... above,(6)6(4)∨ The Role of Neutrinos, Strings, Gravity, and Variable Cosmological Constant in Elementary Particle Physics In general the Einstein-Bianchi identities are satisfied by the tensorwhere(7)(8)(9) and ... work in the past few years has enabled me to obtain some new results and to further understand the physics of the theory. The simplest formulation of a unified theory according to Einstein’s ... although these efforts have been mainly unsuccessful, some theorists are still hopeful to obtain results. The Role of Neutrinos. Strings, Gravity, and Variable Cosmological Constant in Elementary Particle Physics, ...