Sternberg Group Theory And Physics New ((better)) -

In the Sternbergian view, the Hamiltonian—the operator governing the time evolution of a system—is secondary to the symmetry group that preserves it. The "new" physics is the realization that the vacuum is not an empty void, but a medium defined by its symmetry breaking. Sternberg’s mathematical rigor provided the blueprint for understanding that the mass of a particle is not an intrinsic property, but a consequence of how a particle interacts with a field, an interaction dictated entirely by group representations.

In other words: the very existence of fermions is a Sternberg-style group cohomology effect. The twist in the wavefunction when you rotate an electron by ( 360^\circ ) is not an accident. It’s a global geometric constraint. sternberg group theory and physics new

Geometric and symplectic methods