A ridiculous definition
I am quite fond of silly but correct definitions. One of the more famous ones appears in Paolo Aluffi’s wonderful textbook “Algebra Chapter 0”: Joke 1.1 A g...
Posts by Year
2023
Coalgebras and deformation theory (work in progress)
Here’s a vague question: Given a space \( X \) what’s the difference between the \( \mathbb{F}_{p} \)-valued chains \( C_{\ast}(X;\mathbb{F}_{p}) \) and the ...