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- M A Matías, J Güémez, V Pérez-Muñuzuri, I P Mariño, M N Lorenzo, V Pérez-Villar
- 1996

PACS. 05.45+b – Theory and models of chaotic systems. PACS. 47.20Ky – Nonlinearity (including bifurcation theory). Abstract. – We consider the behavior of rings of unidirectionally coupled chaotic systems. When the number of oscillators in the ring is below a certain critical number the behavior of the ring is chaotic synchronized, while above this… (More)

Spatiotemporal stochastic forcing of an ensemble system consisting of chaotic Lorenz cells diffusively coupled is analyzed. The nontrivial effects of time and length correlations on the ensemble mean error and spread are studied and the implications to new trends in weather forecast methodologies are discussed. A maximum for the forecast scores is observed… (More)

- I P Mariño, V Pérez-Muñuzuri, V Pérez-Villar, E Sánchez, M A Matías
- 1999

The interaction of two chaotic rotating waves of the type recently reported by Matías et al. [Europhys. Lett. 37 (1997) 379] is studied experimentally with arrays of non-linear electronic circuits arranged in ring geometries. Unidirectional coupling is assumed for the cell-to-cell coupling within the same ring, but between rings, cells are coupled… (More)

- Ng, References, Y.-K Kuo, M.-F Huang, M Birnbaum, Tunable Cr +7 others
- 1999

517 Since by Lemma 2.1 the system states n(1) and N g (1) are nonneg-ative, we can write (37) as _ W (X) 0 minfbNa + c; d; 2eg 1 Na 2(1 0) Thus, we have the linear differential inequality _ W (t) 0 BLOCKINW(t) (39) where := minfbNa + c; d; 2eg > 0: (40) By a comparison theorem given in [15, p. 2] or [16, p. 3] we conclude that W in (39) satisfies W (X) W (X… (More)

- Esteban Sánchez, Manuel A Matías, Vicente Pérez-Muñuzuri
- 2000

—Chaotic synchronization is studied in experiments performed on dynamic arrays of Chua's circuits that are connected by using a recently introduced driving method especially suited for the design of such arrays. Namely, the driven circuit has the same number of energy storage elements as the driving circuit. The experimental results, which are supported by… (More)

- P Carracedo, S Torres-López, M Barreiro, P Montero, C F Balseiro, E Penabad +2 others
- Marine pollution bulletin
- 2006

An integrated system named METEOMOHID, developed by MeteoGalicia in the first stage of the Prestige accident in November 2002 was used successfully in an operational form to support decision making and assist in recovering tasks. Afterwards, METEOMOHID has been enhanced with the aim of developing an operational oceanography system to be used in the NW of… (More)

Phase synchronization is shown to occur between opposite cells of a ring consisting of chaotic Lorenz oscillators coupled unidirectionally through driving. As the coupling strength is diminished, full phase synchronization cannot be achieved due to random generation of phase jumps. The brownian dynamics underlying this process is studied in terms of a… (More)

- J A Maroto, V Pérez-Muñuzuri, M S Romero-Cano
- 2007

We describe experiments on Bénard–Marangoni convection which permit a useful understanding of the main concepts involved in this phenomenon such as, for example, Bénard cells, aspect ratio, Rayleigh and Marangoni numbers, Crispation number and critical conditions. In spite of the complexity of convection theory, we carry out a simple and introductory… (More)

- J A Maroto, V Pérez-Muñuzuri, M S Romero-Cano
- 2006

We describe experiments on Bénard-Marangoni convection which permit an useful understanding on the main concepts involved in this phenomenon as, for example, Bénard cells, aspect ratio, Rayleigh and Marangoni numbers, crispation number and critical conditions. In spite of the complexity of the convection theory, this work carries out a simple and… (More)