Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Juan Carlos Hernández Gómez"'
1
Akademický článek
A predator-prey fractional model with disease in the prey species
Autor: Ilse Domínguez-Alemán, Itzel Domínguez-Alemán, Juan Carlos Hernández-Gómez, Francisco J. Ariza-Hernández
Publikováno v: Mathematical Biosciences and Engineering, Vol 21, Iss 3, Pp 3713-3741 (2024)
In this paper, we study a generalized eco-epidemiological model of fractional order for the predator-prey type in the presence of an infectious disease in the prey. The proposed model considers that the disease infects the prey, causing them to be di
Externí odkaz: https://doaj.org/article/b7c64d3f3f18429485565d91c180191b
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2
Akademický článek
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3
Akademický článek
On the Total Outer k-Independent Domination Number of Graphs
Autor: Abel Cabrera-Martínez, Juan Carlos Hernández-Gómez, Ernesto Parra-Inza, José María Sigarreta Almira
Publikováno v: Mathematics, Vol 8, Iss 2, p 194 (2020)
A set of vertices of a graph G is a total dominating set if every vertex of G is adjacent to at least one vertex in such a set. We say that a total dominating set D is a total outer k-independent dominating set of G if the maximum degree of the subgr
Externí odkaz: https://doaj.org/article/c040516f69a34f8aaaa39cd988bee4dd
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4
Akademický článek
On a generalized Klausmeier model.
Autor: Cruz de la Cruz, Martha Paola, Alfonso Santiesteban, Daniel, Martín Álvarez, Luis Miguel, Abreu Blaya, Ricardo, Juan Carlos, Hernández-Gómez
Publikováno v: Mathematical Biosciences & Engineering; 2023, Vol. 20 Issue 9, p16447-16470, 24p
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5
On the Quasi-Total Roman Domination Number of Graphs
Autor: Abel Cabrera Martínez, José M. Sigarreta, Juan Carlos Hernández-Gómez
Publikováno v: Mathematics, Vol 9, Iss 2823, p 2823 (2021)
Mathematics
Volume 9
Issue 21
Domination theory is a well-established topic in graph theory, as well as one of the most active research areas. Interest in this area is partly explained by its diversity of applications to real-world problems, such as facility location problems, co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee34ab49f3578c7e87cc7494bc100577
https://www.mdpi.com/2227-7390/9/21/2823
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6
General Properties on Differential Sets of a Graph
Autor: Juan Carlos Hernández-Gómez, José M. Sigarreta, Ludwin A. Basilio, Sergio Bermudo
Publikováno v: Axioms
Volume 10
Issue 4
Axioms, Vol 10, Iss 265, p 265 (2021)
Let G=(V,E) be a graph, and let β∈R. Motivated by a service coverage maximization problem with limited resources, we study the β-differential of G. The β-differential of G, denoted by ∂β(G), is defined as ∂β(G):=max{|B(S)|−β|S|suchthatS
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df0aaf243fdad6e47b9920ec22cc1e13
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7
Total k-domination in strong product graphs
Autor: Sergio Bermudo, José M. Sigarreta, Juan Carlos Hernández-Gómez
Publikováno v: Discrete Applied Mathematics. 263:51-58
Let G = ( V , E ) be a graph, a set S ⊆ V is a total k -dominating set if every vertex v ∈ V has at least k neighbors in S . The total k -domination number γ k t ( G ) is the minimum cardinality among all total k -dominating sets. In this paper,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9cdc6b815d0e1aa953ee15bd0ecc3da
https://doi.org/10.1016/j.dam.2018.03.043
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8
El Contraejemplo en la Elaboración de la Definición de Función Convexa por Estudiantes Universitarios
Autor: José María Sigarreta-Almira, Edgardo Locia-Espinoza, Juan Carlos Hernández-Gómez, Armando Morales-Carballo
Publikováno v: Información tecnológica v.30 n.1 2019
SciELO Chile
CONICYT Chile
instacron:CONICYT
RESUMEN: En este artículo se reportan los resultados de una investigación que tuvo como objetivo identificar el papel que juega el contraejemplo en la elaboración de definiciones matemáticas. En particular se analizó el caso de la función conve
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aeb7bde78be3ea2c5ba2317079926314
https://doi.org/10.4067/s0718-07642019000100185
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9
Transitivity on Minimum Dominating Sets of Paths and Cycles
Autor: Gerardo Reyna-Hérnandez, Jesús Romero-Valencia, Omar Rosario Cayetano, Juan Carlos Hernández-Gómez
Publikováno v: Symmetry
Volume 12
Issue 12
Symmetry, Vol 12, Iss 2053, p 2053 (2020)
Transitivity on graphs is a concept widely investigated. This suggest to analyze the action of automorphisms on other sets. In this paper, we study the action on the family of &gamma
sets (minimum dominating sets), the graph is called &gamma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::905b0361f560c133ed60c3b8532158ca
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10
Hábitos alimentarios de los peces Euthynnus lineatus y Scomberomorus sierra (Perciformes: Scombridae) en el Pacífico Tropical Oriental
Autor: Genoveva Cerdenares Ladrón de Guevara, Juan Carlos Hernández Gómez, Adriana Sandoval Ramírez, Agustín A. Rojas Herrera, Juan Violante González, Sergio García Ibáñez
Publikováno v: Revista de Biología Tropical, Volume: 68, Issue: 4, Pages: 1073-1083, Published: DEC 2020
Revista de Biología Tropical; Vol. 68 No. 4 (2020): Revista de Biología Tropical (Int. J. Trop. Biol.): Continuous publication, October-December 2020; 1073-1083
Revista de Biología Tropical; Vol. 68 Núm. 4 (2020): Revista de Biología Tropical (Int. J. Trop. Biol.): Publicación continua, Octubre-Diciembre 2020; 1073-1083
Revista Biología Tropical; Vol. 68 N.º 4 (2020): Revista de Biología Tropical (Int. J. Trop. Biol.): Publicación continua, Octubre-Diciembre 2020; 1073-1083
Portal de Revistas UCR
Universidad de Costa Rica
instacron:UCR
Introduction: Black skipjack, Euthynnus lineatus, and Pacific sierra, Scomberomorus sierra, are of great economic importance in the small-scale fishery of the Tropical Eastern Pacific and in particular in the study area. Objectives: The objectives of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b13db152adeb32517803a370bb10eb2
https://doi.org/10.15517/rbt.v68i4.40588
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