K11a96

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K11a95.gif

K11a95

K11a97.gif

K11a97

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Visit K11a96's page at the original Knot Atlas!

K11a96 Quick Notes


K11a96 Further Notes and Views

Knot presentations

Planar diagram presentation X4251 X10,3,11,4 X12,6,13,5 X18,7,19,8 X14,9,15,10 X2,11,3,12 X22,14,1,13 X8,15,9,16 X20,18,21,17 X6,19,7,20 X16,22,17,21
Gauss code 1, -6, 2, -1, 3, -10, 4, -8, 5, -2, 6, -3, 7, -5, 8, -11, 9, -4, 10, -9, 11, -7
Dowker-Thistlethwaite code 4 10 12 18 14 2 22 8 20 6 16
Conway Notation [2221112]

Four dimensional invariants

Smooth 4 genus Missing
Topological 4 genus Missing
Concordance genus
Rasmussen s-Invariant 0

[edit Notes for K11a96's four dimensional invariants]

Polynomial invariants

Alexander polynomial
Conway polynomial
2nd Alexander ideal (db, data sources)
Determinant and Signature { 121, 0 }
Jones polynomial
HOMFLY-PT polynomial (db, data sources)
Kauffman polynomial (db, data sources)
The A2 invariant Data:K11a96/QuantumInvariant/A2/1,0
The G2 invariant Data:K11a96/QuantumInvariant/G2/1,0

Vassiliev invariants

V2 and V3: (-2, 2)
V2,1 through V6,9:
V2,1 V3,1 V4,1 V4,2 V4,3 V5,1 V5,2 V5,3 V5,4 V6,1 V6,2 V6,3 V6,4 V6,5 V6,6 V6,7 V6,8 V6,9

V2,1 through V6,9 were provided by Petr Dunin-Barkowski <barkovs@itep.ru>, Andrey Smirnov <asmirnov@itep.ru>, and Alexei Sleptsov <sleptsov@itep.ru> and uploaded on October 2010 by User:Drorbn. Note that they are normalized differently than V2 and V3.

Khovanov Homology

The coefficients of the monomials are shown, along with their alternating sums (fixed , alternation over ). The squares with yellow highlighting are those on the "critical diagonals", where or , where 0 is the signature of K11a96. Nonzero entries off the critical diagonals (if any exist) are highlighted in red.   
\ r
  \  
j \
-6-5-4-3-2-1012345χ
11           1-1
9          3 3
7         51 -4
5        83  5
3       95   -4
1      118    3
-1     910     1
-3    710      -3
-5   59       4
-7  27        -5
-9 15         4
-11 2          -2
-131           1
Integral Khovanov Homology

(db, data source)

  

Computer Talk

Much of the above data can be recomputed by Mathematica using the package KnotTheory`. See A Sample KnotTheory` Session.

In[1]:=    
<< KnotTheory`
Loading KnotTheory` (version of August 17, 2005, 14:44:34)...
In[2]:=
Crossings[Knot[11, Alternating, 96]]
Out[2]=  
11
In[3]:=
PD[Knot[11, Alternating, 96]]
Out[3]=  
PD[X[4, 2, 5, 1], X[10, 3, 11, 4], X[12, 6, 13, 5], X[18, 7, 19, 8], 
 X[14, 9, 15, 10], X[2, 11, 3, 12], X[22, 14, 1, 13], X[8, 15, 9, 16], 

X[20, 18, 21, 17], X[6, 19, 7, 20], X[16, 22, 17, 21]]
In[4]:=
GaussCode[Knot[11, Alternating, 96]]
Out[4]=  
GaussCode[1, -6, 2, -1, 3, -10, 4, -8, 5, -2, 6, -3, 7, -5, 8, -11, 9, 
  -4, 10, -9, 11, -7]
In[5]:=
BR[Knot[11, Alternating, 96]]
Out[5]=  
BR[Knot[11, Alternating, 96]]
In[6]:=
alex = Alexander[Knot[11, Alternating, 96]][t]
Out[6]=  
      -3   9    29             2    3

