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pro vyhledávání: '"Oliveira, Henrique M."'
This study examines the synchronization of three identical oscillators arranged in an array and coupled by small impacts, wherein each oscillator interacts solely with its nearest neighbor. The synchronized state, which is asymptotically stable, is c
Externí odkaz:
http://arxiv.org/abs/2405.06585
Autor:
Figueira, José Rui, Oliveira, Henrique M., Serro, Ana Paula, Colaço, Rogério, Froes, Filipe, Cordeiro, Carlos Robalo, Diniz, António, Guimarães, Miguel
The Covid-19 pandemic has caused impressive damages and disruptions in social, economic, and health systems (among others), and posed unprecedented challenges to public health and policy/decision-makers concerning the design and implementation of mea
Externí odkaz:
http://arxiv.org/abs/2109.11828
Autor:
Figueira, José Rui, Oliveira, Henrique M., Serro, Ana Paula, Colaço, Rogério, Froes, Filipe, Robalo Cordeiro, Carlos, Diniz, António, Guimarães, Miguel
Publikováno v:
In European Journal of Operational Research 1 September 2023 309(2):795-818
Autor:
D'Aniello, Emma, Oliveira, Henrique M.
This paper investigates the synchronization of three identical oscillators, or clocks, suspended from a common rigid support. We consider scenarios where each clock interacts with the other two, achieving synchronization through small impacts exchang
Externí odkaz:
http://arxiv.org/abs/1905.03534
Autor:
Oliveira, Henrique M.
Bifurcation equations, non-degeneracy and transversality conditions are obtained for the fold, transcritical, pitchfork and flip bifurcations for periodic points of one dimensional implicitly defined discrete dynamical systems. The backward Euler met
Externí odkaz:
http://arxiv.org/abs/1608.01898
Autor:
Alves, João F., Oliveira, Henrique M.
A similarity transformation is obtained between general population matrices models of the Usher or Lefkovitch types and a simpler model, the pseudo-Leslie model. The pseudo Leslie model is a matrix that can be decomposed in a row matrix, which is not
Externí odkaz:
http://arxiv.org/abs/1503.06308
Homeomorphisms allowing us to prove topological equivalences between one-parameter families of maps undergoing the same bifurcation are constructed in this paper. This provides a solution for a classical problem in bifurcation theory that was set out
Externí odkaz:
http://arxiv.org/abs/1503.03700
Autor:
Oliveira, Henrique M.
Iterations of odd piecewise continuous maps with two discontinuities, i.e., symmetric discontinuous bimodal maps, are studied. Symbolic dynamics is introduced. The tools of kneading theory are used to study the homology of the discrete dynamical syst
Externí odkaz:
http://arxiv.org/abs/1503.01593
Akademický článek
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Autor:
Oliveira, Henrique M., Melo, Luís V.
The synchronization of two pendulum clocks hanging from a wall was first observed by Huygens during the XVII century. This type of synchronization is observed in other areas, and is fundamentally different from the problem of two clocks hanging from
Externí odkaz:
http://arxiv.org/abs/1410.7926