L11a7

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L11a6

L11a8

Contents

Image:L11a7.gif
(Knotscape image)
See the full Thistlethwaite Link Table (up to 11 crossings).

Visit L11a7's page at Knotilus.

Visit L11a7's page at the original Knot Atlas.


[edit] Link Presentations

[edit Notes on L11a7's Link Presentations]

Planar diagram presentation X6172 X16,7,17,8 X4,17,1,18 X12,6,13,5 X8493 X22,14,5,13 X14,22,15,21 X18,10,19,9 X20,12,21,11 X10,20,11,19 X2,16,3,15
Gauss code {1, -11, 5, -3}, {4, -1, 2, -5, 8, -10, 9, -4, 6, -7, 11, -2, 3, -8, 10, -9, 7, -6}
A Braid Representative
Image:BraidPart1.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart3.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gif
Image:BraidPart2.gifImage:BraidPart1.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart3.gifImage:BraidPart4.gifImage:BraidPart3.gifImage:BraidPart0.gifImage:BraidPart3.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart3.gif
Image:BraidPart0.gifImage:BraidPart2.gifImage:BraidPart1.gifImage:BraidPart0.gifImage:BraidPart1.gifImage:BraidPart4.gifImage:BraidPart1.gifImage:BraidPart4.gifImage:BraidPart1.gifImage:BraidPart4.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart0.gifImage:BraidPart1.gifImage:BraidPart4.gif
Image:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart2.gifImage:BraidPart1.gifImage:BraidPart2.gifImage:BraidPart0.gifImage:BraidPart2.gifImage:BraidPart0.gifImage:BraidPart2.gifImage:BraidPart0.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart3.gifImage:BraidPart2.gifImage:BraidPart0.gif
Image:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart2.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart4.gifImage:BraidPart0.gifImage:BraidPart0.gif
A Morse Link Presentation Image:L11a7_ML.gif

[edit] Polynomial invariants

Multivariable Alexander Polynomial (in u, v, w, ...) −2vu5 + 2u5 + 5vu4−5u4−6vu3 + 6u3 + 6vu2−6u2−5vu + 5u + 2v−2 (db)
Jones polynomial -q^{19/2}+3 q^{17/2}-5 q^{15/2}+10 q^{13/2}-14 q^{11/2}+16 q^{9/2}-17 q^{7/2}+14 q^{5/2}-12 q^{3/2}+7 \sqrt{q}-\frac{4}{\sqrt{q}}+\frac{1}{q^{3/2}} (db)
Signature 3 (db)
HOMFLY-PT polynomial z7a−3 + z7a−5z5a−1 + 3z5a−3 + 4z5a−5z5a−7−2z3a−1 + z3a−3 + 5z3a−5−3z3a−7 + za−1za−3 + za−5za−7 + a−1z−1−2a−5z−1 + a−7z−1 (db)
Kauffman polynomial −2z10a−4−2z10a−6−5z9a−3−9z9a−5−4z9a−7−6z8a−2−2z8a−4−4z8a−8−4z7a−1 + 11z7a−3 + 27z7a−5 + 8z7a−7−4z7a−9 + 16z6a−2 + 12z6a−4 + 2z6a−6 + 4z6a−8−3z6a−10z6 + 11z5a−1−6z5a−3−38z5a−5−13z5a−7 + 7z5a−9z5a−11−9z4a−2−8z4a−4z4a−6 + 3z4a−8 + 7z4a−10 + 2z4−6z3a−1 + 4z3a−3 + 24z3a−5 + 9z3a−7−3z3a−9 + 2z3a−11 + z2a−2−2z2a−4−6z2a−6−7z2a−8−4z2a−10za−1−2za−3−3za−5−2za−7a−2 + 3a−4 + 5a−6 + 2a−8 + a−1z−1−2a−5z−1a−7z−1 (db)

[edit] Khovanov Homology

The coefficients of the monomials trqj are shown, along with their alternating sums χ (fixed j, alternation over r). The squares with yellow highlighting are those on the "critical diagonals", where j−2r = s + 1 or j−2r = s−1, where s = 3 is the signature of L11a7. Nonzero entries off the critical diagonals (if any exist) are highlighted in red.    Data:L11a7/KhovanovTable
Integral Khovanov Homology

(db, data source)

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

[edit] Computer Talk

Much of the above data can be recomputed by Mathematica using the package KnotTheory`. See A Sample KnotTheory` Session.

[edit] 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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