L7a4
From Knot Atlas
Jump to navigationJump to search
|
|
![]() (Knotscape image) |
See the full Thistlethwaite Link Table (up to 11 crossings). |
L7a4 is Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 7^2_3} in the Rolfsen table of links. |
Link Presentations
[edit Notes on L7a4's Link Presentations]
Planar diagram presentation | X6172 X10,4,11,3 X14,8,5,7 X12,10,13,9 X8,14,9,13 X2536 X4,12,1,11 |
Gauss code | {1, -6, 2, -7}, {6, -1, 3, -5, 4, -2, 7, -4, 5, -3} |
A Braid Representative | {{{braid_table}}} |
A Morse Link Presentation | ![]() |
Polynomial invariants
Multivariable Alexander Polynomial (in Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle u} , , , ...) | (db) |
Jones polynomial | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -2 q^{9/2}+2 q^{7/2}-3 q^{5/2}+3 q^{3/2}-\frac{1}{q^{3/2}}+q^{11/2}-3 \sqrt{q}+\frac{1}{\sqrt{q}}} (db) |
Signature | 1 (db) |
HOMFLY-PT polynomial | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -z^3 a^{-1} -z^3 a^{-3} +a z-z a^{-1} -z a^{-3} +z a^{-5} +a z^{-1} - a^{-1} z^{-1} } (db) |
Kauffman polynomial | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -z^6 a^{-2} -z^6 a^{-4} -z^5 a^{-1} -3 z^5 a^{-3} -2 z^5 a^{-5} +z^4 a^{-2} +z^4 a^{-4} -z^4 a^{-6} -z^4-a z^3-z^3 a^{-1} +5 z^3 a^{-3} +5 z^3 a^{-5} -2 z^2 a^{-2} +2 z^2 a^{-6} +2 a z+2 z a^{-1} -2 z a^{-3} -2 z a^{-5} +1-a z^{-1} - a^{-1} z^{-1} } (db) |
Khovanov Homology
The coefficients of the monomials Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle t^rq^j} are shown, along with their alternating sums Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \chi} (fixed Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle j} , alternation over Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle r} ). |
|
Integral Khovanov Homology
(db, data source) |
|
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. |
|