Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Silvério Rosa"'
Autor:
Silvério Rosa, Faïçal Ndaïrou
Publikováno v:
Mathematics, Vol 12, Iss 7, p 985 (2024)
A recently proposed fractional-order mathematical model with Caputo derivatives was developed for Ebola disease. Here, we extend and generalize this model, beginning with its correction. A fractional optimal control (FOC) problem is then formulated a
Externí odkaz:
https://doaj.org/article/8e93bce7e0a54bca9dfa53782c73d6b0
Autor:
Silvério Rosa, Delfim F. M. Torres
Publikováno v:
Mathematics, Vol 11, Iss 6, p 1511 (2023)
In this article, we develop a simple mathematical GNU Octave/MATLAB code that is easy to modify for the simulation of mathematical models governed by fractional-order differential equations, and for the resolution of fractional-order optimal control
Externí odkaz:
https://doaj.org/article/16a6204afec149fb8a81f9262fbfcd9b
Autor:
Silvério Rosa, Delfim F. M. Torres
Publikováno v:
Axioms, Vol 11, Iss 4, p 170 (2022)
A fractional-order compartmental model was recently used to describe real data of the first wave of the COVID-19 pandemic in Portugal [Chaos Solitons Fractals 144 (2021), Art. 110652]. Here, we modify that model in order to correct time dimensions an
Externí odkaz:
https://doaj.org/article/4f15d42bcd4d427c9a31370bfc026650
Autor:
Silvério Rosa, Delfim F. M. Torres
Publikováno v:
Fractal and Fractional, Vol 5, Iss 4, p 261 (2021)
A Caputo-type fractional-order mathematical model for “metapopulation cholera transmission” was recently proposed in [Chaos Solitons Fractals 117 (2018), 37–49]. A sensitivity analysis of that model is done here to show the accuracy relevance o
Externí odkaz:
https://doaj.org/article/c2cca3a5b3574e67ad027b6401de579a
Autor:
Rito, Ana, Mendes, Sofia, Figueira, Inês, Faria, Maria do Carmo, Carvalho, Rita, Santos, Teresa, Cardoso, Susana, Feliciano, Elsa, Silvério, Rosa, Sancho, Teresa Sofia, Dinis, Ana, Rascôa, Carla Lacerda, Batista, Catarina, Cruz, Rachel, Marques, Carla
Autores: Ana Rito – Centro Colaborativo da Organização Mundial da Saúde para a Nutrição e Obesidade Infantil, Departamento de Alimentação e Nutrição do Instituto Nacional de Saúde Doutor Ricardo Jorge; Sofia Mendes, Inês Figueira – Cen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2016::65f0c0f9f385f951769b88921f2949fd
https://hdl.handle.net/10400.18/8630
https://hdl.handle.net/10400.18/8630
Publikováno v:
Reflexão & Ação, Vol 27, Iss 1, Pp 151-165 (2019)
O artigo reflete sobre questões disciplinares no ensino superior. Trata-se de uma investigação em abordagem qualiquantitativa, cujo desenvolvimento envolveu pesquisa bibliográfico-documental e de campo. A pesquisa de campo se deu em um curso de M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d5fcca40d14ef0fcdad52f3c233db12
https://doi.org/10.17058/rea.v27i1.12100
https://doi.org/10.17058/rea.v27i1.12100
Autor:
Noura Yousfi, Delfim F. M. Torres, Adnane Boukhouima, Silvério Rosa, El Mehdi Lotfi, Marouane Mahrouf
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
We investigate the celebrated mathematical SICA model but using fractional differential equations in order to better describe the dynamics of HIV-AIDS infection. The infection process is modelled by a general functional response and the memory effect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f92753aa09f59417a95717a9f9695163
http://arxiv.org/abs/2012.04819
http://arxiv.org/abs/2012.04819
Publikováno v:
Mathematical Modelling of Natural Phenomena. 17:28
An ecological system comprehended by a pest and its natural enemy, the predator, is considered. Parameters of system are time dependent in order to accompany their variations associated to climate evolutions. Combining the use of pesticides and of ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f210e7174d00cba34e71b903eddcec7b
https://doi.org/10.1051/mmnp/2022033
https://doi.org/10.1051/mmnp/2022033
Autor:
Delfim F. M. Torres, Silvério Rosa
Publikováno v:
Fractal and Fractional; Volume 5; Issue 4; Pages: 261
Fractal and Fractional, Vol 5, Iss 261, p 261 (2021)
Fractal and Fractional, Vol 5, Iss 261, p 261 (2021)
A Caputo-type fractional-order mathematical model for "metapopulation cholera transmission" was recently proposed in [Chaos Solitons Fractals 117 (2018), 37--49]. A sensitivity analysis of that model is done here to show the accuracy relevance of par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc934e2f82a5484d96557187758654c5
https://doi.org/10.3390/fractalfract5040261
https://doi.org/10.3390/fractalfract5040261
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