]:= | Jones[L][q] |
Out[6]= | -(7/2) 2 3 4 3/2 5/2 7/2 9/2
q - ---- + ---- - ------- + 3 Sqrt[q] - 4 q + 2 q - 2 q + q
5/2 3/2 Sqrt[q]
q q |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -12 -10 -6 -4 -2 2 4 6 8 14 2 - q - q - q + q + q + 3 q + 2 q + 3 q + q - q |
In[8]:= | HOMFLYPT[Link[10, NonAlternating, 40]][a, z] |
Out[8]= | 3 3 3 5
-2 3 a a 2 z 5 z 3 z 4 z 3 z
--- + --- - -- + --- - --- + 5 a z - a z + -- - ---- + 2 a z - --
a z z z 3 a 3 a a
a a |
In[9]:= | Kauffman[Link[10, NonAlternating, 40]][a, z] |
Out[9]= | 3 2
2 4 2 3 a a 5 z 14 z 3 2 3 z
3 + 3 a + a - --- - --- - -- + --- + ---- + 11 a z + 2 a z - 7 z - ---- -
a z z z 3 a 4
a a
2 3 3 4
5 z 2 2 4 2 11 z 25 z 3 3 3 4 4 z
> ---- - 6 a z - a z - ----- - ----- - 16 a z - 2 a z + 3 z + ---- +
2 3 a 4
a a a
4 5 5 6 6 7
4 z 2 4 9 z 18 z 5 6 z 2 z 2 6 2 z
> ---- + 3 a z + ---- + ----- + 9 a z + 2 z - -- + ---- - a z - ---- -
2 3 a 4 2 3
a a a a a
7 8
4 z 7 8 z
> ---- - 2 a z - z - --
a 2
a |
In[10]:= | Kh[L][q, t] |
Out[10]= | 2 1 1 1 2 1 2 2 2 4 2
3 + -- + ----- + ----- + ----- + ---- + ---- + 2 t + q t + 2 q t + 3 q t +
2 8 3 6 2 4 2 4 2
q q t q t q t q t q t
4 3 6 3 6 4 8 4 10 5
> q t + q t + q t + q t + q t |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L10n40 |
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