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L10a57

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Acknowledgement

L10a57 as Morse Link
DrawMorseLink

PD Presentation: X8192 X10,3,11,4 X14,6,15,5 X16,11,17,12 X20,17,7,18 X18,14,19,13 X12,20,13,19 X4,16,5,15 X2738 X6,9,1,10

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

Jones Polynomial: - q-13/2 + 3q-11/2 - 6q-9/2 + 9q-7/2 - 12q-5/2 + 12q-3/2 - 12q-1/2 + 9q1/2 - 6q3/2 + 3q5/2 - q7/2

A2 (sl(3)) Invariant: q-20 - q-18 + q-16 + 3q-14 - 2q-12 + 2q-10 - q-6 + 2q-4 - q-2 + 4 + 2q6 - 2q8 + q12

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

Kauffman Polynomial: - a-3z + 2a-3z3 - a-3z5 - 3a-2z2 + 6a-2z4 - 3a-2z6 - a-1z-1 + 2a-1z - 2a-1z3 + 6a-1z5 - 4a-1z7 - 2z2 + 6z4 - 3z8 - 2az-1 + 12az - 22az3 + 21az5 - 8az7 - az9 - a2 + 3a2z2 - 9a2z4 + 12a2z6 - 7a2z8 - 2a3z-1 + 14a3z - 31a3z3 + 27a3z5 - 9a3z7 - a3z9 - 3a4z4 + 6a4z6 - 4a4z8 - a5z-1 + 5a5z - 11a5z3 + 12a5z5 - 5a5z7 - 2a6z2 + 6a6z4 - 3a6z6 + 2a7z3 - a7z5

Khovanov Homology:
trqj r = -6r = -5r = -4r = -3r = -2r = -1r = 0r = 1r = 2r = 3r = 4
j = 8          1
j = 6         2 
j = 4        41 
j = 2       52  
j = 0      74   
j = -2     66    
j = -4    66     
j = -6   47      
j = -8  25       
j = -10 14        
j = -12 2         
j = -141          


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, 57]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[10, Alternating, 57]]
Out[4]=   
PD[X[8, 1, 9, 2], X[10, 3, 11, 4], X[14, 6, 15, 5], X[16, 11, 17, 12], 
 
>   X[20, 17, 7, 18], X[18, 14, 19, 13], X[12, 20, 13, 19], X[4, 16, 5, 15], 
 
>   X[2, 7, 3, 8], X[6, 9, 1, 10]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -9, 2, -8, 3, -10}, 
 
>   {9, -1, 10, -2, 4, -7, 6, -3, 8, -4, 5, -6, 7, -5}]
In[6]:=
Jones[L][q]
Out[6]=   
  -(13/2)     3      6      9      12     12      12                     3/2
-q        + ----- - ---- + ---- - ---- + ---- - ------- + 9 Sqrt[q] - 6 q    + 
             11/2    9/2    7/2    5/2    3/2   Sqrt[q]
            q       q      q      q      q
 
       5/2    7/2
>   3 q    - q
In[7]:=
A2Invariant[L][q]
Out[7]=   
     -20    -18    -16    3     2     2     -6   2     -2      6      8    12
4 + q    - q    + q    + --- - --- + --- - q   + -- - q   + 2 q  - 2 q  + q
                          14    12    10          4
                         q     q     q           q
In[8]:=
HOMFLYPT[Link[10, Alternating, 57]][a, z]
Out[8]=   
                  3    5                                       3
   1     2 a   2 a    a    z    z              3      5     2 z       3  3
-(---) + --- - ---- + -- - -- + - + 2 a z - 4 a  z + a  z + ---- - 2 a  z  + 
  a z     z     z     z     3   a                            a
                           a
 
     5  3      5    3  5
>   a  z  - a z  - a  z
In[9]:=
Kauffman[Link[10, Alternating, 57]][a, z]
Out[9]=   
                     3    5
  2    1    2 a   2 a    a    z    2 z                3        5        2
-a  - --- - --- - ---- - -- - -- + --- + 12 a z + 14 a  z + 5 a  z - 2 z  - 
      a z    z     z     z     3    a
                              a
 
       2                          3      3
    3 z       2  2      6  2   2 z    2 z          3       3  3       5  3
>   ---- + 3 a  z  - 2 a  z  + ---- - ---- - 22 a z  - 31 a  z  - 11 a  z  + 
      2                          3     a
     a                          a
 
                        4                                  5      5
       7  3      4   6 z       2  4      4  4      6  4   z    6 z          5
>   2 a  z  + 6 z  + ---- - 9 a  z  - 3 a  z  + 6 a  z  - -- + ---- + 21 a z  + 
                       2                                   3    a
                      a                                   a
 
                                     6                                     7
        3  5       5  5    7  5   3 z        2  6      4  6      6  6   4 z
>   27 a  z  + 12 a  z  - a  z  - ---- + 12 a  z  + 6 a  z  - 3 a  z  - ---- - 
                                    2                                    a
                                   a
 
         7      3  7      5  7      8      2  8      4  8      9    3  9
>   8 a z  - 9 a  z  - 5 a  z  - 3 z  - 7 a  z  - 4 a  z  - a z  - a  z
In[10]:=
Kh[L][q, t]
Out[10]=   
    6      1        2        1        4        2       5       4       7
7 + -- + ------ + ------ + ------ + ------ + ----- + ----- + ----- + ----- + 
     2    14  6    12  5    10  5    10  4    8  4    8  3    6  3    6  2
    q    q   t    q   t    q   t    q   t    q  t    q  t    q  t    q  t
 
      6      6      6              2        2  2      4  2    4  3      6  3
>   ----- + ---- + ---- + 4 t + 5 q  t + 2 q  t  + 4 q  t  + q  t  + 2 q  t  + 
     4  2    4      2
    q  t    q  t   q  t
 
     8  4
>   q  t


Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L10a57
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