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L10a49

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Acknowledgement

L10a49 as Morse Link
DrawMorseLink

PD Presentation: X6172 X16,7,17,8 X4,17,1,18 X10,5,11,6 X14,3,15,4 X18,11,19,12 X20,13,5,14 X12,19,13,20 X2,9,3,10 X8,15,9,16

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

Jones Polynomial: - q-25/2 + 4q-23/2 - 7q-21/2 + 11q-19/2 - 13q-17/2 + 14q-15/2 - 14q-13/2 + 9q-11/2 - 7q-9/2 + 3q-7/2 - q-5/2

A2 (sl(3)) Invariant: q-38 - 2q-36 - 2q-34 - 4q-30 + q-28 + q-24 + 5q-22 + q-20 + 6q-18 + q-16 + 2q-12 - 2q-10 + q-8

HOMFLY-PT Polynomial: - 2a5z3 - a5z5 - 3a7z-1 - 10a7z - 10a7z3 - 3a7z5 + 5a9z-1 + 8a9z + a9z3 - a9z5 - 2a11z-1 + a11z3

Kauffman Polynomial: 2a5z3 - a5z5 + 5a6z4 - 3a6z6 - 3a7z-1 + 10a7z - 18a7z3 + 16a7z5 - 6a7z7 + 5a8 - 7a8z2 - 2a8z4 + 8a8z6 - 5a8z8 - 5a9z-1 + 14a9z - 27a9z3 + 22a9z5 - 6a9z7 - 2a9z9 + 5a10 - 4a10z2 - 13a10z4 + 20a10z6 - 10a10z8 - 2a11z-1 + 5a11z - 11a11z3 + 16a11z5 - 6a11z7 - 2a11z9 + a12z2 + a12z4 + 5a12z6 - 5a12z8 + a13z - 3a13z3 + 10a13z5 - 6a13z7 - a14 - 2a14z2 + 7a14z4 - 4a14z6 + a15z3 - a15z5

Khovanov Homology:
trqj r = -10r = -9r = -8r = -7r = -6r = -5r = -4r = -3r = -2r = -1r = 0
j = -4          1
j = -6         31
j = -8        4  
j = -10       53  
j = -12      94   
j = -14     66    
j = -16    78     
j = -18   46      
j = -20  37       
j = -22 14        
j = -24 3         
j = -261          


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, 49]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[10, Alternating, 49]]
Out[4]=   
PD[X[6, 1, 7, 2], X[16, 7, 17, 8], X[4, 17, 1, 18], X[10, 5, 11, 6], 
 
>   X[14, 3, 15, 4], X[18, 11, 19, 12], X[20, 13, 5, 14], X[12, 19, 13, 20], 
 
>   X[2, 9, 3, 10], X[8, 15, 9, 16]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -9, 5, -3}, {4, -1, 2, -10, 9, -4, 6, -8, 7, -5, 10, -2, 3, -6, 
 
>    8, -7}]
In[6]:=
Jones[L][q]
Out[6]=   
  -(25/2)     4       7      11      13      14      14       9      7
-q        + ----- - ----- + ----- - ----- + ----- - ----- + ----- - ---- + 
             23/2    21/2    19/2    17/2    15/2    13/2    11/2    9/2
            q       q       q       q       q       q       q       q
 
     3      -(5/2)
>   ---- - q
     7/2
    q
In[7]:=
A2Invariant[L][q]
Out[7]=   
 -38    2     2     4     -28    -24    5     -20    6     -16    2     2     -8
q    - --- - --- - --- + q    + q    + --- + q    + --- + q    + --- - --- + q
        36    34    30                  22           18           12    10
       q     q     q                   q            q            q     q
In[8]:=
HOMFLYPT[Link[10, Alternating, 49]][a, z]
Out[8]=   
    7      9      11
-3 a    5 a    2 a         7        9        5  3       7  3    9  3    11  3
----- + ---- - ----- - 10 a  z + 8 a  z - 2 a  z  - 10 a  z  + a  z  + a   z  - 
  z      z       z
 
     5  5      7  5    9  5
>   a  z  - 3 a  z  - a  z
In[9]:=
Kauffman[Link[10, Alternating, 49]][a, z]
Out[9]=   
                        7      9      11
   8      10    14   3 a    5 a    2 a         7         9        11
5 a  + 5 a   - a   - ---- - ---- - ----- + 10 a  z + 14 a  z + 5 a   z + 
                      z      z       z
 
     13        8  2      10  2    12  2      14  2      5  3       7  3
>   a   z - 7 a  z  - 4 a   z  + a   z  - 2 a   z  + 2 a  z  - 18 a  z  - 
 
        9  3       11  3      13  3    15  3      6  4      8  4       10  4
>   27 a  z  - 11 a   z  - 3 a   z  + a   z  + 5 a  z  - 2 a  z  - 13 a   z  + 
 
     12  4      14  4    5  5       7  5       9  5       11  5       13  5
>   a   z  + 7 a   z  - a  z  + 16 a  z  + 22 a  z  + 16 a   z  + 10 a   z  - 
 
     15  5      6  6      8  6       10  6      12  6      14  6      7  7
>   a   z  - 3 a  z  + 8 a  z  + 20 a   z  + 5 a   z  - 4 a   z  - 6 a  z  - 
 
       9  7      11  7      13  7      8  8       10  8      12  8      9  9
>   6 a  z  - 6 a   z  - 6 a   z  - 5 a  z  - 10 a   z  - 5 a   z  - 2 a  z  - 
 
       11  9
>   2 a   z
In[10]:=
Kh[L][q, t]
Out[10]=   
 -6    -4      1        3        1        4        3        7        4
q   + q   + ------- + ------ + ------ + ------ + ------ + ------ + ------ + 
             26  10    24  9    22  9    22  8    20  8    20  7    18  7
            q   t     q   t    q   t    q   t    q   t    q   t    q   t
 
      6        7        8        6        6        9        4        5
>   ------ + ------ + ------ + ------ + ------ + ------ + ------ + ------ + 
     18  6    16  6    16  5    14  5    14  4    12  4    12  3    10  3
    q   t    q   t    q   t    q   t    q   t    q   t    q   t    q   t
 
      3        4      3
>   ------ + ----- + ----
     10  2    8  2    6
    q   t    q  t    q  t


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