L10a4

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L10a5

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Link Presentations

[edit Notes on L10a4's Link Presentations]

Planar diagram presentation	X6172 X14,7,15,8 X4,15,1,16 X12,6,13,5 X8493 X16,10,17,9 X20,18,5,17 X18,11,19,12 X10,19,11,20 X2,14,3,13
Gauss code	{1, -10, 5, -3}, {4, -1, 2, -5, 6, -9, 8, -4, 10, -2, 3, -6, 7, -8, 9, -7}

A Braid Representative
A Morse Link Presentation

Polynomial invariants

Multivariable Alexander Polynomial (in $u$, $v$, $w$, ...)	$-\frac{(u-1) (v-1) \left(v^4-3 v^3+3 v^2-3 v+1\right)}{\sqrt{u} v^{5/2}}$ (db)
Jones polynomial	$q^{11/2}-4 q^{9/2}+7 q^{7/2}-11 q^{5/2}+14 q^{3/2}-15 \sqrt{q}+\frac{13}{\sqrt{q}}-\frac{11}{q^{3/2}}+\frac{7}{q^{5/2}}-\frac{4}{q^{7/2}}+\frac{1}{q^{9/2}}$ (db)
Signature	1 (db)
HOMFLY-PT polynomial	$-z^7 a^{-1} +2 a z^5-4 z^5 a^{-1} +z^5 a^{-3} -a^3 z^3+5 a z^3-5 z^3 a^{-1} +2 z^3 a^{-3} -a^3 z+a z+a^3 z^{-1} -2 a z^{-1} +2 a^{-1} z^{-1} - a^{-3} z^{-1}$ (db)
Kauffman polynomial	$-2 a z^9-2 z^9 a^{-1} -5 a^2 z^8-6 z^8 a^{-2} -11 z^8-4 a^3 z^7-7 a z^7-11 z^7 a^{-1} -8 z^7 a^{-3} -a^4 z^6+11 a^2 z^6+2 z^6 a^{-2} -7 z^6 a^{-4} +21 z^6+11 a^3 z^5+29 a z^5+30 z^5 a^{-1} +8 z^5 a^{-3} -4 z^5 a^{-5} +2 a^4 z^4-3 a^2 z^4+9 z^4 a^{-2} +7 z^4 a^{-4} -z^4 a^{-6} -4 z^4-8 a^3 z^3-21 a z^3-17 z^3 a^{-1} -z^3 a^{-3} +3 z^3 a^{-5} -a^4 z^2-2 a^2 z^2-6 z^2 a^{-2} -2 z^2 a^{-4} -5 z^2+a^3 z-2 z a^{-1} -z a^{-3} +1+a^3 z^{-1} +2 a z^{-1} +2 a^{-1} z^{-1} + a^{-3} z^{-1}$ (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 12                     1 -1 10                   3   3 8                 4 1   -3 6               7 3     4 4             7 4       -3 2           8 7         1 0         7 9           2 -2       4 6             -2 -4     3 7               4 -6   1 4                 -3 -8   3                   3 -10 1                     -1

Integral Khovanov Homology (db, data source)

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

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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