L10a27

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L10a26.gif

L10a26

L10a28.gif

L10a28

L10a27.gif
(Knotscape image)
See the full Thistlethwaite Link Table (up to 11 crossings).

Visit L10a27 at Knotilus!


Link Presentations

[edit Notes on L10a27's Link Presentations]

Planar diagram presentation X6172 X12,4,13,3 X14,8,15,7 X16,10,17,9 X8,16,9,15 X20,18,5,17 X18,11,19,12 X10,19,11,20 X2536 X4,14,1,13
Gauss code {1, -9, 2, -10}, {9, -1, 3, -5, 4, -8, 7, -2, 10, -3, 5, -4, 6, -7, 8, -6}
A Braid Representative {{{braid_table}}}
A Morse Link Presentation L10a27 ML.gif

Polynomial invariants

Multivariable Alexander Polynomial (in [math]\displaystyle{ u }[/math], [math]\displaystyle{ v }[/math], [math]\displaystyle{ w }[/math], ...) [math]\displaystyle{ \frac{(t(1)-1) (t(2)-1) \left(t(2)^4-2 t(2)^3+t(2)^2-2 t(2)+1\right)}{\sqrt{t(1)} t(2)^{5/2}} }[/math] (db)
Jones polynomial [math]\displaystyle{ -q^{15/2}+3 q^{13/2}-5 q^{11/2}+7 q^{9/2}-9 q^{7/2}+9 q^{5/2}-8 q^{3/2}+6 \sqrt{q}-\frac{5}{\sqrt{q}}+\frac{2}{q^{3/2}}-\frac{1}{q^{5/2}} }[/math] (db)
Signature 3 (db)
HOMFLY-PT polynomial [math]\displaystyle{ -z^5 a^{-5} -3 z^3 a^{-5} -2 z a^{-5} - a^{-5} z^{-1} +z^7 a^{-3} +5 z^5 a^{-3} +9 z^3 a^{-3} +8 z a^{-3} +3 a^{-3} z^{-1} -2 z^5 a^{-1} +a z^3-8 z^3 a^{-1} +3 a z-9 z a^{-1} +2 a z^{-1} -4 a^{-1} z^{-1} }[/math] (db)
Kauffman polynomial [math]\displaystyle{ z^3 a^{-9} +3 z^4 a^{-8} -z^2 a^{-8} +5 z^5 a^{-7} -4 z^3 a^{-7} +z a^{-7} +6 z^6 a^{-6} -7 z^4 a^{-6} +2 z^2 a^{-6} - a^{-6} +6 z^7 a^{-5} -10 z^5 a^{-5} +3 z^3 a^{-5} -2 z a^{-5} + a^{-5} z^{-1} +4 z^8 a^{-4} -5 z^6 a^{-4} -8 z^4 a^{-4} +10 z^2 a^{-4} -3 a^{-4} +z^9 a^{-3} +7 z^7 a^{-3} -32 z^5 a^{-3} +34 z^3 a^{-3} -15 z a^{-3} +3 a^{-3} z^{-1} +6 z^8 a^{-2} -19 z^6 a^{-2} +10 z^4 a^{-2} +7 z^2 a^{-2} -3 a^{-2} +z^9 a^{-1} +a z^7+2 z^7 a^{-1} -5 a z^5-22 z^5 a^{-1} +9 a z^3+35 z^3 a^{-1} -7 a z-19 z a^{-1} +2 a z^{-1} +4 a^{-1} z^{-1} +2 z^8-8 z^6+8 z^4-2 }[/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 \
-4-3-2-10123456χ
16          11
14         2 -2
12        31 2
10       42  -2
8      53   2
6     44    0
4    45     -1
2   46      2
0  12       -1
-2 14        3
-4 1         -1
-61          1
Integral Khovanov Homology

(db, data source)

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

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See/edit the Link Page master template (intermediate).

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L10a26.gif

L10a26

L10a28.gif

L10a28