Apparently, this user prefers to keep an air of mystery about them.
7 Is there a reason why a relativistic quantum theory of a single fermion exists, but of a single scalar not? Aug 11 '15
6 The number of independent variables in the Lagrangian and Hamiltonian methods in Classical Mechanics May 5 '12
4 The form of Lagrangian for a free particle Apr 5 '12