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L11a401

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Acknowledgement

L11a401 as Morse Link
DrawMorseLink

PD Presentation: X6172 X18,12,19,11 X8493 X2,16,3,15 X16,7,17,8 X22,9,11,10 X4,17,1,18 X10,19,5,20 X12,6,13,5 X14,21,15,22 X20,13,21,14

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

Jones Polynomial: - q-8 + 5q-7 - 12q-6 + 20q-5 - 27q-4 + 32q-3 - 30q-2 + 28q-1 - 19 + 12q - 5q2 + q3

A2 (sl(3)) Invariant: - q-24 + 2q-22 - 3q-18 + 5q-16 - 5q-14 + 3q-12 + 4q-10 + q-8 + 12q-6 - q-4 + 9q-2 + 1 - 2q2 + 4q4 - 3q6 + q8

HOMFLY-PT Polynomial: z-2 + 1 + z2 + 2z4 + z6 - 2a2z-2 - a2 - 3a2z2 - 6a2z4 - 4a2z6 - a2z8 + a4z-2 + 3a4z2 + 5a4z4 + 2a4z6 - a6z2 - a6z4

Kauffman Polynomial: - a-2z4 + a-2z6 + 3a-1z3 - 8a-1z5 + 5a-1z7 - z-2 + 1 - 4z2 + 16z4 - 23z6 + 11z8 + 2az-1 - az + 6az3 - 4az5 - 14az7 + 11az9 - 2a2z-2 + a2 - 12a2z2 + 51a2z4 - 67a2z6 + 22a2z8 + 4a2z10 + 2a3z-1 - a3z + 8a3z3 + 2a3z5 - 37a3z7 + 24a3z9 - a4z-2 + a4 - 12a4z2 + 51a4z4 - 73a4z6 + 28a4z8 + 4a4z10 + 10a5z3 - 17a5z5 - 6a5z7 + 13a5z9 - 4a6z2 + 14a6z4 - 25a6z6 + 17a6z8 + 5a7z3 - 14a7z5 + 12a7z7 - 3a8z4 + 5a8z6 + a9z5

Khovanov Homology:
trqj r = -7r = -6r = -5r = -4r = -3r = -2r = -1r = 0r = 1r = 2r = 3r = 4
j = 7           1
j = 5          4 
j = 3         81 
j = 1        114  
j = -1       178   
j = -3      1513    
j = -5     1715     
j = -7    1217      
j = -9   815       
j = -11  412        
j = -13 18         
j = -15 4          
j = -171           


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]=   
3
In[3]:=
Show[DrawMorseLink[Link[11, Alternating, 401]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[11, Alternating, 401]]
Out[4]=   
PD[X[6, 1, 7, 2], X[18, 12, 19, 11], X[8, 4, 9, 3], X[2, 16, 3, 15], 
 
>   X[16, 7, 17, 8], X[22, 9, 11, 10], X[4, 17, 1, 18], X[10, 19, 5, 20], 
 
>   X[12, 6, 13, 5], X[14, 21, 15, 22], X[20, 13, 21, 14]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -4, 3, -7}, {9, -1, 5, -3, 6, -8}, 
 
>   {2, -9, 11, -10, 4, -5, 7, -2, 8, -11, 10, -6}]
In[6]:=
Jones[L][q]
Out[6]=   
       -8   5    12   20   27   32   30   28             2    3
-19 - q   + -- - -- + -- - -- + -- - -- + -- + 12 q - 5 q  + q
             7    6    5    4    3    2   q
            q    q    q    q    q    q
In[7]:=
A2Invariant[L][q]
Out[7]=   
     -24    2     3     5     5     3     4     -8   12    -4   9       2
1 - q    + --- - --- + --- - --- + --- + --- + q   + -- - q   + -- - 2 q  + 
            22    18    16    14    12    10          6          2
           q     q     q     q     q     q           q          q
 
       4      6    8
>   4 q  - 3 q  + q
In[8]:=
HOMFLYPT[Link[11, Alternating, 401]][a, z]
Out[8]=   
                  2    4
     2    -2   2 a    a     2      2  2      4  2    6  2      4      2  4
1 - a  + z   - ---- + -- + z  - 3 a  z  + 3 a  z  - a  z  + 2 z  - 6 a  z  + 
                 2     2
                z     z
 
       4  4    6  4    6      2  6      4  6    2  8
>   5 a  z  - a  z  + z  - 4 a  z  + 2 a  z  - a  z
In[9]:=
Kauffman[Link[11, Alternating, 401]][a, z]
Out[9]=   
                       2    4            3
     2    4    -2   2 a    a    2 a   2 a           3        2       2  2
1 + a  + a  - z   - ---- - -- + --- + ---- - a z - a  z - 4 z  - 12 a  z  - 
                      2     2    z     z
                     z     z
 
                            3
        4  2      6  2   3 z         3      3  3       5  3      7  3       4
>   12 a  z  - 4 a  z  + ---- + 6 a z  + 8 a  z  + 10 a  z  + 5 a  z  + 16 z  - 
                          a
 
     4                                                 5
    z        2  4       4  4       6  4      8  4   8 z         5      3  5
>   -- + 51 a  z  + 51 a  z  + 14 a  z  - 3 a  z  - ---- - 4 a z  + 2 a  z  - 
     2                                               a
    a
 
                                           6
        5  5       7  5    9  5       6   z        2  6       4  6       6  6
>   17 a  z  - 14 a  z  + a  z  - 23 z  + -- - 67 a  z  - 73 a  z  - 25 a  z  + 
                                           2
                                          a
 
                 7
       8  6   5 z          7       3  7      5  7       7  7       8
>   5 a  z  + ---- - 14 a z  - 37 a  z  - 6 a  z  + 12 a  z  + 11 z  + 
               a
 
        2  8       4  8       6  8         9       3  9       5  9      2  10
>   22 a  z  + 28 a  z  + 17 a  z  + 11 a z  + 24 a  z  + 13 a  z  + 4 a  z   + 
 
       4  10
>   4 a  z
In[10]:=
Kh[L][q, t]
Out[10]=   
13   17     1        4        1        8        4        12       8      15
-- + -- + ------ + ------ + ------ + ------ + ------ + ------ + ----- + ----- + 
 3   q     17  7    15  6    13  6    13  5    11  5    11  4    9  4    9  3
q         q   t    q   t    q   t    q   t    q   t    q   t    q  t    q  t
 
     12      17      17      15     15    8 t                 2      3  2
>   ----- + ----- + ----- + ---- + ---- + --- + 11 q t + 4 q t  + 8 q  t  + 
     7  3    7  2    5  2    5      3      q
    q  t    q  t    q  t    q  t   q  t
 
     3  3      5  3    7  4
>   q  t  + 4 q  t  + q  t


Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11a401
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