Apparently, this user prefers to keep an air of mystery about them.
22 Who came up with the $\varepsilon$-$\delta$ definitions and the axioms in Real Analysis? Dec 22 '13
9 What functions satisfy this functional equation? Sep 18 '14
4 Limit of Lambert $W$ Product Log is the Natural Log? Sep 16 '14
3 When does order of partial derivatives matter? Oct 2 '14
2 Reference help - Linear Algebra and Calculus Dec 24 '13