Rudolf Haag

Fields, observables and gauge transformations I

AbstractStarting from an algebra of fields

On Quantum Field Theory in Gravitational Background

\mathfrak{F}

NETS OF C*-ALGEBRAS AND CLASSIFICATION OF STATES.

and a compact gauge group of the first kind ℊ, the observable algebra

Generally covariant quantum field theory and scaling limits

\mathfrak{A}

The quest for understanding in relativistic quantum physics

is defined as the gauge invariant part of