User profiles for Ricardo Lima

Ricardo Lima

- Verified email at unb.br - Cited by 4144

Ricardo Massa Ferreira Lima

- Verified email at cin.ufpe.br - Cited by 2360

Ricardo de Freitas Lima

- Verified email at ufc.br - Cited by 1169

Suppression of chaos by resonant parametric perturbations

R Lima, M Pettini - Physical Review A, 1990 - APS
Starting from a chaotic regime in the dynamics of a Duffing-Holmes oscillator, we show how
it is possible, by means of a small parametric perturbation of suitable frequency, to bring the …

Spatiotemporal analysis of complex signals: theory and applications

N Aubry, R Guyonnet, R Lima - Journal of Statistical Physics, 1991 - Springer
We present a space-time description of regular and complex phenomena which consists of
a decomposition of a spatiotemporal signal into orthogonal temporal modes that we call …

[HTML][HTML] Pro-inflammatory interleukin-6 signaling links cognitive impairments and peripheral metabolic alterations in Alzheimer's disease

…, RA Gonçalves, TA Pascoal, RAS Lima-Filho… - Translational …, 2021 - nature.com
Alzheimer’s disease (AD) is associated with memory impairment and altered peripheral
metabolism. Mounting evidence indicates that abnormal signaling in a brain-periphery metabolic …

Pulmonary valve replacement after operative repair of tetralogy of Fallot: meta-analysis and meta-regression of 3,118 patients from 48 studies

…, FP Vasconcelos Silva, RFA Lins, RC Lima - Journal of the American …, 2013 - jacc.org
Because the real benefit of pulmonary valve replacement (PVR) in patients with repaired
tetralogy of Fallot who develop pulmonary insufficiency remains unclear, it is necessary to …

[PDF][PDF] Mice deficient for the vesicular acetylcholine transporter are myasthenic and have deficits in object and social recognition

VF Prado, C Martins-Silva, BM de Castro, RF Lima… - Neuron, 2006 - cell.com
An important step for cholinergic transmission involves the vesicular storage of acetylcholine
(ACh), a process mediated by the vesicular acetylcholine transporter (VAChT). In order to …

Integrated sizing and scheduling of wind/PV/diesel/battery isolated systems

A Malheiro, PM Castro, RM Lima, A Estanqueiro - Renewable Energy, 2015 - Elsevier
In this paper we address the optimal sizing and scheduling of isolated hybrid systems using
an optimization framework. The hybrid system features wind and photovoltaic conversion …

GA-based method for feature selection and parameters optimization for machine learning regression applied to software effort estimation

ALI Oliveira, PL Braga, RMF Lima… - information and Software …, 2010 - Elsevier
CONTEXT: In software industry, project managers usually rely on their previous experience
to estimate the number men/hours required for each software project. The accuracy of such …

[HTML][HTML] A review of hydrogen production and supply chain modeling and optimization

JA Riera, RM Lima, OM Knio - International Journal of Hydrogen Energy, 2023 - Elsevier
This paper reviews recent optimization models for hydrogen supply chains and production.
Optimization is a central component of systematic methodologies to support hydrogen …

W∗-categories

P Ghez, R Lima, J Roberts - Pacific Journal of Mathematics, 1985 - msp.org
AW∗-category is the categorical counterpart of a von Neumann algebra with an abstract
definition equivalent to a concrete definition in terms of operators between Hilbert spaces. We …

Outcomes for patients with cancer admitted to the ICU requiring ventilatory support: results from a prospective multicenter study

…, C Piras, SMA Lobo, MF Knibel, JM Teles, RA Lima… - Chest, 2014 - Elsevier
BACKGROUND This study was undertaken to evaluate the clinical characteristics and outcomes
of patients with cancer requiring nonpalliative ventilatory support. METHODS This was …