189

Answers
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6
Cubical vs. simplicial singular homology
6
What should be offered in undergraduate mathematics that’s currently not (or isn’t usually)?
6
How to write popular mathematics well?
6
Giving $Top(X,Y)$ an appropriate topology
6
Justifying/Explaining math research in a public address
6
How many proofs that $\pi_n(S^n)=\mathbb{Z}$ are there?
5
First mention of the fundamental bigroupoid of a space?
5
Why is Set, and not Rel, so ubiquitous in mathematics?
5
Fundamental group of a topological pullback
5
Reusing Parts of a Proof
5
History Question: AUTObiography of Mathematicians
5
What is the difference between holonomy and monodromy?
5
What are some examples of colorful language in serious mathematics papers?
5
Is there any generalization of the Dold-Kan correspondence?
5
Does “compact iff projections are closed” require some form of choice?
5
In which situations can one see that topological spaces are ill-behaved from the homotopical viewpoint?
5
Interesting and Accessible Topics in Graph Theory
4
Five-lemma for the end of long exact sequences of homotopy groups
4
Computing homotopies
4
How can I understand the “groupoid” quotient of a group action as some sort of “product”?
4
Chain Complexes and Linear Infinity-Categories
4
Nice proof of the Jordan curve theorem?
4
Most striking applications of category theory?
4
Is there a sense in which the homotopy theory of simplicial sets is the “paradigmatic” one?
4
What is the metamathematical interpretation of knot diagrams?
4
Evolution of the Mapping/Function Concept
4
Homotopy equivalence of certain kinds of adjunction spaces
4
What is the intuition of connections for cubical sets?
4
Applications of Eckmann-Hilton argument to topology
4
Compact open topology
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