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Estimación de la proporción de una subpoblación oculta a través de muestreo por “bola de nieve” estratificado 

Sarmiento-Rondón, William B. (2008)
The inference process is inefficient when employing conventional sampling tech- niques to sample from hidden populations and those of difficult access. The method of sampling by reference or “Link-Tracing” (“Snowball ...
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Estrategias de control óptimas en la propagación de enfermedades en poblaciones acopladas 

Alpízar-Brenes, Geisel Y. (2011-08)
En varias investigaciones se ha estudiado la aplicación de diversas estrategias de control en la propagación de enfermedades en una población dada. Ahora bien, tarea difícil es encontrar la combinación de estrategias que ...
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An estimate of the basic reproductive number, R0, for the 2015-2016 zika virus outbreak in Puerto Rico 

Pabón-Rodríguez, Félix M. (2018-05)
In recent years, vector-borne diseases are taking serious attention from researchers and health specialist across the world. The emergence of vector-borne diseases, such as Chikungunya and Zika, coupled with outbreaks ...
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Interior operators in the category of groups 

Medina-Droz, Emanuel (2015-05)
A previously introduced notion of categorical interior operator is studied in the category of groups. The main purpose of this research is to try to find out how many of the general results that hold for a categorical ...
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Towards a solution of the transient problem for Boolean monomial dynamics 

Téran-Batista, Xavier A. (2014-06)
A problem of interest in finite dynamical systems is to determine when such a system reaches equilibrium, i.e., under what conditions is it a fixed point system. Moreover, given a fixed point system, how many time steps ...
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Clasificación noparamétrica en datos direccionales 

Velasco-Forero, Santiago A. (2004)
In a supervised classification problem, when the vectors of data are direction- al, it means, that they take values on a k-dimensional sphere, the application of the algorithms of pattern recognition as k-nearest-neighbour ...
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Solving linear boundary value problems for linear systems of ordinary differential equations 

Rodríguez Molina, Marcos Javier (2019-12-09)
This research studies the behavior of a numerical technique, known as Continuous Orthonormalization (CO), when computing the eigenfunction for the Orr-Sommerfeld equation (OSE). The hydrodynamic stability region of moving ...
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Interior operators and T1 topological spaces 

Cortez-Portillo, Henrry J. (2018-05)
A general notion of T1-separation with respect to an arbitrary interior operator is introduced in the category Top of topological spaces. This is done by means of the concept of categorical interior operator. This naturally ...
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A new preconditions for solving linear systems with symmetric Z-matrices 

Cajigas-Santiago, Jesús (2012-05)
There are many preconditioners for linear systems, for example, P = I + Smax developed by Kotakemori in [9] and its extension P˜ developed by Arenas & Yong in [1]. These preconditioners were built to speed up the convergence ...
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Acerca de las formas torcidas sobre los grupos lineales algebraicos 

Uribe-Guerra, Gabriel D. (2008)
Working from the Galois theory, we define linear groups via group schemes. We study different properties of these groups such as connectedness, Lie algebras associated to them, which determine their smoothness. Lastly we ...
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AuthorAbdalla-Mukhaimer, Widad (1)Acosta-Archila, Felipe H. (1)Alpízar-Brenes, Geisel Y. (1)Alvarado-Hernández, Arlin J. (1)Alvarado-Hernández, Arlin J. (1)Alvarado-Zavala, Devis M. (1)Alvarez, Michael (1)Angarita-Valderrama, Andrea Katherine (1)Aparicio-Carrasco, Ana M. (1)Aparicio-Carrasco, Roxana K. (1)... View MoreAdvisorAcuña-Fernández, Edgar (18)Quintana-Díaz, Julio C. (11)Castellini, Gabriele (10)Lorenzo-González, Edgardo (9)Castillo, Paul E. (8)Macchiavelli, Raúl E. (8)Ortiz-Albino, Reyes M. (8)Colón-Reyes, Omar (6)Ortiz-Navarro, Juan A. (6)Portnoy, Arturo (6)... View MoreKeywordsVariables (12)Estimation (5)Algorithms (4)Cluster analysis (4)Topological spaces (4)Closure operators (3)Factor (3)Galois modules (Algebra) (3)Local Discontinuous Galerkin (3)Multivariate analysis (3)... View MoreSubject HeadingAlgorithms (14)Variables (Mathematics) (14)Factorization (Mathematics) (10)Multivariate analysis (10)Bayesian statistical decision theory (7)Dynamics (7)Galerkin methods (6)Matrices (6)Numerical analysis (6)Parameter estimation (6)... View MoreTypeThesis (162)Project Report (5)Dissertation (2)Date2020 - 2021 (6)2010 - 2019 (104)2004 - 2009 (58)Department
Department of Mathematics (168)
ProgramMathematical Statistics (59)Pure Mathematics (48)Applied Mathematics (37)Scientific Computing (11)Computer Science (5)Statistics (4)Science in Scientific Computing (3)Computing and Information Sciences and Engineering (1)CollectionTheses & Dissertations (168)

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