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Heuristic analysis of a near optimal approximation algorithm for the determination of investment options
Heuristic analysis of a near optimal approximation algorithm for the determination of investment options
(2009-02-20)
When cash becomes available in a company, there are several strategies that allowus to benefit from it. The problem is how much to invest, for how long, and using whichof the investment options in order to get the maximum ...
A Hybrid Random Number Generator(HRNG)
Un Generador Híbrido de Números Aleatorios
(2011-07-29)
The purpose of this paper is to present a novel Hybrid Random Number Generator (HRNG). Here “hybrid” refers to the fact that to construct this generator it is necessary to use 1)physical components – texts – and a physical ...
El problema del conjunto independiente en la selección de horarios de cursos
El problema del conjunto independiente en la selección de horarios de cursos
(2009-02-20)
Registration process at the Universidad Aut´onoma Metropolitana is such thatevery student is free to choose his/her own subjects and schedule. Success of thissystem, based in the percentage of students that obtain a place ...
Challenges for statistics teaching and teacher’s training in Mexico
Retos para la enseñanza y la formación de profesores de estadística en México
(2013-08-29)
This work will cover the problems that are found in teacher training and professional development in Probability and Statistics in higher education in Mexico. It will be approached through four focuses: a) the characterization ...
Regresión y análisis factoriales
Regresión y análisis factoriales
(2009-02-19)
Some recent developments in factor analysis of multi-sets are introduced in this short course. The more usual factor analyses are based on the singular values de-composition. So, the analyses of two matrices here are ...
Asymptotical analysis and Padé approximation in problems on diffusion-controlled cracks propagation
Análisis asintótico y aproximación de Padé en problemas de propagacion de grietas con difusión controlada
(2012-07-01)
In this work, we consider the diffusion-controlled axisymmetric fracture in an infinite space, and half-space. An important example of diffusion-controlled fracture growth is given by hydrogen induced cracking. In metals, ...
MORTALITY AMONG YOUNG NICARAGUAN IMMIGRANTS TO COSTA RICA: AN APPLICATION OF GEOGRAPHICALLY WEIGHTED STATISTICAL REGRESSION
MORTALIDAD ENTRE LOS INMIGRANTES NICARAGÜENSES EN COSTA RICA: UNA APLICACIÓN DE LA REGRESIÓN GEOGRÁFICA PONDERADA
(2014-07-01)
This paper applies a geographically weighted statistical regression (GWR) model to young Nicaraguan immigrant homicides in Costa Rica during the period 1998-2008 and identifies possible covariates. The pa- rameters for the ...
Grafos destinados al Análisis de datos Multivariante Condicionado por su Estructura
Grafos destinados al Análisis de datos Multivariante Condicionado por su Estructura
(2012-04-26)
We present two new methods for the construction of graphs that can be used with descriptive techniques of Multivariate Data Analysis: a graph based in the chi-square distance and a graph based in strongly-connected components. ...
Ultraproductos de f-anillos proyectables
Ultraproductos de f-anillos proyectables
(2009-02-18)
In [7], Keimel representes the projectable f-rings as continuous sections of Hausdorff sheaves of totally ordered rings. Here, we give a result about the representation of ultraporducts of projectable f-rings in terms of ...
El problema del multicubrimiento: una aplicación para la selección de paradas en la red de transporte de la Ciudad de México
El problema del multicubrimiento: una aplicación para la selección de paradas en la red de transporte de la Ciudad de México
(2009-02-20)
In this paper an heuristic algorithm is developed. Its implementation is developedas well, in order to solve a sampling problem in the urban transportation network in Mexico City. The problem consist of the selection of ...