Apparently, this user prefers to keep an air of mystery about them.
7 Zoll sphere which is not a surface of revolution aug 14 '13
3 Which real analytic functions of two variables locally are magnitudes of complex-analytic functions [closed] jun 19 '13
3 Continuous approximation of smooth metrics. jun 21 '13
2 What is the right categorical framework for diagonal approximations, cup and cap products and identities between them? nov 12 '14