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70 papers · 1 filter
Similarity transformations for Nonlinear Schrodinger Equations with time varying coefficients: Exact results
Victor M. Perez-Garcia, Pedro J. Torres, Vladimir V. Konotop
In this paper we use a similarity transformation connecting some families of Nonlinear Schrodinger equations with time-varying coefficients with the autonomous cubic nonlinear Schr…
Further results on the smoothability of Cauchy hypersurfaces and Cauchy time functions
Antonio N. Bernal, Miguel Sánchez
Recently, folk questions on the smoothability of Cauchy hypersurfaces and time functions of a globally hyperbolic spacetime M, have been solved. Here we give further results, appli…
Diffusion-limited deposition with dipolar interactions: fractal dimension and multifractal structure
M. Tasinkevych, J. M. Tavares, F. de los Santos
Computer simulations are used to generate two-dimensional diffusion-limited deposits of dipoles. The structure of these deposits is analyzed by measuring some global quantities: th…
Corings over rings with local units
L. El Kaoutit
We show that the category of corings over a fixed base ring with local units is equivalent to the category of comonads in (right) unital modules whose underlying functors preserve…
The Picard Group of Corings
Mohssin Zarouali-Darkaoui
We introduce the Picard group of corings. We extend the well-known exact sequence from algebras and coalgebras over fields to corings. We extend the Aut-Pic property to corings and…
Geometric approach to condensates in holographic QCD
Johannes Hirn, Nuria Rius, Veronica Sanz
An SU(Nf)xSU(Nf) Yang-Mills theory on an extra-dimensional interval is considered, with appropriate symmetry-breaking boundary conditions on the IR brane. UV-brane to UV-brane corr…