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- Erneson A. Oliveira, K. Julian Schrenk, Nuno A. M. AraÃºjo, Hans J. Herrmann, JosÃ© S. Andrade
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2011

The optimal path crack model on uncorrelated surfaces, recently introduced by Andrade et al. [Phys. Rev. Lett. 103, 225503 (2009).], is studied in detail and its main percolation exponents computed. In addition to Î²/Î½=0.46Â±0.03, we report Î³/Î½=1.3Â±0.2 and Ï„=2.3Â±0.2. The analysis is extended to surfaces with spatial long-range power-law correlations, whereâ€¦ (More)

- AndrÃ© A. Moreira, Erneson A. Oliveira, Saulo D. S. Reis, Hans J. Herrmann, JosÃ© S. Andrade
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2010

We present a cluster growth process that provides a clear connection between equilibrium statistical mechanics and an explosive percolation model similar to the one recently proposed by D. Achlioptas [Science 323, 1453 (2009)]. We show that the following two ingredients are sufficient for obtaining an abrupt (first-order) transition in the fraction of theâ€¦ (More)

- Erneson A. Oliveira, JosÃ© S. Andrade, HernÃ¡n A. Makse
- Scientific reports
- 2014

We study how urban quality evolves as a result of carbon dioxide emissions as urban agglomerations grow. We employ a bottom-up approach combining two unprecedented microscopic data on population and carbon dioxide emissions in the continental US. We first aggregate settlements that are close to each other into cities using the City Clustering Algorithmâ€¦ (More)

- Carlos Caminha, Vasco Furtado, +4 authors JosÃ© S. Andrade
- PloS one
- 2017

We investigate at the subscale of the neighborhoods of a highly populated city the incidence of property crimes in terms of both the resident and the floating population. Our results show that a relevant allometric relation could only be observed between property crimes and floating population. More precisely, the evidence of a superlinear behaviorâ€¦ (More)

- JosÃ© S. Andrade, Erneson A. Oliveira, AndrÃ© A. Moreira, Hans J. Herrmann
- Physical review letters
- 2009

Optimal paths play a fundamental role in numerous physical applications ranging from random polymers to brittle fracture, from the flow through porous media to information propagation. Here for the first time we explore the path that is activated once this optimal path fails and what happens when this new path also fails and so on, until the system isâ€¦ (More)

- Pablo A. Morais, Erneson A. Oliveira, Nuno A. M. AraÃºjo, Hans J. Herrmann, JosÃ© S. Andrade
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2011

Using numerical simulations of a simple sea-coast mechanical erosion model, we investigate the effect of spatial long-range correlations in the lithology of coastal landscapes on the fractal behavior of the corresponding coastlines. In the model, the resistance of a coast section to erosion depends on the local lithology configuration as well as on theâ€¦ (More)

- JosÃ© S. Andrade, Saulo D. S. Reis, Erneson A. Oliveira, Eric Fehr, Hans J. Herrmann
- Computing in Science & Engineering
- 2011

As our brief literature review shows, the fractal dimension of an optimal path in the strong disorder limit often appears in statistical physics models and therefore might represent a fundamental property for many different natural systems. To emphasize this common behavior and further support our hypothesis that all such systems fall in the sameâ€¦ (More)

We investigate through numerical simulations of a simple sea-coast mechanical erosion model, the effect of spatial long-range correlations in the lithology of coastal landscapes on the fractal behavior of the corresponding coastlines. In the model, the resistance of a coast section to erosion depends on the local lithology configuration as well as on theâ€¦ (More)

- L T Thieghi, Fernando Batalioto, +5 authors Erneson A. Oliveira
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2006

A phenomenological model is proposed to analyze the influence of the incident light intensity on the photoinduced anisotropy of an azobenzene-containing polymer film. The optical anisotropy was generated in the films by the incidence of linearly polarized light and monitored by transmittance measurements.

- Fernando Batalioto, I. H. Bechtold, Erneson A. Oliveira, Luiz R. Evangelista
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2005

The in-plane orientation of a nematic liquid-crystal sample, confined by two periodic microtextured substrates, is theoretically analyzed by means of the Frank-Oseen continuum elastic theory and a suitable surface term. In addition, an easy optical method to produce such textures using photopolymeric films is presented. It is shown that, in the limit ofâ€¦ (More)