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L11n248

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Acknowledgement

L11n248 as Morse Link
DrawMorseLink

PD Presentation: X12,1,13,2 X8493 X14,6,15,5 X18,8,19,7 X20,9,21,10 X10,11,1,12 X6,14,7,13 X4,18,5,17 X15,11,16,22 X2,19,3,20 X21,17,22,16

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

Jones Polynomial: - q-7/2 + 4q-5/2 - 9q-3/2 + 12q-1/2 - 15q1/2 + 15q3/2 - 14q5/2 + 10q7/2 - 6q9/2 + 2q11/2

A2 (sl(3)) Invariant: q-10 - 2q-8 + 3q-6 + 5 - 2q2 + 4q4 - 2q6 + q8 + 2q10 - 2q12 + 3q14 - q16 - q18

HOMFLY-PT Polynomial: a-5z + a-3z3 + a-3z5 - a-1z-1 - 3a-1z - 6a-1z3 - 4a-1z5 - a-1z7 + az-1 + 2az + 2az3 + az5

Kauffman Polynomial: 3a-6z2 - 3a-6z4 - 2a-5z + 7a-5z3 - 5a-5z5 - a-5z7 + a-4z2 - a-4z4 + a-4z6 - 3a-4z8 - 2a-3z3 + 7a-3z5 - 4a-3z7 - 2a-3z9 - 2a-2z2 - 3a-2z4 + 14a-2z6 - 10a-2z8 - a-1z-1 + 6a-1z - 19a-1z3 + 28a-1z5 - 11a-1z7 - 2a-1z9 + 1 - z2 + 9z6 - 7z8 - az-1 + 4az - 9az3 + 15az5 - 8az7 - a2z2 + 5a2z4 - 4a2z6 + a3z3 - a3z5

Khovanov Homology:
trqj r = -4r = -3r = -2r = -1r = 0r = 1r = 2r = 3r = 4r = 5
j = 12         2
j = 10        4 
j = 8       62 
j = 6      84  
j = 4     76   
j = 2    88    
j = 0   69     
j = -2  36      
j = -4 16       
j = -6 3        
j = -81         


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[11, NonAlternating, 248]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[11, NonAlternating, 248]]
Out[4]=   
PD[X[12, 1, 13, 2], X[8, 4, 9, 3], X[14, 6, 15, 5], X[18, 8, 19, 7], 
 
>   X[20, 9, 21, 10], X[10, 11, 1, 12], X[6, 14, 7, 13], X[4, 18, 5, 17], 
 
>   X[15, 11, 16, 22], X[2, 19, 3, 20], X[21, 17, 22, 16]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -10, 2, -8, 3, -7, 4, -2, 5, -6}, 
 
>   {6, -1, 7, -3, -9, 11, 8, -4, 10, -5, -11, 9}]
In[6]:=
Jones[L][q]
Out[6]=   
  -(7/2)    4      9       12                       3/2       5/2       7/2
-q       + ---- - ---- + ------- - 15 Sqrt[q] + 15 q    - 14 q    + 10 q    - 
            5/2    3/2   Sqrt[q]
           q      q
 
       9/2      11/2
>   6 q    + 2 q
In[7]:=
A2Invariant[L][q]
Out[7]=   
     -10   2    3       2      4      6    8      10      12      14    16    18
5 + q    - -- + -- - 2 q  + 4 q  - 2 q  + q  + 2 q   - 2 q   + 3 q   - q   - q
            8    6
           q    q
In[8]:=
HOMFLYPT[Link[11, NonAlternating, 248]][a, z]
Out[8]=   
                                 3      3             5      5           7
   1     a   z    3 z           z    6 z         3   z    4 z       5   z
-(---) + - + -- - --- + 2 a z + -- - ---- + 2 a z  + -- - ---- + a z  - --
  a z    z    5    a             3    a               3    a            a
             a                  a                    a
In[9]:=
Kauffman[Link[11, NonAlternating, 248]][a, z]
Out[9]=   
                                          2    2      2              3      3
     1    a   2 z   6 z            2   3 z    z    2 z     2  2   7 z    2 z
1 - --- - - - --- + --- + 4 a z - z  + ---- + -- - ---- - a  z  + ---- - ---- - 
    a z   z    5     a                   6     4     2              5      3
              a                         a     a     a              a      a
 
        3                       4    4      4                5      5       5
    19 z         3    3  3   3 z    z    3 z       2  4   5 z    7 z    28 z
>   ----- - 9 a z  + a  z  - ---- - -- - ---- + 5 a  z  - ---- + ---- + ----- + 
      a                        6     4     2                5      3      a
                              a     a     a                a      a
 
                              6       6              7      7       7
          5    3  5      6   z    14 z       2  6   z    4 z    11 z
>   15 a z  - a  z  + 9 z  + -- + ----- - 4 a  z  - -- - ---- - ----- - 
                              4     2                5     3      a
                             a     a                a     a
 
                       8       8      9      9
         7      8   3 z    10 z    2 z    2 z
>   8 a z  - 7 z  - ---- - ----- - ---- - ----
                      4      2       3     a
                     a      a       a
In[10]:=
Kh[L][q, t]
Out[10]=   
       2     1       3       1       6       3     6    6        2        4
9 + 8 q  + ----- + ----- + ----- + ----- + ----- + - + ---- + 8 q  t + 7 q  t + 
            8  4    6  3    4  3    4  2    2  2   t    2
           q  t    q  t    q  t    q  t    q  t        q  t
 
       4  2      6  2      6  3      8  3      8  4      10  4      12  5
>   6 q  t  + 8 q  t  + 4 q  t  + 6 q  t  + 2 q  t  + 4 q   t  + 2 q   t


Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11n248
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