Apparently, this user prefers to keep an air of mystery about them.
8 Which concept of dimension of a ring of functions on a manifold, gives the dimension of the manifold? aug 9 '12
6 Positive matrices matrices over commutative rings may 31 '11
5 When is an inner derivation a Fredholm operator? mar 17 '14
5 Trace of the identity map in a projective module jun 9 '11
3 Noncommutative Poincare inequalities mar 24 '14