L10n77

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L10n76.gif

L10n76

L10n78.gif

L10n78

L10n77.gif
(Knotscape image)
See the full Thistlethwaite Link Table (up to 11 crossings).

Visit L10n77 at Knotilus!


Link Presentations

[edit Notes on L10n77's Link Presentations]

Planar diagram presentation X6172 X5,14,6,15 X3849 X15,2,16,3 X16,7,17,8 X9,18,10,19 X11,20,12,13 X13,12,14,5 X4,17,1,18 X19,10,20,11
Gauss code {1, 4, -3, -9}, {-2, -1, 5, 3, -6, 10, -7, 8}, {-8, 2, -4, -5, 9, 6, -10, 7}
A Braid Representative {{{braid_table}}}
A Morse Link Presentation L10n77 ML.gif

Polynomial invariants

Multivariable Alexander Polynomial (in [math]\displaystyle{ u }[/math], [math]\displaystyle{ v }[/math], [math]\displaystyle{ w }[/math], ...) [math]\displaystyle{ \frac{u v^3 w^3-1}{\sqrt{u} v^{3/2} w^{3/2}} }[/math] (db)
Jones polynomial [math]\displaystyle{ q^{-12} + q^{-8} + q^{-6} + q^{-4} }[/math] (db)
Signature -8 (db)
HOMFLY-PT polynomial [math]\displaystyle{ a^{12} z^2+a^{12} z^{-2} +3 a^{12}-a^{10} z^6-7 a^{10} z^4-15 a^{10} z^2-2 a^{10} z^{-2} -11 a^{10}+a^8 z^8+8 a^8 z^6+21 a^8 z^4+21 a^8 z^2+a^8 z^{-2} +8 a^8 }[/math] (db)
Kauffman polynomial [math]\displaystyle{ a^{16}+a^{12} z^4-5 a^{12} z^2-a^{12} z^{-2} +5 a^{12}+a^{11} z^7-7 a^{11} z^5+15 a^{11} z^3-11 a^{11} z+2 a^{11} z^{-1} +a^{10} z^8-8 a^{10} z^6+22 a^{10} z^4-26 a^{10} z^2-2 a^{10} z^{-2} +13 a^{10}+a^9 z^7-7 a^9 z^5+15 a^9 z^3-11 a^9 z+2 a^9 z^{-1} +a^8 z^8-8 a^8 z^6+21 a^8 z^4-21 a^8 z^2-a^8 z^{-2} +8 a^8 }[/math] (db)

Khovanov Homology

The coefficients of the monomials [math]\displaystyle{ t^rq^j }[/math] are shown, along with their alternating sums [math]\displaystyle{ \chi }[/math] (fixed [math]\displaystyle{ j }[/math], alternation over [math]\displaystyle{ r }[/math]).   
\ r
  \  
j \
-8-7-6-5-4-3-2-10χ
-7        11
-9        11
-11      1  1
-13    1    1
-15    21   1
-17  1      1
-19  11     0
-2111       0
-2321       1
-251        1
Integral Khovanov Homology

(db, data source)

  
[math]\displaystyle{ \dim{\mathcal G}_{2r+i}\operatorname{KH}^r_{\mathbb Z} }[/math] [math]\displaystyle{ i=-9 }[/math] [math]\displaystyle{ i=-7 }[/math] [math]\displaystyle{ i=-5 }[/math]
[math]\displaystyle{ r=-8 }[/math] [math]\displaystyle{ {\mathbb Z} }[/math] [math]\displaystyle{ {\mathbb Z}^{2} }[/math] [math]\displaystyle{ {\mathbb Z} }[/math]
[math]\displaystyle{ r=-7 }[/math] [math]\displaystyle{ {\mathbb Z} }[/math] [math]\displaystyle{ {\mathbb Z} }[/math]
[math]\displaystyle{ r=-6 }[/math] [math]\displaystyle{ {\mathbb Z}_2 }[/math] [math]\displaystyle{ {\mathbb Z}\oplus{\mathbb Z}_2 }[/math] [math]\displaystyle{ {\mathbb Z} }[/math]
[math]\displaystyle{ r=-5 }[/math] [math]\displaystyle{ {\mathbb Z} }[/math]
[math]\displaystyle{ r=-4 }[/math] [math]\displaystyle{ {\mathbb Z}_2 }[/math] [math]\displaystyle{ {\mathbb Z}^{2} }[/math] [math]\displaystyle{ {\mathbb Z} }[/math]
[math]\displaystyle{ r=-3 }[/math] [math]\displaystyle{ {\mathbb Z} }[/math]
[math]\displaystyle{ r=-2 }[/math] [math]\displaystyle{ {\mathbb Z}_2 }[/math] [math]\displaystyle{ {\mathbb Z} }[/math]
[math]\displaystyle{ r=-1 }[/math]
[math]\displaystyle{ r=0 }[/math] [math]\displaystyle{ {\mathbb Z} }[/math] [math]\displaystyle{ {\mathbb Z} }[/math]

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 Link Page master template (intermediate).

See/edit the Link_Splice_Base (expert).

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L10n76.gif

L10n76

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L10n78