493 citations · 1.6k across the 40 of their papers we have counts for
41 papers
Higher-spin gauge theories in three spacetime dimensions
Andrea Campoleoni, Stefan Fredenhagen
These lecture notes provide an introduction to higher-spin gauge theories in three spacetime dimensions, with a focus on their asymptotic symmetries, their holographic description…
Modelling interface factorizations between Landau-Ginzburg models as module functors
Stefan Fredenhagen
We study the fusion of B-type interfaces between N=(2,2) supersymmetric Landau-Ginzburg models. Such interfaces can be described by matrix factorizations of the difference of the s…
Fusion of interfaces in Landau-Ginzburg models: a functorial approach
Nicolas Behr, Stefan Fredenhagen
We investigate the fusion of B-type interfaces in two-dimensional supersymmetric Landau-Ginzburg models. In particular, we propose to describe the fusion of an interface in terms o…
Exploring the gravity sector of emergent higher-spin gravity: effective action and a solution
Stefan Fredenhagen, Harold C. Steinacker
We elaborate the description of the semi-classical gravity sector of Yang-Mills matrix models on a covariant quantum FLRW background. The basic geometric structure is a frame, whic…
Restrictions for -Point Vertices in Higher-Spin Theories
Stefan Fredenhagen, Olaf Krüger, Karapet Mkrtchyan
We give a simple classification of the independent -point interaction vertices for bosonic higher-spin gauge fields in -dimensional Minkowski space-times. We first give a cha…
Vertex-Constraints in 3D Higher Spin Theories
Stefan Fredenhagen, Olaf Krüger, Karapet Mkrtchyan
We analyse the constraints imposed by gauge invariance on higher-order interactions between massless bosonic fields in three-dimensional higher-spin gravities. We show that vertice…