| © | Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: |
|
![]() Knotscape |
This page is passe. Go here
instead!
The 2-Component Link L11a243Visit L11a243's page at Knotilus! |
![]() DrawMorseLink |
| PD Presentation: | X8192 X12,4,13,3 X22,10,7,9 X16,11,17,12 X10,15,11,16 X2738 X20,17,21,18 X6,14,1,13 X4,20,5,19 X18,6,19,5 X14,21,15,22 |
| Gauss Code: | {{1, -6, 2, -9, 10, -8}, {6, -1, 3, -5, 4, -2, 8, -11, 5, -4, 7, -10, 9, -7, 11, -3}} |
| Jones Polynomial: | - q-13/2 + 4q-11/2 - 9q-9/2 + 16q-7/2 - 21q-5/2 + 24q-3/2 - 25q-1/2 + 20q1/2 - 16q3/2 + 9q5/2 - 4q7/2 + q9/2 |
| A2 (sl(3)) Invariant: | q-20 - q-18 - q-16 + 3q-14 - 5q-12 + q-10 - 4q-6 + 5q-4 - 2q-2 + 7 + 2q2 + 5q6 - 3q8 + q10 + q12 - q14 |
| HOMFLY-PT Polynomial: | a-3z + a-3z3 - 2a-1z-1 - 3a-1z - 4a-1z3 - 2a-1z5 + 3az-1 + 5az + 5az3 + 3az5 + az7 - a3z-1 - 3a3z - 4a3z3 - 2a3z5 + a5z + a5z3 |
| Kauffman Polynomial: | - a-4z2 + 2a-4z4 - a-4z6 + 2a-3z - 7a-3z3 + 9a-3z5 - 4a-3z7 - 7a-2z4 + 14a-2z6 - 7a-2z8 - 2a-1z-1 + 6a-1z - 15a-1z3 + 15a-1z5 + 3a-1z7 - 6a-1z9 + 3 + 2z2 - 24z4 + 39z6 - 15z8 - 2z10 - 3az-1 + 5az - 12az3 + 10az5 + 14az7 - 13az9 + 3a2 + 3a2z2 - 26a2z4 + 41a2z6 - 18a2z8 - 2a2z10 - a3z-1 + 2a3z - 11a3z3 + 16a3z5 - a3z7 - 7a3z9 + a4 - 6a4z4 + 13a4z6 - 10a4z8 + a5z - 6a5z3 + 11a5z5 - 8a5z7 - 2a6z2 + 5a6z4 - 4a6z6 + a7z3 - a7z5 |
| Khovanov Homology: |
|
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, 243]]] |
![]() | |
Out[3]= | -Graphics- |
In[4]:= | PD[L = Link[11, Alternating, 243]] |
Out[4]= | PD[X[8, 1, 9, 2], X[12, 4, 13, 3], X[22, 10, 7, 9], X[16, 11, 17, 12], > X[10, 15, 11, 16], X[2, 7, 3, 8], X[20, 17, 21, 18], X[6, 14, 1, 13], > X[4, 20, 5, 19], X[18, 6, 19, 5], X[14, 21, 15, 22]] |
In[5]:= | GaussCode[L] |
Out[5]= | GaussCode[{1, -6, 2, -9, 10, -8},
> {6, -1, 3, -5, 4, -2, 8, -11, 5, -4, 7, -10, 9, -7, 11, -3}] |
In[6]:= | Jones[L][q] |
Out[6]= | -(13/2) 4 9 16 21 24 25
-q + ----- - ---- + ---- - ---- + ---- - ------- + 20 Sqrt[q] -
11/2 9/2 7/2 5/2 3/2 Sqrt[q]
q q q q q
3/2 5/2 7/2 9/2
> 16 q + 9 q - 4 q + q |
In[7]:= | A2Invariant[L][q] |
Out[7]= | -20 -18 -16 3 5 -10 4 5 2 2 6 8
7 + q - q - q + --- - --- + q - -- + -- - -- + 2 q + 5 q - 3 q +
14 12 6 4 2
q q q q q
10 12 14
> q + q - q |
In[8]:= | HOMFLYPT[Link[11, Alternating, 243]][a, z] |
Out[8]= | 3 3 3
-2 3 a a z 3 z 3 5 z 4 z 3
--- + --- - -- + -- - --- + 5 a z - 3 a z + a z + -- - ---- + 5 a z -
a z z z 3 a 3 a
a a
5
3 3 5 3 2 z 5 3 5 7
> 4 a z + a z - ---- + 3 a z - 2 a z + a z
a |
In[9]:= | Kauffman[Link[11, Alternating, 243]][a, z] |
Out[9]= | 3
2 4 2 3 a a 2 z 6 z 3 5 2
3 + 3 a + a - --- - --- - -- + --- + --- + 5 a z + 2 a z + a z + 2 z -
a z z z 3 a
a
2 3 3
z 2 2 6 2 7 z 15 z 3 3 3 5 3
> -- + 3 a z - 2 a z - ---- - ----- - 12 a z - 11 a z - 6 a z +
4 3 a
a a
4 4 5 5
7 3 4 2 z 7 z 2 4 4 4 6 4 9 z 15 z
> a z - 24 z + ---- - ---- - 26 a z - 6 a z + 5 a z + ---- + ----- +
4 2 3 a
a a a
6 6
5 3 5 5 5 7 5 6 z 14 z 2 6
> 10 a z + 16 a z + 11 a z - a z + 39 z - -- + ----- + 41 a z +
4 2
a a
7 7
4 6 6 6 4 z 3 z 7 3 7 5 7 8
> 13 a z - 4 a z - ---- + ---- + 14 a z - a z - 8 a z - 15 z -
3 a
a
8 9
7 z 2 8 4 8 6 z 9 3 9 10 2 10
> ---- - 18 a z - 10 a z - ---- - 13 a z - 7 a z - 2 z - 2 a z
2 a
a |
In[10]:= | Kh[L][q, t] |
Out[10]= | 12 1 3 1 6 3 10 6 11
14 + -- + ------ + ------ + ------ + ------ + ----- + ----- + ----- + ----- +
2 14 6 12 5 10 5 10 4 8 4 8 3 6 3 6 2
q q t q t q t q t q t q t q t q t
10 13 11 2 2 2 4 2 4 3
> ----- + ---- + ---- + 9 t + 11 q t + 7 q t + 10 q t + 3 q t +
4 2 4 2
q t q t q t
6 3 6 4 8 4 10 5
> 6 q t + q t + 3 q t + q t |
| Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11a243 |
|