Klaus Fredenhagen Universität Hamburg http://unith.desy.de/research/aqft Papers Action Ward Identity and the Stueckelberg-Petermann renormalization group Michael Dütsch, Klaus Fredenhagen January 28, 2005 open access link Prog.Math.251:113-124,2007 Algebraic approach to Quantum Field Theory Romeo Brunetti, Klaus Fredenhagen November 22, 2004 introduction open access link Perturbative renormalization and BRST Michael Dütsch, Klaus Fredenhagen November 22, 2004 review open access link Causal perturbation theory in terms of retarded products, and a proof of the Action Ward Identity Michael Dütsch, Klaus Fredenhagen March 22, 2004 open access link doi:10.1142/S0129055X04002266 Ultraviolet Finite Quantum Field Theory on Quantum Spacetime Dorothea Bahns, Sergio Doplicher, Klaus Fredenhagen, Gherardo Piacitelli January 15, 2003 open access link Commun.Math.Phys.237:221-241,2003 Pages« first‹ previous…45678next ›last » Slides Students Explicit construction of Hadamard states for Quantum Field Theory in curved spacetimes Marcos Brum PhD Thesis, 2014, Federal University of Rio de Janeiro Advisors: Sergio Jorás, Klaus Fredenhagen quantum fields in curved spacetimes, Hadamard states open access link Quantization of the Electromagnetic Potential in Asymptotically Flat Spacetimes Daniel Siemssen Diploma Thesis, 2011, Universität Hamburg Advisors: Claudio Dappiaggi, Klaus Fredenhagen QFT on curved spacetimes, Hadamard states, vector potential, asymptotically flat spacetimes open access link Batalin-Vilkovisky formalism in locally covariant field theory Katarzyna Rejzner PhD Thesis, 2011, Universität Hamburg Advisor: Klaus Fredenhagen Batalin-Vilkovisky formalism, perturbative AQFT, gauge field theories, locally covariant quantum field theory open access link