Apparently, this user prefers to keep an air of mystery about them.
6 Lie derivative along time-dependent vector fields Jul 14 '13
6 In a ring: If every non-zero and non-unit element factors into prime elements, is factorization over irreducible elements unique? Aug 12 '15
2 Subset $A\subset\mathbb R$ such that for any interval $I$ of length $a$ the set $A\cap I$ has Lebesgue measure $a/2$ Feb 24 '15
2 Weaker definitions of Lie subgroups Jan 13 '15
2 What does $\Omega^\bullet(M)$ mean? Apr 24 '13