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Questions asking for the intuition behind some definition, conjecture, proof etc. In other words, questions designed to improve or to acquire understanding on a conceptual or intuitive level, as opposed to on a technical or formal level. When asking such a question it can be helpful to include a rough description of ones understanding of the subject at hand (on a technical level).

1 vote

What do higher Chow groups mean?

This may not be particularly helpful, but when $X=\mathrm{spec} k$, for a field $k$, then $CH^{2n}(X,n)=K_n^M(k)$, the Milnor $K$-theory of $k$. I do not know if there are any other useful characteriz …
Benjamin Antieau's user avatar
27 votes

How to think about model categories?

Besides the comments above, it might be useful to have a list of categories that have natural model structures: simplicial sets, CW-complexes (Serre fibrations), topological spaces (Hurewicz fibrati …
Ilya Nikokoshev's user avatar