Posted by defrost 2 days ago
It is strong, but not 1 to 1:
> Tubbenhauer computed, for instance, that the invariant uniquely identifies more than 97% of the knots with 18 crossings.
Which I not only mentioned in my comment, it is not even slightly unique to QR codes.
> they look kinda like QR codes
In what way? QR Codes are black and white, square, and asymmetrical. These are colourful, hexagonal, and symmetrical. By that token, a 16th century tile also “looks kinda like a QR Code”.
I very much doubt you could show one of these to someone, ask them what they are, and that they would answer “QR Code”. They don’t look alike at all.
The text QR Code itself is a registered trademark and wordmark of Denso Wave Incorporated.[107]
“Whoa! Some article said this mail app is an ‘Outlook’ for TempleOS! Better call the Microsoft lawyers.”
No, you’re allowed to compare products and ideas and mention their trademarked names without fear of legal issues.
Did the researchers name these “QR codes?”