The problem with combinatorics textbooks: https://igorpak.wordpress.com/2021/07/03/the-problem-with-combinatorics-textbooks/
Igor Pak on the difficulty of teaching combinatorics in a comprehensive way in a single term. Instead, he suggests teaching courses on narrower subtopics: "the more specific you make the combinatorics course the more interesting it is to the students".
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!