An autopsy determined that the man suspected in last weekend’s attack at Brown University and the fatal shooting of a ...

A dynamical system is a particle or ensemble of particles whose state varies over time and thus obeys differential equations involving time derivatives. Analytical resolution of such equations or ...

The SO(8) supergravity action is constructed in closed form. A local SU(8) group as well as the exceptional group E 7 are invariances of the equations of motion and of a new first order lagrangian.