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Evaluation of air pollution control policies in Mexico City using finite Markov chain observation model
Evaluation of air pollution control policies in Mexico City using finite Markov chain observation model
(2010-04-09)
This paper proposes a Markov observation based model, where the transition ma-trix is formulated using air quality monitoring data for specific pollutant emissions,with the primary objective to analyze the corresponding ...
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 ...
Valores propios asociados al operador de Hill unidimensional. Caso general.
Valores propios asociados al operador de Hill unidimensional. Caso general.
(2009-02-25)
We study Hill’s equation with general boundary conditions and white noise potential.In [3] they solve the problem with Dirichlet conditions, leaving the general case unresolved.The problem is important both from the ...
Algebraic jet spaces and Zilber’s dichotomy in DCFA
Espacios de jets algebraicos y la dicotomía de Zilber en DCFA
(2010-04-16)
This is the first of two papers devoted to the proof of Zilber’s dichotomy for the case of difference-differential fields of characteristic zero. In this paper we use the techniques exposed in [9] to prove a weaker version ...
About the exact and asymptotic distribution of the Gini coefficient
(2010-04-09)
In this paper we deal with the distribution of the Gini Concentration Index (G).We derive its exact sample distribution which is useful only for small sample sizesand basing on the classic results for L-statistics of Egorov ...
Estudio de opinión sobre el T.L.C. con EE.UU.
Estudio de opinión sobre el T.L.C. con EE.UU.
(2009-02-25)
We expose the results of an opinion survey on the Free Trade Agreement with theUnited States of America. The technique of Principal Component Analysis helped usto reveal the subjacent opinion in the Costarican comunity. ...
Circular chains of chinese dice
Cadenas circulares de dados chinos
(2010-04-16)
In this paper we study Chinese dice, mathematical objects similar to ordinary dice but allowing repetition among their face values.We say that a die A is preferred over a die B (written A B) if A wins more frequently ...
Optimal design of networks and routing of computers: practical case
Diseño óptimo de redes y enrutamiento de computadoras: Caso Práctico
(2010-04-16)
This work introduced to the problem of routering and optimum design of networks of computers that must satisfy certain practical conditions of interconnectivity. This paper show an approach style Steiner problems, and ...
Principal Component and Regression Analysis for Categorical Data.Application to Arterial Hypertension.
Análisis de Componentes Principales y Análisis de Regresión para Datos Categóricos. Aplicación en la Hipertensión Arterial.
(2010-07-02)
The present work is about the statistical processing of categorical data. The mathematical details of the Categorical Principal Components and the Categorical Regression Analysis are explained.The combination of both ...
Simulated Annealing–Golden section algorithm for the multiproduct replenishment problem with stochastic demand.
Algoritmo recocido simulado–sección dorada para el problema de reaprovisionamiento multiproducto con demanda estocástica
(2010-07-02)
The joint replenishment problem (JRP) has been studied for over 30 years and there are both heuristic and exact algorithms to determine the frequency of orders and fundamental cycle; in recent years ithas been considered ...