43 - t + -- - -- - 29 t + 9 t - t

           2   t
t
In[7]:=
Conway[Knot[11, Alternating, 96]][z]
Out[7]=  
       2      4    6
1 - 2 z  + 3 z  - z
In[8]:=
Select[AllKnots[], (alex === Alexander[#][t])&]
Out[8]=  
{Knot[11, Alternating, 96]}
In[9]:=
{KnotDet[Knot[11, Alternating, 96]], KnotSignature[Knot[11, Alternating, 96]]}
Out[9]=  
{121, 0}
In[10]:=
J=Jones[Knot[11, Alternating, 96]][q]
Out[10]=  
      -6   3    7    12   16   19              2      3      4    5

20 + q - -- + -- - -- + -- - -- - 17 q + 13 q - 8 q + 4 q - q

           5    4    3    2   q
q q q q
In[11]:=
Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&]
Out[11]=  
{Knot[11, Alternating, 28], Knot[11, Alternating, 87], 
  Knot[11, Alternating, 96]}
In[12]:=
A2Invariant[Knot[11, Alternating, 96]][q]
Out[12]=  
      -20    -18    2     -14    -12    4    3     -6    -4   3

-2 + q + q - --- + q + q - --- + -- - q - q + -- +

                   16                  10    8                2
                  q                   q     q                q

    2      4      8      10      12    14    16
4 q - 3 q + 3 q - 3 q + 2 q + q - q
In[13]:=
Kauffman[Knot[11, Alternating, 96]][a, z]
Out[13]=  
                                                          2      2
     -2      2      4    6      3        5        2   2 z    3 z

-1 - a - 2 a - 2 a - a - 2 a z - 2 a z + 3 z + ---- + ---- +

                                                        4      2
                                                       a      a

                                3      3      3
    2  2      4  2      6  2   z    5 z    8 z         3       3  3
 6 a  z  + 7 a  z  + 3 a  z  - -- + ---- + ---- + 6 a z  + 11 a  z  + 
                                5     3     a
                               a     a

                     4    4                                  5
    5  3      4   6 z    z       2  4      4  4      6  4   z
 7 a  z  + 7 z  - ---- - -- + 2 a  z  - 3 a  z  - 3 a  z  + -- - 
                    4     2                                  5
                   a     a                                  a

     5       5                                             6      6
 11 z    16 z          5       3  5      5  5       6   4 z    7 z
 ----- - ----- - 11 a z  - 15 a  z  - 8 a  z  - 21 z  + ---- - ---- - 
   3       a                                              4      2
  a                                                      a      a

                                 7      7
     2  6      4  6    6  6   7 z    5 z         7      3  7
 17 a  z  - 6 a  z  + a  z  + ---- + ---- - 3 a z  + 2 a  z  + 
                                3     a
                               a

                      8                          9
    5  7       8   7 z       2  8      4  8   4 z         9
 3 a  z  + 12 z  + ---- + 9 a  z  + 4 a  z  + ---- + 7 a z  + 
                     2                         a
                    a

    3  9    10    2  10
3 a z + z + a z
In[14]:=
{Vassiliev[2][Knot[11, Alternating, 96]], Vassiliev[3][Knot[11, Alternating, 96]]}
Out[14]=  
{0, 2}
In[15]:=
Kh[Knot[11, Alternating, 96]][q, t]
Out[15]=  
10            1        2        1       5       2       7       5

-- + 11 q + ------ + ------ + ----- + ----- + ----- + ----- + ----- + q 13 6 11 5 9 5 9 4 7 4 7 3 5 3

           q   t    q   t    q  t    q  t    q  t    q  t    q  t

   9       7      10     9               3        3  2      5  2
 ----- + ----- + ---- + --- + 8 q t + 9 q  t + 5 q  t  + 8 q  t  + 
  5  2    3  2    3     q t
 q  t    q  t    q  t

    5  3      7  3    7  4      9  4    11  5
3 q t + 5 q t + q t + 3 q t + q t