2005/12/17 by Romeo Brunetti, Brunetti, Romeo, Martin Porrmann +3
Mathematics · #Advanced Operator Algebra Research #Algebraic structures and combinatorial models #FOS: Physical sciences #Homotopy and Cohomology in Algebraic Topology #Mathematical Physics (math-ph)
paper · pdf · doi:10.48550/arxiv.math-ph/0512059
openalex publication_date 2005/12/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
In this review we report on how the problem of general covariance is treated within the algebraic approach to quantum field theory by use of concepts from category theory. Some new results on net cohomology and superselection structure attained in this framework are included.