Ayman Hourieh
40,828
reputation
Staff software engineer at Google. B.Sc. and M.Sc. in Computer Science, Software Engineering.
Some answers I like:
- $\lim_{p \to 0} \|f\|_{p} = \exp\left(\int_X \log|f| \,d\mu\right)$
- Factorization of a map between CW complexes that induces isomorphisms on homotopy groups
- Homology of connected sum of real projective spaces
- Fundamental groups of the Hawaiian earring and the wedge sum of circles
- $F_2$, the free group on two generators, has $F_3$ as a subgroup
- Walking on a torus
- Pumping lemma