Algebraic quantum field theory (AQFT) on curved spacetimes is a rigorous framework that generalises the axiomatic approach to quantum fields beyond flat Minkowski space, accommodating general ...

Algebraic structures lie at the heart of modern quantum theory, providing the language for observables, symmetries and state spaces. Operator algebras, notably C*-algebras and von Neumann algebras, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...