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L11a408

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Acknowledgement

L11a408 as Morse Link
DrawMorseLink

PD Presentation: X6172 X12,3,13,4 X18,10,19,9 X14,8,15,7 X20,17,21,18 X16,21,17,22 X22,14,11,13 X10,16,5,15 X8,20,9,19 X2536 X4,11,1,12

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

Jones Polynomial: q-6 - 3q-5 + 7q-4 - 12q-3 + 17q-2 - 19q-1 + 21 - 17q + 14q2 - 8q3 + 4q4 - q5

A2 (sl(3)) Invariant: q-20 + q-18 - 2q-16 + q-14 + q-12 - 4q-10 + 4q-8 + q-6 + 2q-4 + 7q-2 + 2 + 8q2 + 2q6 + 4q8 - 3q10 + 2q12 + q14 - q16

HOMFLY-PT Polynomial: - a-4z2 + a-2z-2 + 2a-2 + 2a-2z2 + 2a-2z4 - 2z-2 - 4 - 5z2 - 2z4 - z6 + a2z-2 + 3a2 + 4a2z2 + 3a2z4 - 2a4 - 3a4z2 + a6

Kauffman Polynomial: - a-5z3 + a-5z5 + 3a-4z2 - 6a-4z4 + 4a-4z6 + 4a-3z3 - 10a-3z5 + 7a-3z7 + a-2z-2 - 4a-2 + 6a-2z2 - 5a-2z4 - 5a-2z6 + 7a-2z8 - 2a-1z-1 + 4a-1z + 8a-1z3 - 20a-1z5 + 7a-1z7 + 4a-1z9 + 2z-2 - 6 + 7z2 + 5z4 - 22z6 + 13z8 + z10 - 2az-1 + 14az3 - 20az5 + 7az9 + a2z-2 - 3a2 + 6a2z2 + 5a2z4 - 20a2z6 + 10a2z8 + a2z10 - 6a3z + 18a3z3 - 19a3z5 + 3a3z7 + 3a3z9 - a4 + 5a4z2 - 2a4z4 - 6a4z6 + 4a4z8 - 2a5z + 7a5z3 - 8a5z5 + 3a5z7 - a6 + 3a6z2 - 3a6z4 + a6z6

Khovanov Homology:
trqj r = -6r = -5r = -4r = -3r = -2r = -1r = 0r = 1r = 2r = 3r = 4r = 5
j = 11           1
j = 9          3 
j = 7         51 
j = 5        93  
j = 3       107   
j = 1      117    
j = -1     911     
j = -3    810      
j = -5   49       
j = -7  38        
j = -9 15         
j = -11 2          
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, 408]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[11, Alternating, 408]]
Out[4]=   
PD[X[6, 1, 7, 2], X[12, 3, 13, 4], X[18, 10, 19, 9], X[14, 8, 15, 7], 
 
>   X[20, 17, 21, 18], X[16, 21, 17, 22], X[22, 14, 11, 13], X[10, 16, 5, 15], 
 
>   X[8, 20, 9, 19], X[2, 5, 3, 6], X[4, 11, 1, 12]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -10, 2, -11}, {10, -1, 4, -9, 3, -8}, 
 
>   {11, -2, 7, -4, 8, -6, 5, -3, 9, -5, 6, -7}]
In[6]:=
Jones[L][q]
Out[6]=   
      -6   3    7    12   17   19              2      3      4    5
21 + q   - -- + -- - -- + -- - -- - 17 q + 14 q  - 8 q  + 4 q  - q
            5    4    3    2   q
           q    q    q    q
In[7]:=
A2Invariant[L][q]
Out[7]=   
     -20    -18    2     -14    -12    4    4     -6   2    7       2      6
2 + q    + q    - --- + q    + q    - --- + -- + q   + -- + -- + 8 q  + 2 q  + 
                   16                  10    8          4    2
                  q                   q     q          q    q
 
       8      10      12    14    16
>   4 q  - 3 q   + 2 q   + q   - q
In[8]:=
HOMFLYPT[Link[11, Alternating, 408]][a, z]
Out[8]=   
                                           2           2      2
     2       2      4    6   2      1     a       2   z    2 z       2  2
-4 + -- + 3 a  - 2 a  + a  - -- + ----- + -- - 5 z  - -- + ---- + 4 a  z  - 
      2                       2    2  2    2           4     2
     a                       z    a  z    z           a     a
 
                        4
       4  2      4   2 z       2  4    6
>   3 a  z  - 2 z  + ---- + 3 a  z  - z
                       2
                      a
In[9]:=
Kauffman[Link[11, Alternating, 408]][a, z]
Out[9]=   
                                         2
     4       2    4    6   2      1     a     2    2 a   4 z      3
-6 - -- - 3 a  - a  - a  + -- + ----- + -- - --- - --- + --- - 6 a  z - 
      2                     2    2  2    2   a z    z     a
     a                     z    a  z    z
 
                       2      2                                  3      3
       5        2   3 z    6 z       2  2      4  2      6  2   z    4 z
>   2 a  z + 7 z  + ---- + ---- + 6 a  z  + 5 a  z  + 3 a  z  - -- + ---- + 
                      4      2                                   5     3
                     a      a                                   a     a
 
       3                                            4      4
    8 z          3       3  3      5  3      4   6 z    5 z       2  4
>   ---- + 14 a z  + 18 a  z  + 7 a  z  + 5 z  - ---- - ---- + 5 a  z  - 
     a                                             4      2
                                                  a      a
 
                         5       5       5
       4  4      6  4   z    10 z    20 z          5       3  5      5  5
>   2 a  z  - 3 a  z  + -- - ----- - ----- - 20 a z  - 19 a  z  - 8 a  z  - 
                         5     3       a
                        a     a
 
               6      6                                   7      7
        6   4 z    5 z        2  6      4  6    6  6   7 z    7 z       3  7
>   22 z  + ---- - ---- - 20 a  z  - 6 a  z  + a  z  + ---- + ---- + 3 a  z  + 
              4      2                                   3     a
             a      a                                   a
 
                         8                           9
       5  7       8   7 z        2  8      4  8   4 z         9      3  9
>   3 a  z  + 13 z  + ---- + 10 a  z  + 4 a  z  + ---- + 7 a z  + 3 a  z  + 
                        2                          a
                       a
 
     10    2  10
>   z   + a  z
In[10]:=
Kh[L][q, t]
Out[10]=   
11            1        2        1       5       3       8       4       9
-- + 11 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
 
      8      10     9                3        3  2      5  2      5  3
>   ----- + ---- + --- + 7 q t + 10 q  t + 7 q  t  + 9 q  t  + 3 q  t  + 
     3  2    3     q t
    q  t    q  t
 
       7  3    7  4      9  4    11  5
>   5 q  t  + q  t  + 3 q  t  + q   t


Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11a408
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