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L10a84

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Acknowledgement

L10a84 as Morse Link
DrawMorseLink

PD Presentation: X8192 X14,9,15,10 X4758 X16,6,17,5 X18,16,19,15 X6,18,1,17 X20,11,7,12 X10,19,11,20 X2,14,3,13 X12,4,13,3

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

Jones Polynomial: q-11/2 - 3q-9/2 + 7q-7/2 - 11q-5/2 + 13q-3/2 - 15q-1/2 + 13q1/2 - 11q3/2 + 7q5/2 - 4q7/2 + q9/2

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

HOMFLY-PT Polynomial: a-3z + a-3z3 - 2a-1z-1 - 6a-1z - 6a-1z3 - 2a-1z5 + 3az-1 + 10az + 11az3 + 5az5 + az7 - a3z-1 - 4a3z - 3a3z3 - a3z5

Kauffman Polynomial: - a-4z2 + 2a-4z4 - a-4z6 + a-3z - 8a-3z3 + 11a-3z5 - 4a-3z7 - 2a-2z2 - 3a-2z4 + 11a-2z6 - 5a-2z8 - 2a-1z-1 + 10a-1z - 26a-1z3 + 30a-1z5 - 7a-1z7 - 2a-1z9 + 3 - 5z2 - 6z4 + 22z6 - 11z8 - 3az-1 + 15az - 33az3 + 35az5 - 11az7 - 2az9 + 3a2 - 10a2z2 + 7a2z4 + 4a2z6 - 6a2z8 - a3z-1 + 6a3z - 13a3z3 + 13a3z5 - 8a3z7 + a4 - 5a4z2 + 7a4z4 - 6a4z6 + 2a5z3 - 3a5z5 + a6z2 - a6z4

Khovanov Homology:
trqj r = -5r = -4r = -3r = -2r = -1r = 0r = 1r = 2r = 3r = 4r = 5
j = 10          1
j = 8         3 
j = 6        41 
j = 4       73  
j = 2      75   
j = 0     86    
j = -2    68     
j = -4   57      
j = -6  26       
j = -8 15        
j = -10 2         
j = -121          


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, Alternating, 84]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[10, Alternating, 84]]
Out[4]=   
PD[X[8, 1, 9, 2], X[14, 9, 15, 10], X[4, 7, 5, 8], X[16, 6, 17, 5], 
 
>   X[18, 16, 19, 15], X[6, 18, 1, 17], X[20, 11, 7, 12], X[10, 19, 11, 20], 
 
>   X[2, 14, 3, 13], X[12, 4, 13, 3]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -9, 10, -3, 4, -6}, 
 
>   {3, -1, 2, -8, 7, -10, 9, -2, 5, -4, 6, -5, 8, -7}]
In[6]:=
Jones[L][q]
Out[6]=   
 -(11/2)    3      7      11     13      15                       3/2
q        - ---- + ---- - ---- + ---- - ------- + 13 Sqrt[q] - 11 q    + 
            9/2    7/2    5/2    3/2   Sqrt[q]
           q      q      q      q
 
       5/2      7/2    9/2
>   7 q    - 4 q    + q
In[7]:=
A2Invariant[L][q]
Out[7]=   
     -16    -14    3    2    2    4     -2      2      6    8    10    12    14
3 - q    + q    - --- + -- - -- + -- - q   + 2 q  + 4 q  - q  + q   + q   - q
                   12    8    6    4
                  q     q    q    q
In[8]:=
HOMFLYPT[Link[10, Alternating, 84]][a, z]
Out[8]=   
             3                                 3      3
-2    3 a   a    z    6 z               3     z    6 z          3      3  3
--- + --- - -- + -- - --- + 10 a z - 4 a  z + -- - ---- + 11 a z  - 3 a  z  - 
a z    z    z     3    a                       3    a
                 a                            a
 
       5
    2 z         5    3  5      7
>   ---- + 5 a z  - a  z  + a z
     a
In[9]:=
Kauffman[Link[10, Alternating, 84]][a, z]
Out[9]=   
                             3                                         2
       2    4    2    3 a   a    z    10 z               3        2   z
3 + 3 a  + a  - --- - --- - -- + -- + ---- + 15 a z + 6 a  z - 5 z  - -- - 
                a z    z    z     3    a                               4
                                 a                                    a
 
       2                                   3       3
    2 z        2  2      4  2    6  2   8 z    26 z          3       3  3
>   ---- - 10 a  z  - 5 a  z  + a  z  - ---- - ----- - 33 a z  - 13 a  z  + 
      2                                   3      a
     a                                   a
 
                        4      4                                   5       5
       5  3      4   2 z    3 z       2  4      4  4    6  4   11 z    30 z
>   2 a  z  - 6 z  + ---- - ---- + 7 a  z  + 7 a  z  - a  z  + ----- + ----- + 
                       4      2                                  3       a
                      a      a                                  a
 
                                            6       6
          5       3  5      5  5       6   z    11 z       2  6      4  6
>   35 a z  + 13 a  z  - 3 a  z  + 22 z  - -- + ----- + 4 a  z  - 6 a  z  - 
                                            4     2
                                           a     a
 
       7      7                                  8                9
    4 z    7 z          7      3  7       8   5 z       2  8   2 z         9
>   ---- - ---- - 11 a z  - 8 a  z  - 11 z  - ---- - 6 a  z  - ---- - 2 a z
      3     a                                   2               a
     a                                         a
In[10]:=
Kh[L][q, t]
Out[10]=   
    8      1        2        1       5       2       6       5      7
8 + -- + ------ + ------ + ----- + ----- + ----- + ----- + ----- + ---- + 
     2    12  5    10  4    8  4    8  3    6  3    6  2    4  2    4
    q    q   t    q   t    q  t    q  t    q  t    q  t    q  t    q  t
 
     6              2        2  2      4  2      4  3      6  3    6  4
>   ---- + 6 t + 7 q  t + 5 q  t  + 7 q  t  + 3 q  t  + 4 q  t  + q  t  + 
     2
    q  t
 
       8  4    10  5
>   3 q  t  + q   t


Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L10a84
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