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14 papers · 2 filters
Classical and Quantum Integrability of 2D Dilaton Gravities in Euclidean space
L. Bergamin, D. Grumiller, W. Kummer +1
Euclidean dilaton gravity in two dimensions is studied exploiting its representation as a complexified first order gravity model. All local classical solutions are obtained. A glob…
Two-Dimensional N=(2,2) Dilaton Supergravity from Graded Poisson-Sigma Models II: Analytic Solution and BPS States
L. Bergamin, W. Kummer
The integrability of N=(2,2) dilaton supergravity in two dimensions is studied by the use of the graded Poisson Sigma model approach. Though important differences compared to the p…
Topological String Amplitudes, Complete Intersection Calabi-Yau Spaces and Threshold Corrections
A. Klemm, M. Kreuzer, E. Riegler +1
We present the most complete list of mirror pairs of Calabi-Yau complete intersections in toric ambient varieties and develop the methods to solve the topological string and to cal…
Generalized complex geometry and the Poisson Sigma Model
L. Bergamin
The supersymmetric Poisson Sigma model is studied as a possible worldsheet realization of generalized complex geometry. Generalized complex structures alone do not guarantee non-ma…
Chemistry of Chern-Simons Supergravity: reduction to a BPS kink, oxidation to M-theory and thermodynamical aspects
L. Bergamin, D. Grumiller, A. Iorio +1
We construct a supersymmetric extension of the two dimensional Kaluza-Klein-reduced gravitational Chern-Simons term, and globally study its solutions, labelled by mass and U(1) cha…
Field theory on kappa-spacetime
Marija Dimitrijevic, Larisa Jonke, Lutz Moeller +3
A general formalism is developed that allows the construction of field theory on quantum spaces which are deformations of ordinary spacetime. The symmetry group of spacetime is rep…