K11n165
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![]() (Knotscape image) |
See the full Hoste-Thistlethwaite Table of 11 Crossing Knots. |
Knot presentations
| Planar diagram presentation | X6271 X3,11,4,10 X14,5,15,6 X16,8,17,7 X20,9,21,10 X11,5,12,4 X18,13,19,14 X2,15,3,16 X22,18,1,17 X12,19,13,20 X8,21,9,22 |
| Gauss code | 1, -8, -2, 6, 3, -1, 4, -11, 5, 2, -6, -10, 7, -3, 8, -4, 9, -7, 10, -5, 11, -9 |
| Dowker-Thistlethwaite code | 6 -10 14 16 20 -4 18 2 22 12 8 |
| A Braid Representative | |||||||
| A Morse Link Presentation |
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Three dimensional invariants
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Four dimensional invariants
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Polynomial invariants
| Alexander polynomial | |
| Conway polynomial | |
| 2nd Alexander ideal (db, data sources) | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \left\{2,t^2+t+1\right\}} |
| Determinant and Signature | { 85, 0 } |
| Jones polynomial | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -q^5+4 q^4-8 q^3+12 q^2-14 q+15-13 q^{-1} +10 q^{-2} -6 q^{-3} +2 q^{-4} } |
| HOMFLY-PT polynomial (db, data sources) | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -z^6+a^2 z^4+2 z^4 a^{-2} -2 z^4-a^2 z^2+2 z^2 a^{-2} -z^2 a^{-4} -z^2+a^4-2 a^2+2} |
| Kauffman polynomial (db, data sources) | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 2 a z^9+2 z^9 a^{-1} +3 a^2 z^8+6 z^8 a^{-2} +9 z^8+a^3 z^7+2 a z^7+8 z^7 a^{-1} +7 z^7 a^{-3} -2 a^2 z^6-6 z^6 a^{-2} +4 z^6 a^{-4} -12 z^6+5 a^3 z^5+a z^5-17 z^5 a^{-1} -12 z^5 a^{-3} +z^5 a^{-5} +3 a^4 z^4+5 a^2 z^4-3 z^4 a^{-2} -6 z^4 a^{-4} +5 z^4-7 a^3 z^3-8 a z^3+5 z^3 a^{-1} +5 z^3 a^{-3} -z^3 a^{-5} -3 a^4 z^2-7 a^2 z^2+2 z^2 a^{-2} +2 z^2 a^{-4} -4 z^2+2 a^3 z+3 a z+z a^{-1} +a^4+2 a^2+2} |
| The A2 invariant | Data:K11n165/QuantumInvariant/A2/1,0 |
| The G2 invariant | Data:K11n165/QuantumInvariant/G2/1,0 |
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]:=
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AppendTo[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory`
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Loading KnotTheory` version of August 31, 2006, 11:25:27.5625.
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In[3]:=
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K = Knot["K11n165"];
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In[4]:=
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Alexander[K][t]
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KnotTheory::loading: Loading precomputed data in PD4Knots`.
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Out[4]=
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In[5]:=
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Conway[K][z]
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Out[5]=
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In[6]:=
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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.
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Out[6]=
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Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \left\{2,t^2+t+1\right\}} |
In[7]:=
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{KnotDet[K], KnotSignature[K]}
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Out[7]=
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{ 85, 0 } |
In[8]:=
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Jones[K][q]
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KnotTheory::loading: Loading precomputed data in Jones4Knots`.
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Out[8]=
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Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -q^5+4 q^4-8 q^3+12 q^2-14 q+15-13 q^{-1} +10 q^{-2} -6 q^{-3} +2 q^{-4} } |
In[9]:=
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HOMFLYPT[K][a, z]
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KnotTheory::credits: The HOMFLYPT program was written by Scott Morrison.
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Out[9]=
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Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -z^6+a^2 z^4+2 z^4 a^{-2} -2 z^4-a^2 z^2+2 z^2 a^{-2} -z^2 a^{-4} -z^2+a^4-2 a^2+2} |
In[10]:=
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Kauffman[K][a, z]
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KnotTheory::loading: Loading precomputed data in Kauffman4Knots`.
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Out[10]=
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Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 2 a z^9+2 z^9 a^{-1} +3 a^2 z^8+6 z^8 a^{-2} +9 z^8+a^3 z^7+2 a z^7+8 z^7 a^{-1} +7 z^7 a^{-3} -2 a^2 z^6-6 z^6 a^{-2} +4 z^6 a^{-4} -12 z^6+5 a^3 z^5+a z^5-17 z^5 a^{-1} -12 z^5 a^{-3} +z^5 a^{-5} +3 a^4 z^4+5 a^2 z^4-3 z^4 a^{-2} -6 z^4 a^{-4} +5 z^4-7 a^3 z^3-8 a z^3+5 z^3 a^{-1} +5 z^3 a^{-3} -z^3 a^{-5} -3 a^4 z^2-7 a^2 z^2+2 z^2 a^{-2} +2 z^2 a^{-4} -4 z^2+2 a^3 z+3 a z+z a^{-1} +a^4+2 a^2+2} |
"Similar" Knots (within the Atlas)
Same Alexander/Conway Polynomial: {10_60,}
Same Jones Polynomial (up to mirroring, Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q\leftrightarrow q^{-1}} ): {}
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]:=
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AppendTo[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory`
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Loading KnotTheory` version of May 31, 2006, 14:15:20.091.
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In[3]:=
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K = Knot["K11n165"];
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In[4]:=
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{A = Alexander[K][t], J = Jones[K][q]}
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KnotTheory::loading: Loading precomputed data in PD4Knots`.
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KnotTheory::loading: Loading precomputed data in Jones4Knots`.
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Out[4]=
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{ Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -t^3+7 t^2-20 t+29-20 t^{-1} +7 t^{-2} - t^{-3} } , Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -q^5+4 q^4-8 q^3+12 q^2-14 q+15-13 q^{-1} +10 q^{-2} -6 q^{-3} +2 q^{-4} } } |
In[5]:=
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DeleteCases[Select[AllKnots[], (A === Alexander[#][t]) &], K]
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KnotTheory::loading: Loading precomputed data in DTCode4KnotsTo11`.
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KnotTheory::credits: The GaussCode to PD conversion was written by Siddarth Sankaran at the University of Toronto in the summer of 2005.
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Out[5]=
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{10_60,} |
In[6]:=
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DeleteCases[
Select[
AllKnots[],
(J === Jones[#][q] || (J /. q -> 1/q) === Jones[#][q]) &
],
K
]
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KnotTheory::loading: Loading precomputed data in Jones4Knots11`.
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Out[6]=
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{} |
Vassiliev invariants
| V2 and V3: | (-1, 1) |
| V2,1 through V6,9: |
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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.
Khovanov Homology
| The coefficients of the monomials Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle t^rq^j} are shown, along with their alternating sums (fixed Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle j} , alternation over Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle r} ). The squares with yellow highlighting are those on the "critical diagonals", where Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle j-2r=s+1} or Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle j-2r=s-1} , where Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle s=} 0 is the signature of K11n165. Nonzero entries off the critical diagonals (if any exist) are highlighted in red. |
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| Integral Khovanov Homology
(db, data source) |
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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 Hoste-Thistlethwaite Knot Page master template (intermediate). See/edit the Hoste-Thistlethwaite_Splice_Base (expert). Back to the top. |
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