© | Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table:
L11a81
L11a81
L11a83
L11a83
L11a82
Knotscape
This page is passe. Go here instead!

The 2-Component Link

L11a82

Visit L11a82's page at Knotilus!

Acknowledgement

L11a82 as Morse Link
DrawMorseLink

PD Presentation: X6172 X12,3,13,4 X16,8,17,7 X22,13,5,14 X14,17,15,18 X20,10,21,9 X18,21,19,22 X8,16,9,15 X10,20,11,19 X2536 X4,11,1,12

Gauss Code: {{1, -10, 2, -11}, {10, -1, 3, -8, 6, -9, 11, -2, 4, -5, 8, -3, 5, -7, 9, -6, 7, -4}}

Jones Polynomial: q-15/2 - 4q-13/2 + 8q-11/2 - 14q-9/2 + 18q-7/2 - 22q-5/2 + 21q-3/2 - 18q-1/2 + 14q1/2 - 8q3/2 + 3q5/2 - q7/2

A2 (sl(3)) Invariant: - q-24 + 3q-20 - 2q-18 + 3q-16 + 5q-14 - 3q-12 + 4q-10 - q-8 + q-4 - 4q-2 + 4 - 3q2 + 4q6 - 2q8 + q12

HOMFLY-PT Polynomial: - a-3z - a-1z-1 - a-1z + 2a-1z3 + 3az-1 + 6az + 3az3 - az5 - 4a3z-1 - 8a3z - 4a3z3 - 2a3z5 + 2a5z-1 + 3a5z + 3a5z3 - a7z

Kauffman Polynomial: - a-3z + 2a-3z3 - a-3z5 - a-2z2 + 4a-2z4 - 3a-2z6 - a-1z-1 + 4a-1z - 7a-1z3 + 9a-1z5 - 6a-1z7 - 1 + 11z2 - 16z4 + 14z6 - 8z8 - 3az-1 + 17az - 34az3 + 26az5 - 4az7 - 5az9 - 3a2 + 24a2z2 - 53a2z4 + 51a2z6 - 19a2z8 - a2z10 - 4a3z-1 + 24a3z - 53a3z3 + 40a3z5 + a3z7 - 9a3z9 - 2a4 + 14a4z2 - 40a4z4 + 47a4z6 - 17a4z8 - a4z10 - 2a5z-1 + 15a5z - 36a5z3 + 34a5z5 - 5a5z7 - 4a5z9 - a6 + a6z2 - 5a6z4 + 12a6z6 - 6a6z8 + 3a7z - 8a7z3 + 10a7z5 - 4a7z7 - a8z2 + 2a8z4 - a8z6

Khovanov Homology:
trqj r = -7r = -6r = -5r = -4r = -3r = -2r = -1r = 0r = 1r = 2r = 3r = 4
j = 8           1
j = 6          2 
j = 4         61 
j = 2        82  
j = 0       106   
j = -2      129    
j = -4     109     
j = -6    812      
j = -8   610       
j = -10  39        
j = -12 15         
j = -14 3          
j = -161           


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, 82]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[11, Alternating, 82]]
Out[4]=   
PD[X[6, 1, 7, 2], X[12, 3, 13, 4], X[16, 8, 17, 7], X[22, 13, 5, 14], 
 
>   X[14, 17, 15, 18], X[20, 10, 21, 9], X[18, 21, 19, 22], X[8, 16, 9, 15], 
 
>   X[10, 20, 11, 19], X[2, 5, 3, 6], X[4, 11, 1, 12]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -10, 2, -11}, {10, -1, 3, -8, 6, -9, 11, -2, 4, -5, 8, -3, 5, -7, 
 
>    9, -6, 7, -4}]
In[6]:=
Jones[L][q]
Out[6]=   
 -(15/2)     4       8      14     18     22     21      18
q        - ----- + ----- - ---- + ---- - ---- + ---- - ------- + 14 Sqrt[q] - 
            13/2    11/2    9/2    7/2    5/2    3/2   Sqrt[q]
           q       q       q      q      q      q
 
       3/2      5/2    7/2
>   8 q    + 3 q    - q
In[7]:=
A2Invariant[L][q]
Out[7]=   
     -24    3     2     3     5     3     4     -8    -4   4       2      6
4 - q    + --- - --- + --- + --- - --- + --- - q   + q   - -- - 3 q  + 4 q  - 
            20    18    16    14    12    10                2
           q     q     q     q     q     q                 q
 
       8    12
>   2 q  + q
In[8]:=
HOMFLYPT[Link[11, Alternating, 82]][a, z]
Out[8]=   
                  3      5                                                3
   1     3 a   4 a    2 a    z    z              3        5      7     2 z
-(---) + --- - ---- + ---- - -- - - + 6 a z - 8 a  z + 3 a  z - a  z + ---- + 
  a z     z     z      z      3   a                                     a
                             a
 
         3      3  3      5  3      5      3  5
>   3 a z  - 4 a  z  + 3 a  z  - a z  - 2 a  z
In[9]:=
Kauffman[Link[11, Alternating, 82]][a, z]
Out[9]=   
                                       3      5
        2      4    6    1    3 a   4 a    2 a    z    4 z                3
-1 - 3 a  - 2 a  - a  - --- - --- - ---- - ---- - -- + --- + 17 a z + 24 a  z + 
                        a z    z     z      z      3    a
                                                  a
 
                                2
        5        7         2   z        2  2       4  2    6  2    8  2
>   15 a  z + 3 a  z + 11 z  - -- + 24 a  z  + 14 a  z  + a  z  - a  z  + 
                                2
                               a
 
       3      3                                                        4
    2 z    7 z          3       3  3       5  3      7  3       4   4 z
>   ---- - ---- - 34 a z  - 53 a  z  - 36 a  z  - 8 a  z  - 16 z  + ---- - 
      3     a                                                         2
     a                                                               a
 
                                               5      5
        2  4       4  4      6  4      8  4   z    9 z          5       3  5
>   53 a  z  - 40 a  z  - 5 a  z  + 2 a  z  - -- + ---- + 26 a z  + 40 a  z  + 
                                               3    a
                                              a
 
                                     6
        5  5       7  5       6   3 z        2  6       4  6       6  6
>   34 a  z  + 10 a  z  + 14 z  - ---- + 51 a  z  + 47 a  z  + 12 a  z  - 
                                    2
                                   a
 
               7
     8  6   6 z         7    3  7      5  7      7  7      8       2  8
>   a  z  - ---- - 4 a z  + a  z  - 5 a  z  - 4 a  z  - 8 z  - 19 a  z  - 
             a
 
        4  8      6  8        9      3  9      5  9    2  10    4  10
>   17 a  z  - 6 a  z  - 5 a z  - 9 a  z  - 4 a  z  - a  z   - a  z
In[10]:=
Kh[L][q, t]
Out[10]=   
     9      1        3        1        5        3        9        6      10
10 + -- + ------ + ------ + ------ + ------ + ------ + ------ + ----- + ----- + 
      2    16  7    14  6    12  6    12  5    10  5    10  4    8  4    8  3
     q    q   t    q   t    q   t    q   t    q   t    q   t    q  t    q  t
 
      8      12      10      9      12             2        2  2      4  2
>   ----- + ----- + ----- + ---- + ---- + 6 t + 8 q  t + 2 q  t  + 6 q  t  + 
     6  3    6  2    4  2    4      2
    q  t    q  t    q  t    q  t   q  t
 
     4  3      6  3    8  4
>   q  t  + 2 q  t  + q  t


Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11a82
L11a81
L11a81
L11a83
L11a83