Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Hacker News 50 @hn50@social.lansky.name

3/19/2026, 5:25:08 PM

Public

The Shape of Inequalities

Link: https://www.andreinc.net/2026/03/16/the-shape-of-inequalities/
Discussion: https://news.ycombinator.com/item?id=47440284

The Shape of Inequalities | Personal Site of Andrei N. Ciobanu

…symmetry isn’t just a preference for “pretty” shapes. Contents Introduction The HM-AM-GM-QM Inequality The two circles The Semicircle The Container The 3D container The Sum of Squares Inequality Nesbitt’s Inequality Conclusion Introduction While I was randomly browsing the web, I came across this nice picture: Roland H. Eddy, Memorial University of Newfoundland, Canada, 1985 And it tickled my imagination a little, just enough to write this short post.

www.andreinc.net

If you have a fediverse account, you can quote this note from your own instance. Search https://social.lansky.name/users/hn50/statuses/116257004466804421 on your instance and quote it. (Note that quoting is not supported in Mastodon.)