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		Revision as of 04:51, 22 May 2009
http://www.textmonracboc.com 
Knot presentations
| Planar diagram presentation
 | 
X1627 X7,18,8,19 X3948 X17,3,18,2 X5,15,6,14 X9,17,10,16 X15,11,16,10 X11,5,12,4 X13,20,14,1 X19,12,20,13
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| Gauss code
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-1, 4, -3, 8, -5, 1, -2, 3, -6, 7, -8, 10, -9, 5, -7, 6, -4, 2, -10, 9
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| Dowker-Thistlethwaite code
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6 8 14 18 16 4 20 10 2 12
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| Conway Notation
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[8*2:.20]
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| Minimum Braid Representative
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A Morse Link Presentation
 | 
An Arc Presentation
 | 
 Length is 11, width is 4,
Braid index is 4
 
 | 
 
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  [{12, 3}, {1, 5}, {6, 4}, {5, 2}, {3, 7}, {11, 6}, {8, 12}, {7, 9}, {2, 8}, {4, 10}, {9, 11}, {10, 1}]
 | 
[edit Notes on presentations of 10 119]
Computer Talk
The above data is available with the 
Mathematica package 
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[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory`
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In[3]:=
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K = Knot["10 119"];
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| 
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KnotTheory::loading: Loading precomputed data in PD4Knots`.
 | 
Out[4]=
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X1627 X7,18,8,19 X3948 X17,3,18,2 X5,15,6,14 X9,17,10,16 X15,11,16,10 X11,5,12,4 X13,20,14,1 X19,12,20,13
 | 
Out[5]=
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-1, 4, -3, 8, -5, 1, -2, 3, -6, 7, -8, 10, -9, 5, -7, 6, -4, 2, -10, 9
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Out[6]=
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6 8 14 18 16 4 20 10 2 12
 | 
(The path below may be different on your system)
In[7]:=
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AppendTo[$Path, "C:/bin/LinKnot/"];
 | 
In[8]:=
 | 
ConwayNotation[K]
 | 
| 
 | 
KnotTheory::credits: The minimum braids representing the knots with up to 10 crossings were provided by Thomas Gittings. See arXiv:math.GT/0401051.
 | 
Out[9]=
 | 
 
 | 
In[10]:=
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{First[br], Crossings[br], BraidIndex[K]}
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| 
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KnotTheory::loading: Loading precomputed data in IndianaData`.
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In[11]:=
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Show[BraidPlot[br]]
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In[12]:=
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Show[DrawMorseLink[K]]
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| 
 | 
KnotTheory::credits: "MorseLink was added to KnotTheory` by Siddarth Sankaran at the University of Toronto in the summer of 2005."
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| 
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KnotTheory::credits: "DrawMorseLink was written by Siddarth Sankaran at the University of Toronto in the summer of 2005."
 | 
In[13]:=
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ap = ArcPresentation[K]
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Out[13]=
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ArcPresentation[{12, 3}, {1, 5}, {6, 4}, {5, 2}, {3, 7}, {11, 6}, {8, 12}, {7, 9}, {2, 8}, {4, 10}, {9, 11}, {10, 1}]
 | 
 
 
Four dimensional invariants
 
 
Polynomial invariants
| Alexander polynomial | 
  | 
| Conway polynomial | 
  | 
| 2nd Alexander ideal  (db, data sources) | 
  | 
| Determinant and Signature | 
{ 101, 0 } | 
| Jones polynomial | 
  | 
| HOMFLY-PT polynomial (db, data sources) | 
  | 
| Kauffman polynomial (db, data sources) | 
  | 
| The A2 invariant | 
  | 
| The G2 invariant | 
  | 
Further Quantum Invariants
Further quantum knot invariants for 10_119.
A1 Invariants.
| Weight
 | 
Invariant
 | 
| 1
 | 
 
 | 
| 2
 | 
 
 | 
| 3
 | 
 
 | 
A2 Invariants.
| Weight
 | 
Invariant
 | 
| 1,0
 | 
 
 | 
| 1,1
 | 
 
 | 
| 2,0
 | 
 
 | 
A3 Invariants.
| Weight
 | 
Invariant
 | 
| 0,1,0
 | 
 
 | 
| 1,0,0
 | 
 
 | 
A4 Invariants.
| Weight
 | 
Invariant
 | 
| 0,1,0,0
 | 
 
 | 
| 1,0,0,0
 | 
 
 | 
B2 Invariants.
| Weight
 | 
Invariant
 | 
| 0,1
 | 
 
 | 
| 1,0
 | 
 
 | 
D4 Invariants.
| Weight
 | 
Invariant
 | 
| 1,0,0,0
 | 
 
 | 
G2 Invariants.
| Weight
 | 
Invariant
 | 
| 1,0
 | 
 
 | 
.
  
Computer Talk
The above data is available with the 
Mathematica package 
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`
 | 
In[3]:=
 | 
K = Knot["10 119"];
 | 
| 
 | 
KnotTheory::loading: Loading precomputed data in PD4Knots`.
 | 
Out[4]=
 | 
 
 | 
Out[5]=
 | 
 
 | 
In[6]:=
 | 
Alexander[K, 2][t]
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| 
 | 
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]:=
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{KnotDet[K], KnotSignature[K]}
 | 
| 
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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]
 | 
| 
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KnotTheory::loading: Loading precomputed data in Kauffman4Knots`.
 | 
Out[10]=
 | 
 
 | 
 
"Similar" Knots (within the Atlas)
Same Alexander/Conway Polynomial:
{K11a84,}
Same Jones Polynomial (up to mirroring, 
): 
{}
Computer Talk
The above data is available with the 
Mathematica package 
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`
 | 
In[3]:=
 | 
K = Knot["10 119"];
 | 
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.
 | 
In[6]:=
 | 
DeleteCases[
  Select[
    AllKnots[],
    (J === Jones[#][q] || (J /. q -> 1/q) === Jones[#][q]) &
    ],
  K
  ]
 | 
| 
 | 
KnotTheory::loading: Loading precomputed data in Jones4Knots11`.
 | 
 
| 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
 |  
 
 | 
 
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 | 
 
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 | 
 
 | 
 
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 | 
 
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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.
 
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 10 119. Nonzero entries off the critical diagonals (if any exist) are highlighted in red.
 | 
  
 | 
 | 
-4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | χ |  
| 13 |   |   |   |   |   |   |   |   |   |   | 1 | 1 |  
| 11 |   |   |   |   |   |   |   |   |   | 3 |   | -3 |  
| 9 |   |   |   |   |   |   |   |   | 5 | 1 |   | 4 |  
| 7 |   |   |   |   |   |   |   | 7 | 3 |   |   | -4 |  
| 5 |   |   |   |   |   |   | 9 | 5 |   |   |   | 4 |  
| 3 |   |   |   |   |   | 8 | 7 |   |   |   |   | -1 |  
| 1 |   |   |   |   | 8 | 9 |   |   |   |   |   | -1 |  
| -1 |   |   |   | 6 | 9 |   |   |   |   |   |   | 3 |  
| -3 |   |   | 3 | 7 |   |   |   |   |   |   |   | -4 |  
| -5 |   | 1 | 6 |   |   |   |   |   |   |   |   | 5 |  
| -7 |   | 3 |   |   |   |   |   |   |   |   |   | -3 |  
| -9 | 1 |   |   |   |   |   |   |   |   |   |   | 1 |  
 
 | 
 
The Coloured Jones Polynomials