Erdosproblems.com Succumbs to the AI Onslaught(erdosproblems.com)
86 points by pfdietz | 37 comments
Blog post by Thomas Bloom on erdosproblems.com describing how AI's rapid progress in solving Erdős problems is changing the site and its purpose.
#combinatorics on Hacker News
8 stories tagged combinatorics, newest first.
The Heilbronn Problem(math.tejstead.com)
60 points by tejstead | 12 comments
A website collecting the best known point configurations for the Heilbronn triangle problem in squares, triangles, and convex regions, with coordinates and an in-browser verifier.
L-systems generate weevils, pizza toppings, and matriarchal lineages(blog.plover.com)
11 points by surprisetalk | 3 comments
Blog post from The Universe of Discourse explaining how L-system string rewriting, starting from Fibonacci's rabbit problem, models weevils, pizza toppings, and matriarchal lineages.
My Mathematical Regression(blog.dahl.dev)
346 points by aleda145 | 134 comments
Blog post in which the author revisits a decade-old Project Euler solutions repo and reflects on a plain-text answer to problem 15, Lattice Paths.
Epoch confirms GPT5.4 Pro solved a frontier math open problem(epoch.ai)
450 points by in-silico | 648 comments
Epoch AI FrontierMath page for an open Ramsey-style hypergraph problem, marked solved via a solution elicited from GPT-5.4 Pro and confirmed by contributor Will Brian.
No reachable chess position with more than 218 moves(lichess.org)
333 points by emporas | 169 comments
Lichess blog post arguing/proving that no reachable chess position has more than 218 legal moves.
Anime fans stumbled upon a mathematical proof(scientificamerican.com)
475 points by classichasclass | 220 comments
Scientific American article on how an anime fan's question about watching episodes in every order led to a proof on superpermutation lengths.
Discrete Mathematics – An Open Introduction, 4th edition(discrete.openmathbooks.org)
396 points by yawboakye | 42 comments
Announcement page for the 4th edition of Oscar Levin's free open textbook Discrete Mathematics: An Open Introduction, with links to read online.