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L10a151

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Acknowledgement

L10a151 as Morse Link
DrawMorseLink

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

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

Jones Polynomial: - q-5 + 3q-4 - 6q-3 + 11q-2 - 12q-1 + 14 - 12q + 11q2 - 6q3 + 3q4 - q5

A2 (sl(3)) Invariant: - q-16 + q-12 - 2q-10 + 4q-8 + 3q-6 + 2q-4 + 6q-2 + 1 + 6q2 + 2q4 + 3q6 + 4q8 - 2q10 + q12 - q16

HOMFLY-PT Polynomial: - a-4 - a-4z2 + a-2z-2 + 4a-2 + 4a-2z2 + 2a-2z4 - 2z-2 - 6 - 6z2 - 3z4 - z6 + a2z-2 + 4a2 + 4a2z2 + 2a2z4 - a4 - a4z2

Kauffman Polynomial: a-5z - 2a-5z3 + a-5z5 - 2a-4 + 5a-4z2 - 6a-4z4 + 3a-4z6 + 3a-3z - 2a-3z3 - 4a-3z5 + 4a-3z7 + a-2z-2 - 8a-2 + 18a-2z2 - 18a-2z4 + 4a-2z6 + 3a-2z8 - 2a-1z-1 + 4a-1z + 2a-1z3 - 15a-1z5 + 9a-1z7 + a-1z9 + 2z-2 - 11 + 26z2 - 24z4 + 2z6 + 6z8 - 2az-1 + 4az + 2az3 - 15az5 + 9az7 + az9 + a2z-2 - 8a2 + 18a2z2 - 18a2z4 + 4a2z6 + 3a2z8 + 3a3z - 2a3z3 - 4a3z5 + 4a3z7 - 2a4 + 5a4z2 - 6a4z4 + 3a4z6 + a5z - 2a5z3 + a5z5

Khovanov Homology:
trqj r = -5r = -4r = -3r = -2r = -1r = 0r = 1r = 2r = 3r = 4r = 5
j = 11          1
j = 9         2 
j = 7        41 
j = 5       72  
j = 3      54   
j = 1     97    
j = -1    79     
j = -3   45      
j = -5  27       
j = -7 14        
j = -9 2         
j = -111          


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[10, Alternating, 151]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[10, Alternating, 151]]
Out[4]=   
PD[X[6, 1, 7, 2], X[10, 4, 11, 3], X[14, 8, 5, 7], X[18, 14, 19, 13], 
 
>   X[16, 9, 17, 10], X[8, 15, 9, 16], X[20, 17, 15, 18], X[12, 20, 13, 19], 
 
>   X[2, 5, 3, 6], X[4, 12, 1, 11]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -9, 2, -10}, {6, -5, 7, -4, 8, -7}, 
 
>   {9, -1, 3, -6, 5, -2, 10, -8, 4, -3}]
In[6]:=
Jones[L][q]
Out[6]=   
      -5   3    6    11   12              2      3      4    5
14 - q   + -- - -- + -- - -- - 12 q + 11 q  - 6 q  + 3 q  - q
            4    3    2   q
           q    q    q
In[7]:=
A2Invariant[L][q]
Out[7]=   
     -16    -12    2    4    3    2    6       2      4      6      8      10
1 - q    + q    - --- + -- + -- + -- + -- + 6 q  + 2 q  + 3 q  + 4 q  - 2 q   + 
                   10    8    6    4    2
                  q     q    q    q    q
 
     12    16
>   q   - q
In[8]:=
HOMFLYPT[Link[10, Alternating, 151]][a, z]
Out[8]=   
                                          2           2      2
      -4   4       2    4   2      1     a       2   z    4 z       2  2
-6 - a   + -- + 4 a  - a  - -- + ----- + -- - 6 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
>   a  z  - 3 z  + ---- + 2 a  z  - z
                     2
                    a
In[9]:=
Kauffman[Link[10, Alternating, 151]][a, z]
Out[9]=   
                                            2
      2    8       2      4   2      1     a     2    2 a   z    3 z   4 z
-11 - -- - -- - 8 a  - 2 a  + -- + ----- + -- - --- - --- + -- + --- + --- + 
       4    2                  2    2  2    2   a z    z     5    3     a
      a    a                  z    a  z    z                a    a
 
                                       2       2                           3
               3      5         2   5 z    18 z        2  2      4  2   2 z
>   4 a z + 3 a  z + a  z + 26 z  + ---- + ----- + 18 a  z  + 5 a  z  - ---- - 
                                      4      2                            5
                                     a      a                            a
 
       3      3                                           4       4
    2 z    2 z         3      3  3      5  3       4   6 z    18 z
>   ---- + ---- + 2 a z  - 2 a  z  - 2 a  z  - 24 z  - ---- - ----- - 
      3     a                                            4      2
     a                                                  a      a
 
                          5      5       5
        2  4      4  4   z    4 z    15 z          5      3  5    5  5      6
>   18 a  z  - 6 a  z  + -- - ---- - ----- - 15 a z  - 4 a  z  + a  z  + 2 z  + 
                          5     3      a
                         a     a
 
       6      6                          7      7
    3 z    4 z       2  6      4  6   4 z    9 z         7      3  7      8
>   ---- + ---- + 4 a  z  + 3 a  z  + ---- + ---- + 9 a z  + 4 a  z  + 6 z  + 
      4      2                          3     a
     a      a                          a
 
       8              9
    3 z       2  8   z       9
>   ---- + 3 a  z  + -- + a z
      2              a
     a
In[10]:=
Kh[L][q, t]
Out[10]=   
9           1        2       1       4       2       7       4      5      7
- + 9 q + ------ + ----- + ----- + ----- + ----- + ----- + ----- + ---- + --- + 
q          11  5    9  4    7  4    7  3    5  3    5  2    3  2    3     q t
          q   t    q  t    q  t    q  t    q  t    q  t    q  t    q  t
 
               3        3  2      5  2      5  3      7  3    7  4      9  4
>   7 q t + 5 q  t + 4 q  t  + 7 q  t  + 2 q  t  + 4 q  t  + q  t  + 2 q  t  + 
 
     11  5
>   q   t


Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L10a151
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