Publications (21)
Generating Higher-Order Lie Algebras by Expanding Maurer Cartan Forms
Ricardo Caroca, Nelson Merino, Alfredo Pérez +1
By means of a generalization of the Maurer-Cartan expansion method we construct a procedure to obtain expanded higher-order Lie algebras. The expanded higher order Maurer-Cartan eq…
Most general theory of 3d gravity: Covariant phase space, dual diffeomorphisms, and more
Marc Geiller, Christophe Goeller, Nelson Merino
We show that the phase space of three-dimensional gravity contains two layers of dualities: between diffeomorphisms and a notion of "dual diffeomorphisms" on the one hand, and betw…
Non-relativistic limit of the Mielke-Baekler gravity theory
Patrick Concha, Nelson Merino, Evelyn RodrÃguez
In this paper, we present the most general non-relativistic Chern-Simons gravity model in three spacetime dimensions. We first study the non-relativistic limit of the Mielke-Baekle…
Black hole solutions in Chern-Simons AdS supergravity
Gaston Giribet, Nelson Merino, Olivera Miskovic +1
We study charged AdS black hole solutions in five-dimensional Chern-Simons supergravity. The minimal supergroup containing such AdSxU(1) configurations is the superunitary group SU…
Einstein-Gauss-Bonnet theory of gravity: The Gauss-Bonnet-Katz boundary term
Nathalie Deruelle, Nelson Merino, Rodrigo Olea
We propose a boundary term to the Einstein-Gauss-Bonnet action for gravity, which is constructed as the dimensional continuation of the Chern-Weil theorem, and such that the extrem…
Bianchi spaces and their 3-dimensional isometries as S-expansions of 2-dimensional isometries
Ricardo Caroca, Igor Kondrashuk, Nelson Merino +1
In this paper we show that some 3-dimensional isometry algebras, specifically those of type I, II, III and V (according Bianchi's classification), can be obtained as expansions of…