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L11a485

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Acknowledgement

L11a485 as Morse Link
DrawMorseLink

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

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

Jones Polynomial: q-6 - 6q-5 + 13q-4 - 20q-3 + 28q-2 - 30q-1 + 32 - 26q + 19q2 - 11q3 + 5q4 - q5

A2 (sl(3)) Invariant: q-18 - 3q-16 - q-14 + 2q-12 - 4q-10 + 8q-8 + 2q-6 + 4q-4 + 8q-2 - 2 + 9q2 - 3q4 + 3q6 + 4q8 - 3q10 + 3q12 - q14

HOMFLY-PT Polynomial: a-2z-2 + 2a-2 - 2a-2z4 - a-2z6 - 2z-2 - 6 - 2z2 + 5z4 + 4z6 + z8 + a2z-2 + 6a2 + 2a2z2 - 4a2z4 - 2a2z6 - 2a4 + a4z4

Kauffman Polynomial: a-5z5 - 4a-4z4 + 5a-4z6 + 4a-3z3 - 13a-3z5 + 11a-3z7 + a-2z-2 - 4a-2 + 2a-2z2 + 8a-2z4 - 20a-2z6 + 15a-2z8 - 2a-1z-1 + 2a-1z + 12a-1z3 - 17a-1z5 - 5a-1z7 + 12a-1z9 + 2z-2 - 11 + 10z2 + 38z4 - 67z6 + 26z8 + 4z10 - 2az-1 + 6az + 10az3 - 3az5 - 36az7 + 24az9 + a2z-2 - 12a2 + 10a2z2 + 38a2z4 - 69a2z6 + 24a2z8 + 4a2z10 + 6a3z + 2a3z3 - 8a3z5 - 14a3z7 + 12a3z9 - 4a4 + 2a4z2 + 12a4z4 - 26a4z6 + 13a4z8 + 2a5z - 8a5z5 + 6a5z7 + a6z6

Khovanov Homology:
trqj r = -6r = -5r = -4r = -3r = -2r = -1r = 0r = 1r = 2r = 3r = 4r = 5
j = 11           1
j = 9          4 
j = 7         71 
j = 5        124  
j = 3       147   
j = 1      1812    
j = -1     1618     
j = -3    1214      
j = -5   816       
j = -7  512        
j = -9 18         
j = -11 5          
j = -131           


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, 485]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[11, Alternating, 485]]
Out[4]=   
PD[X[6, 1, 7, 2], X[14, 7, 15, 8], X[4, 15, 1, 16], X[12, 6, 13, 5], 
 
>   X[8, 4, 9, 3], X[22, 11, 19, 12], X[18, 22, 5, 21], X[20, 10, 21, 9], 
 
>   X[10, 17, 11, 18], X[16, 19, 17, 20], X[2, 14, 3, 13]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -11, 5, -3}, {10, -8, 7, -6}, 
 
>   {4, -1, 2, -5, 8, -9, 6, -4, 11, -2, 3, -10, 9, -7}]
In[6]:=
Jones[L][q]
Out[6]=   
      -6   6    13   20   28   30              2       3      4    5
32 + q   - -- + -- - -- + -- - -- - 26 q + 19 q  - 11 q  + 5 q  - q
            5    4    3    2   q
           q    q    q    q
In[7]:=
A2Invariant[L][q]
Out[7]=   
      -18    3     -14    2     4    8    2    4    8       2      4      6
-2 + q    - --- - q    + --- - --- + -- + -- + -- + -- + 9 q  - 3 q  + 3 q  + 
             16           12    10    8    6    4    2
            q            q     q     q    q    q    q
 
       8      10      12    14
>   4 q  - 3 q   + 3 q   - q
In[8]:=
HOMFLYPT[Link[11, Alternating, 485]][a, z]
Out[8]=   
                                      2                              4
     2       2      4   2      1     a       2      2  2      4   2 z
-6 + -- + 6 a  - 2 a  - -- + ----- + -- - 2 z  + 2 a  z  + 5 z  - ---- - 
      2                  2    2  2    2                             2
     a                  z    a  z    z                             a
 
                              6
       2  4    4  4      6   z       2  6    8
>   4 a  z  + a  z  + 4 z  - -- - 2 a  z  + z
                              2
                             a
In[9]:=
Kauffman[Link[11, Alternating, 485]][a, z]
Out[9]=   
                                        2
      4        2      4   2      1     a     2    2 a   2 z              3
-11 - -- - 12 a  - 4 a  + -- + ----- + -- - --- - --- + --- + 6 a z + 6 a  z + 
       2                   2    2  2    2   a z    z     a
      a                   z    a  z    z
 
                        2                           3       3
       5         2   2 z        2  2      4  2   4 z    12 z          3
>   2 a  z + 10 z  + ---- + 10 a  z  + 2 a  z  + ---- + ----- + 10 a z  + 
                       2                           3      a
                      a                           a
 
                         4      4                          5       5       5
       3  3       4   4 z    8 z        2  4       4  4   z    13 z    17 z
>   2 a  z  + 38 z  - ---- + ---- + 38 a  z  + 12 a  z  + -- - ----- - ----- - 
                        4      2                           5     3       a
                       a      a                           a     a
 
                                            6       6
         5      3  5      5  5       6   5 z    20 z        2  6       4  6
>   3 a z  - 8 a  z  - 8 a  z  - 67 z  + ---- - ----- - 69 a  z  - 26 a  z  + 
                                           4      2
                                          a      a
 
                7      7                                              8
     6  6   11 z    5 z          7       3  7      5  7       8   15 z
>   a  z  + ----- - ---- - 36 a z  - 14 a  z  + 6 a  z  + 26 z  + ----- + 
              3      a                                              2
             a                                                     a
 
                              9
        2  8       4  8   12 z          9       3  9      10      2  10
>   24 a  z  + 13 a  z  + ----- + 24 a z  + 12 a  z  + 4 z   + 4 a  z
                            a
In[10]:=
Kh[L][q, t]
Out[10]=   
18            1        5        1       8       5      12       8      16
-- + 18 q + ------ + ------ + ----- + ----- + ----- + ----- + ----- + ----- + 
q            13  6    11  5    9  5    9  4    7  4    7  3    5  3    5  2
            q   t    q   t    q  t    q  t    q  t    q  t    q  t    q  t
 
     12      14    16                 3        3  2       5  2      5  3
>   ----- + ---- + --- + 12 q t + 14 q  t + 7 q  t  + 12 q  t  + 4 q  t  + 
     3  2    3     q t
    q  t    q  t
 
       7  3    7  4      9  4    11  5
>   7 q  t  + q  t  + 4 q  t  + q   t


Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11a485
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