Apparently, this user prefers to keep an air of mystery about them.
10 Grothendieck trace on local cohomology? Jul 11 '13
5 Comparison of two traces Sep 17 '13
5 What 3-manifolds can be obtained by gluing $ S^1 \times P $ and two copies of $S^1 \times D^2$ Jul 17 '14
4 object in D^bCoh(P^2) with prescribed RHom's Aug 25 '15