Apparently, this user prefers to keep an air of mystery about them.
44 What is the meaning of the expression Q.E.D.? Is it similar to ■ appearing at the end of a theorem? feb 19
14 Are there any other constructions of a finite field with characteristic $p$ except $\Bbb Z_p$? apr 12 '13
12 how to prove $G_1$ and $G_2$ aren't isomorphic? mar 5 '13
11 Can an empty set be both torsion and torsion free group? nov 26 '14