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253 papers · 1 filter
Setting the Agenda: Different strategies of a Mass Media in a model of cultural dissemination
Sebastián Pinto, Pablo Balenzuela, Claudio O. Dorso
Day by day, people exchange opinions about a given new with relatives, friends, and coworkers. In most cases, they get informed about a given issue by reading newspapers, listening…
Perturbative Double Field Theory on General Backgrounds
Olaf Hohm, Diego Marques
We develop the perturbation theory of double field theory around arbitrary solutions of its field equations. The exact gauge transformations are written in a manifestly background…
Lyapunov decay in quantum irreversibility
Ignacio Garcia-Mata, Augusto J. Roncaglia, Diego A. Wisniacki
The Loschmidt echo -- also known as fidelity -- is a very useful tool to study irreversibility in quantum mechanics due to perturbations or imperfections. Many different regimes, a…
Existence of positive solutions for an approximation of stationary mean-field games
Nojood Almayouf, Elena Bachini, Andreia Chapouto +22
Here, we consider a regularized mean-field game model that features a low-order regularization. We prove the existence of solutions with positive density. To do so, we combine a pr…
Evanescent gravitons in Warped Anti-de Sitter space
Gaston Giribet, Yerko Vasquez
Besides black holes, the phase space of three-dimensional massive gravity about Warped-Anti de Sitter (WAdS) space contains solutions that decay exponentially in time. They describ…
Shadows of rotating black holes in alternative theories
Leonardo Amarilla, Ernesto F. Eiroa
We briefly review some recent advances in the study of the shadows of rotating black holes in alternative theories. The size and the shape of the shadow depend on the mass and the…