L11n436

L11n435

L11n437

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	Brunnian link

Link Presentations

[edit Notes on L11n436's Link Presentations]

Planar diagram presentation	X8192 X18,8,19,7 X5,16,6,17 X15,10,16,11 X3,15,4,14 X11,5,12,4 X2,20,3,19 X20,9,21,10 X13,7,14,12 X17,22,18,13 X6,21,1,22
Gauss code	{1, -7, -5, 6, -3, -11}, {2, -1, 8, 4, -6, 9}, {-9, 5, -4, 3, -10, -2, 7, -8, 11, 10}

A Braid Representative
A Morse Link Presentation

Polynomial invariants

Multivariable Alexander Polynomial (in $u$, $v$, $w$, ...)	$\frac{(u-1) (v-1) (w-1) (w+1)^2}{\sqrt{u} \sqrt{v} w^{3/2}}$ (db)
Jones polynomial	$-q^4+2 q^3-q^2+2 q+1+ q^{-2} - q^{-3} +2 q^{-4} - q^{-5}$ (db)
Signature	-1 (db)
HOMFLY-PT polynomial	$-a^4 z^2-z^4 a^{-2} -a^2 z^2-3 z^2 a^{-2} +a^2 z^{-2} + a^{-2} z^{-2} +z^6+5 z^4+5 z^2-2 z^{-2}$ (db)
Kauffman polynomial	$a^5 z^5-3 a^5 z^3+2 a^4 z^6-8 a^4 z^4+4 a^4 z^2+a^3 z^7+z^7 a^{-3} -5 a^3 z^5-5 z^5 a^{-3} +4 a^3 z^3+5 z^3 a^{-3} +a^2 z^8+2 z^8 a^{-2} -6 a^2 z^6-12 z^6 a^{-2} +8 a^2 z^4+20 z^4 a^{-2} -4 a^2 z^2-12 z^2 a^{-2} +a^2 z^{-2} + a^{-2} z^{-2} +a z^9+z^9 a^{-1} -5 a z^7-5 z^7 a^{-1} +2 a z^5+3 z^5 a^{-1} +6 a z^3+4 z^3 a^{-1} -2 a z^{-1} -2 a^{-1} z^{-1} +3 z^8-20 z^6+36 z^4-20 z^2+2 z^{-2} +1$ (db)

Khovanov Homology

The coefficients of the monomials $t^rq^j$ are shown, along with their alternating sums $\chi$ (fixed $j$, alternation over $r$).

\   r    \    j   \ -5 -4 -3 -2 -1 0 1 2 3 4 5 χ 9                     1 -1 7                   1   1 5               1 1 1   1 3               2 1     1 1           4 2 1       3 -1         2 5 2         1 -3       1 2 2           1 -5     1 2 1             0 -7   1 1 1               1 -9   1                   1 -11 1                     -1

Integral Khovanov Homology (db, data source)

$\dim{\mathcal G}_{2r+i}\operatorname{KH}^r_{\mathbb Z}$ $i=-3$ $i=-1$ $i=1$ $r=-5$ ${\mathbb Z}$ $r=-4$ ${\mathbb Z}\oplus{\mathbb Z}_2$ ${\mathbb Z}$ $r=-3$ ${\mathbb Z}\oplus{\mathbb Z}_2$ ${\mathbb Z}$ $r=-2$ ${\mathbb Z}$ ${\mathbb Z}^{2}\oplus{\mathbb Z}_2$ ${\mathbb Z}$ $r=-1$ ${\mathbb Z}\oplus{\mathbb Z}_2$ ${\mathbb Z}^{2}\oplus{\mathbb Z}_2^{2}$ ${\mathbb Z}^{2}$ $r=0$ ${\mathbb Z}^{2}\oplus{\mathbb Z}_2$ ${\mathbb Z}^{5}\oplus{\mathbb Z}_2$ ${\mathbb Z}^{4}$ $r=1$ ${\mathbb Z}^{2}\oplus{\mathbb Z}_2$ ${\mathbb Z}^{2}$ $r=2$ ${\mathbb Z}\oplus{\mathbb Z}_2^{2}$ ${\mathbb Z}^{2}\oplus{\mathbb Z}_2$ ${\mathbb Z}$ $r=3$ ${\mathbb Z}\oplus{\mathbb Z}_2$ ${\mathbb Z}$ $r=4$ ${\mathbb Z}\oplus{\mathbb Z}_2$ ${\mathbb Z}$ $r=5$ ${\mathbb Z}_2$ ${\mathbb Z}$

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). Back to the top.

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