Apparently, this user prefers to keep an air of mystery about them.
4 Question about homomorphisms and symmetric groups Aug 24 '12
2 Integral vector calculus (by parts) Jul 31 '13
2 Subgroup generated by additive integers: Expressing d as an integer combination of ra + sb. Aug 11 '12
2 Clarification on proof: Order of left cosets equal Aug 27 '12