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L10a17

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Acknowledgement

L10a17 as Morse Link
DrawMorseLink

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

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

Jones Polynomial: - q-1/2 + 2q1/2 - 6q3/2 + 9q5/2 - 13q7/2 + 13q9/2 - 13q11/2 + 11q13/2 - 7q15/2 + 4q17/2 - q19/2

A2 (sl(3)) Invariant: q-2 + q2 + 4q4 - q6 + 4q8 + 2q10 + 3q14 - 2q16 + 2q18 - 2q20 - 2q22 + q24 - 3q26 + q30

HOMFLY-PT Polynomial: - a-9z + a-7z-1 + 4a-7z + 3a-7z3 - 2a-5z-1 - 5a-5z - 5a-5z3 - 2a-5z5 - a-3z3 - a-3z5 + a-1z-1 + 2a-1z + a-1z3

Kauffman Polynomial: a-11z3 - a-11z5 - 3a-10z2 + 7a-10z4 - 4a-10z6 + 2a-9z - 4a-9z3 + 10a-9z5 - 6a-9z7 + 2a-8 - 12a-8z2 + 17a-8z4 - 2a-8z6 - 4a-8z8 - a-7z-1 + 8a-7z - 23a-7z3 + 29a-7z5 - 12a-7z7 - a-7z9 + 5a-6 - 14a-6z2 + 10a-6z4 + 5a-6z6 - 7a-6z8 - 2a-5z-1 + 9a-5z - 21a-5z3 + 22a-5z5 - 9a-5z7 - a-5z9 + 3a-4 - 5a-4z2 + 3a-4z4 + a-4z6 - 3a-4z8 + 3a-3z5 - 3a-3z7 - a-2 + 3a-2z4 - 2a-2z6 + a-1z-1 - 3a-1z + 3a-1z3 - a-1z5

Khovanov Homology:
trqj r = -2r = -1r = 0r = 1r = 2r = 3r = 4r = 5r = 6r = 7r = 8
j = 20          1
j = 18         3 
j = 16        41 
j = 14       73  
j = 12      64   
j = 10     77    
j = 8    66     
j = 6   37      
j = 4  36       
j = 2 15        
j = 0 1         
j = -21          


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, 17]]]
Out[3]=   
 -Graphics- 
In[4]:=
PD[L = Link[10, Alternating, 17]]
Out[4]=   
PD[X[6, 1, 7, 2], X[10, 4, 11, 3], X[16, 8, 17, 7], X[20, 18, 5, 17], 
 
>   X[18, 14, 19, 13], X[14, 20, 15, 19], X[12, 10, 13, 9], X[8, 16, 9, 15], 
 
>   X[2, 5, 3, 6], X[4, 12, 1, 11]]
In[5]:=
GaussCode[L]
Out[5]=   
GaussCode[{1, -9, 2, -10}, {9, -1, 3, -8, 7, -2, 10, -7, 5, -6, 8, -3, 4, -5, 
 
>    6, -4}]
In[6]:=
Jones[L][q]
Out[6]=   
     1                      3/2      5/2       7/2       9/2       11/2
-(-------) + 2 Sqrt[q] - 6 q    + 9 q    - 13 q    + 13 q    - 13 q     + 
  Sqrt[q]
 
        13/2      15/2      17/2    19/2
>   11 q     - 7 q     + 4 q     - q
In[7]:=
A2Invariant[L][q]
Out[7]=   
 -2    2      4    6      8      10      14      16      18      20      22
q   + q  + 4 q  - q  + 4 q  + 2 q   + 3 q   - 2 q   + 2 q   - 2 q   - 2 q   + 
 
     24      26    30
>   q   - 3 q   + q
In[8]:=
HOMFLYPT[Link[10, Alternating, 17]][a, z]
Out[8]=   
                                              3      3    3    3      5    5
 1      2      1    z    4 z   5 z   2 z   3 z    5 z    z    z    2 z    z
---- - ---- + --- - -- + --- - --- + --- + ---- - ---- - -- + -- - ---- - --
 7      5     a z    9    7     5     a      7      5     3   a      5     3
a  z   a  z         a    a     a            a      a     a          a     a
In[9]:=
Kauffman[Link[10, Alternating, 17]][a, z]
Out[9]=   
                                                                    2       2
2    5    3     -2    1      2      1    2 z   8 z   9 z   3 z   3 z    12 z
-- + -- + -- - a   - ---- - ---- + --- + --- + --- + --- - --- - ---- - ----- - 
 8    6    4          7      5     a z    9     7     5     a     10      8
a    a    a          a  z   a  z         a     a     a           a       a
 
        2      2    3       3       3       3      3      4       4       4
    14 z    5 z    z     4 z    23 z    21 z    3 z    7 z    17 z    10 z
>   ----- - ---- + --- - ---- - ----- - ----- + ---- + ---- + ----- + ----- + 
      6       4     11     9      7       5      a      10      8       6
     a       a     a      a      a       a             a       a       a
 
       4      4    5        5       5       5      5    5      6      6
    3 z    3 z    z     10 z    29 z    22 z    3 z    z    4 z    2 z
>   ---- + ---- - --- + ----- + ----- + ----- + ---- - -- - ---- - ---- + 
      4      2     11     9       7       5       3    a     10      8
     a      a     a      a       a       a       a          a       a
 
       6    6      6      7       7      7      7      8      8      8    9    9
    5 z    z    2 z    6 z    12 z    9 z    3 z    4 z    7 z    3 z    z    z
>   ---- + -- - ---- - ---- - ----- - ---- - ---- - ---- - ---- - ---- - -- - --
      6     4     2      9      7       5      3      8      6      4     7    5
     a     a     a      a      a       a      a      a      a      a     a    a
In[10]:=
Kh[L][q, t]
Out[10]=   
                           2
   2      4     1     1   q       4        6        6  2      8  2      8  3
5 q  + 3 q  + ----- + - + -- + 6 q  t + 3 q  t + 7 q  t  + 6 q  t  + 6 q  t  + 
               2  2   t   t
              q  t
 
       10  3      10  4      12  4      12  5      14  5      14  6
>   7 q   t  + 7 q   t  + 6 q   t  + 4 q   t  + 7 q   t  + 3 q   t  + 
 
       16  6    16  7      18  7    20  8
>   4 q   t  + q   t  + 3 q   t  + q   t


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