T(33,2): Difference between revisions
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| {{Torus Knot Page| | {{Torus Knot Page| | ||
| m = 33 | | m = 33 | | ||
Latest revision as of 11:38, 31 August 2005
|  |  | 
|   | See other torus knots | 
| Edit T(33,2) Quick Notes 
 | 
Edit T(33,2) Further Notes and Views
Knot presentations
| Planar diagram presentation | X31,65,32,64 X65,33,66,32 X33,1,34,66 X1,35,2,34 X35,3,36,2 X3,37,4,36 X37,5,38,4 X5,39,6,38 X39,7,40,6 X7,41,8,40 X41,9,42,8 X9,43,10,42 X43,11,44,10 X11,45,12,44 X45,13,46,12 X13,47,14,46 X47,15,48,14 X15,49,16,48 X49,17,50,16 X17,51,18,50 X51,19,52,18 X19,53,20,52 X53,21,54,20 X21,55,22,54 X55,23,56,22 X23,57,24,56 X57,25,58,24 X25,59,26,58 X59,27,60,26 X27,61,28,60 X61,29,62,28 X29,63,30,62 X63,31,64,30 | 
| Gauss code | -4, 5, -6, 7, -8, 9, -10, 11, -12, 13, -14, 15, -16, 17, -18, 19, -20, 21, -22, 23, -24, 25, -26, 27, -28, 29, -30, 31, -32, 33, -1, 2, -3, 4, -5, 6, -7, 8, -9, 10, -11, 12, -13, 14, -15, 16, -17, 18, -19, 20, -21, 22, -23, 24, -25, 26, -27, 28, -29, 30, -31, 32, -33, 1, -2, 3 | 
| Dowker-Thistlethwaite code | 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 | 
| Braid presentation | 
 | 
Polynomial invariants
KnotTheory`, as shown in the (simulated) Mathematica session below. Your input (in red) is realistic; all else should have the same content as in a real mathematica session, but with different formatting. This Mathematica session is also available (albeit only for the knot 5_2) as the notebook PolynomialInvariantsSession.nb.
(The path below may be different on your system, and possibly also the KnotTheory` date)
| In[1]:= | AppendTo[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory` | 
| Loading KnotTheory` version of August 31, 2006, 11:25:27.5625.
 | 
| In[3]:= | K = Knot["T(33,2)"]; | 
| In[4]:= | Alexander[K][t] | 
| KnotTheory::loading: Loading precomputed data in PD4Knots`. | 
| Out[4]= | 
| In[5]:= | Conway[K][z] | 
| Out[5]= | 
| In[6]:= | Alexander[K, 2][t] | 
| KnotTheory::credits: The program Alexander[K, r] to compute Alexander ideals was written by Jana Archibald at the University of Toronto in the summer of 2005. | 
| Out[6]= | 
| In[7]:= | {KnotDet[K], KnotSignature[K]} | 
| Out[7]= | { 33, 32 } | 
| In[8]:= | Jones[K][q] | 
| KnotTheory::loading: Loading precomputed data in Jones4Knots`. | 
| Out[8]= | 
| In[9]:= | HOMFLYPT[K][a, z] | 
| KnotTheory::credits: The HOMFLYPT program was written by Scott Morrison. | 
| Out[9]= | 
| In[10]:= | Kauffman[K][a, z] | 
| KnotTheory::loading: Loading precomputed data in Kauffman4Knots`. | 
| Out[10]= | 
"Similar" Knots (within the Atlas)
Same Alexander/Conway Polynomial: {}
Same Jones Polynomial (up to mirroring, ): {}
KnotTheory`. Your input (in red) is realistic; all else should have the same content as in a real mathematica session, but with different formatting.
(The path below may be different on your system, and possibly also the KnotTheory` date)
| In[1]:= | AppendTo[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory` | 
| Loading KnotTheory` version of May 31, 2006, 14:15:20.091.
 | 
| In[3]:= | K = Knot["T(33,2)"]; | 
| In[4]:= | {A = Alexander[K][t], J = Jones[K][q]} | 
| KnotTheory::loading: Loading precomputed data in PD4Knots`. | 
| KnotTheory::loading: Loading precomputed data in Jones4Knots`. | 
| Out[4]= | { , } | 
| In[5]:= | DeleteCases[Select[AllKnots[], (A === Alexander[#][t]) &], K] | 
| KnotTheory::loading: Loading precomputed data in DTCode4KnotsTo11`. | 
| KnotTheory::credits: The GaussCode to PD conversion was written by Siddarth Sankaran at the University of Toronto in the summer of 2005. | 
| Out[5]= | {} | 
| In[6]:= | DeleteCases[
  Select[
    AllKnots[],
    (J === Jones[#][q] || (J /. q -> 1/q) === Jones[#][q]) &
    ],
  K
  ] | 
| KnotTheory::loading: Loading precomputed data in Jones4Knots11`. | 
| Out[6]= | {} | 
Vassiliev invariants
| V2 and V3: | (136, 1496) | 
| V2,1 through 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 32 is the signature of T(33,2). Nonzero entries off the critical diagonals (if any exist) are highlighted in red. | 
 | 
| 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.
Modifying This Page
| Read me first: Modifying Knot Pages See/edit the Torus Knot Page master template (intermediate). See/edit the Torus Knot_Splice_Base (expert). Back to the top. | 
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