Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Antonio Iván Ruiz-Chaveco"'
Sobre el acotamiento de las soluciones y existencia de ciclo límite de una ecuación de segundo orden
Publikováno v:
Revista Integración, Vol 24, Iss 2, Pp 69-75 (2006)
En el presente trabajo se demuestra una condición necesaria y suficiente para el acotamiento de todas las soluciones de la ecuaciónx′′ + g(x)x′ + a(t)f (x)h(x′ ) = 0. Además, para el caso particular en que a(t) = 1 para todo t ≥ 0, se de
Externí odkaz:
https://doaj.org/article/e19b1e19846447c5b9c91a5ab80604a8
Publikováno v:
International Journal of Applied Science and Engineering Review. :75-86
In this paper an analysis is made of the characteristics that the infection process by means of the SARS-CoV2 coronavirus must present so that multiple waves can appear. A model is made that simulates this process according to the sign of the precedi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16184e565a6fcaf272eba277ed7723e9
https://doi.org/10.52267/ijaser.2022.3309
https://doi.org/10.52267/ijaser.2022.3309
Publikováno v:
International Journal of Applied Science and Engineering Review. :32-42
In this article, a study is made of the main characteristics and functions of the cardiovascular system and the lungs, indicating how they unite to be able to bring oxygenated blood to the different cells of the human organism, as well as other essen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08e534c844331d887cd0f0cbbfa8aca6
https://doi.org/10.52267/ijaser.2022.3603
https://doi.org/10.52267/ijaser.2022.3603
Publikováno v:
International Journal of Engineering Science Technologies. 7
In the present work, a study is made of the development of epidemics, in particular the one referring to the epidemic transmitted by SAR CoV 2; a model is developed through a system of Differential Equations that simulates this process, the system is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f99cb7044282eee215481a5058d8f702
https://doi.org/10.29121/ijoest.v7.i1.2023.418
https://doi.org/10.29121/ijoest.v7.i1.2023.418
This paper presents an analysis of the characteristics of the model to simulate the process of infection by COVID 19 in Wuhan China, a set of observations are indicated that represent the bases for its modification and a qualitative study is carried
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3082487c5b856878a037740a8761390a
Autor:
Annia Ruiz Sánchez, Daniela Sara Rodrı́guez Salmon, Sandy Sánchez Domı́nguez, Yuri Alcántara Olivero, Adolfo Arsenio Fernández Garcı́a, Isabel Martén Powell, Antonio Iván Ruiz Chaveco
In the present work we analyze how physical exercises can influence the increase of a person’s immunity; a study of the different types of pathogens is carried out, in particular the characteristics of viruses, their manifestations and appearance a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d239182dd8c8482d5a2859f3e763a02f
Autor:
Marcelo Lacortt, Leide Maria Leão Lopes, Zequias Ribeiro Montalvam, Antonio Iván Ruiz Chaveco, Rainey Ferreira do Nascimento, Sandy Sánchez Dominguez, Adolfo Fernández Garcia
Publikováno v:
Revista CIATEC-UPF. 10:1-13
No presente trabalho se faz um estudo da situação que se apresenta no Brasil com relação à sicklemia, indicando-se aqueles grupos de pessoas, principalmente por rasas, para os quais é mais comum essa doença. Introduz-se um sistema de equaçõe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4894b8529118a93cb1a5dede5abeda5
https://doi.org/10.5335/ciatec.v10i2.6515
https://doi.org/10.5335/ciatec.v10i2.6515
Autor:
Antonio Iván Ruiz Chaveco
Esta coletânea é composta por um conjunto de artigos na área de Modelagem Matemática que representam os principais trabalhos de um grupo de pesquisa que teve início com trabalho dos doutores Carlos Cabal Mirabal e Antonio Iván Ruiz Chaveco, na
Autor:
Ana Maria Libório de Oliveira, Edilson de Carvalho Filho, Pedro Castañeda Porras, Elenilson de Vargas Fortes, Sammya Christina de Oliveira Alves, Pedro Gilberto Silveira de Quadros, Elio Crespo Madera, Oscar Antonio González Chong, Antonio Iván Ruiz Chaveco
Publikováno v:
CÁLCULO COM FATOS HISTÓRICOS: funções de várias variáveis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4c77cb17702e3b643123c7a71026886
https://doi.org/10.24824/978854440646.5
https://doi.org/10.24824/978854440646.5
Publikováno v:
Revista Integración, Vol 17, Iss 1 (1999)
En este artículo estudiamos el comportamiento de las soluciones de la ecuación de segundo orden no lineal amortiguada x''+\phi(t,x,x') + a(t)g(x)k(x')=0, sin la condición signum: x,g(x)>0, si x es diferente de 0. Establecemos condiciones suficient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::11ef6f7feecc0d43a47445564502b7ef
https://revistas.uis.edu.co/index.php/revistaintegracion/article/view/876
https://revistas.uis.edu.co/index.php/revistaintegracion/article/view/876