Apparently, this user prefers to keep an air of mystery about them.
8 Is this a metric on the Grassmannian Manifold? Sep 7 '13
5 Common roots of polynomial and its derivative Apr 22 '15
4 Jacobian has small eigenvalues everywhere in an open set. Does this imply globally attracting fixed point in that set? Jul 4 '14
4 Fixed point of a function on the circle Apr 23 '14
4 Is a normal matrix satisfying $A^TA=…$ circulant? Jan 12 '15