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Giovani L Vasconcelos

Explore the profile of Giovani L Vasconcelos including associated specialties, affiliations and a list of published articles. Areas
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Citations 61
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Recent Articles
1.
Vasconcelos G, Ribeiro L, Macedo A, Gonzalez I, Ospina R, Brum A
Phys Rev E . 2024 May; 109(4-1):044313. PMID: 38755908
We present a multiscale stochastic analysis of foreign exchange rates using the H-theory formalism, which provides a hierarchical intermittency model for the information cascade in the currency market. We examine...
2.
Brum A, Vasconcelos G, Duarte-Filho G, Ospina R, Almeida F, Macedo A
Appl Soft Comput . 2023 Mar; 137:110159. PMID: 36874079
We present the software ModInterv as an informatics tool to monitor, in an automated and user-friendly manner, the evolution and trend of COVID-19 epidemic curves, both for cases and deaths....
3.
Vasconcelos G, Pessoa N, Silva N, Macedo A, Brum A, Ospina R, et al.
Nonlinear Dyn . 2023 Jan; 111(7):6855-6872. PMID: 36588986
A generalized pathway model, with time-dependent parameters, is applied to describe the mortality curves of the COVID-19 disease for several countries that exhibit multiple waves of infections. The pathway approach...
4.
Brum A, Duarte-Filho G, Ospina R, Almeida F, Macedo A, Vasconcelos G
Softw Impacts . 2022 Aug; 14:100409. PMID: 35990010
The COVID-19 pandemic has proven the importance of mathematical tools to understand the evolution of epidemic outbreaks and provide reliable information to the general public and health authorities. In this...
5.
Barbosa A, de Lima T, Gonzalez I, Pessoa N, Macedo A, Vasconcelos G
Phys Rev Lett . 2022 Jun; 128(23):236803. PMID: 35749199
We offer a new perspective on the problem of characterizing mesoscopic fluctuations in the interplateau regions of the integer quantum Hall transition. We found that longitudinal and transverse conductance fluctuations,...
6.
Vasconcelos G, Macedo A, Duarte-Filho G, Brum A, Ospina R, Almeida F
Sci Rep . 2021 Feb; 11(1):4619. PMID: 33633290
We apply a versatile growth model, whose growth rate is given by a generalised beta distribution, to describe the complex behaviour of the fatality curves of the COVID-19 disease for...
7.
Vasconcelos G, Macedo A, Ospina R, Almeida F, Duarte-Filho G, Brum A, et al.
PeerJ . 2020 Jul; 8:e9421. PMID: 32612894
The main objective of the present article is twofold: first, to model the fatality curves of the COVID-19 disease, as represented by the cumulative number of deaths as a function...
8.
Vasconcelos G, Salazar D, Macedo A
Phys Rev E . 2018 Mar; 97(2-1):022104. PMID: 29548225
A formalism, called H-theory, is applied to the problem of statistical equilibrium of a hierarchical complex system with multiple time and length scales. In this approach, the system is formally...
9.
Gonzalez I, Lima B, Pincheira P, Brum A, Macedo A, Vasconcelos G, et al.
Nat Commun . 2017 Jun; 8:15731. PMID: 28561064
Turbulence is a challenging feature common to a wide range of complex phenomena. Random fibre lasers are a special class of lasers in which the feedback arises from multiple scattering...
10.
Vasconcelos G, Mineev-Weinstein M
Phys Rev E Stat Nonlin Soft Matter Phys . 2014 Jul; 89(6):061003. PMID: 25019715
A new general class of exact solutions is presented for the time evolution of a bubble of arbitrary initial shape in a Hele-Shaw cell when surface tension effects are neglected....