Apparently, this user prefers to keep an air of mystery about them.
16 What is a concrete example of why one wants to have a *derived category* in algebraic geometry? dec 1 '13
8 Is every affine scheme the complement of the closed point $x$ of the spectrum of a local ring $A$? jul 22
8 Why are these two definitions of the left-adjoint to $u^p\colon PShv(D)\to PShv(C)$ equivalent? nov 9
7 Is dualizablility of an object equivalent to tensoring with that object having a left adjoint? feb 14 '14
5 Morphism of schemes $f\colon X\to Y$ associated to a continuous map of the underlying spaces $|X|\to |Y|$ aug 19
5 Why are the total spaces of two Serre fibrations equivalent when the bases and the fibers are equivalent? may 8 '14