Top network posts

• 32 What are the open subsets of $\mathbb{R}^n$ that are diffeomorphic to $\mathbb{R}^n$
• 21 Are there other kinds of bump functions than $e^\frac1{x^2-1}$?
• 17 What follows from Axiom of Dependent Choice (DC) and what doesn't?
• 14 Are $\partial$-exact and $\bar\partial$-exact forms also $\partial\bar\partial$-exact?
• 13 Where was $I_x/I_x^2$ first introduced? (DG or AG)
• 12 Lie derivative of a vector field equals the lie bracket
• 10 An example of a non-geometric $C^\infty(M)$-module
• View more network posts →