Juan Antonio Pichardo-Corpus

Juan Antonio Pichardo-Corpus
El Colegio de la Frontera Norte · Departamento de Estudios Urbanos y del Medio Ambiente

Doctor of Science Technology and Society

About

12
Publications
1,209
Reads
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9
Citations
Additional affiliations
November 2017 - November 2020
Centro de investigación en Ciencias de Información Geospacial, A. C.
Position
  • Researcher
Description
  • Spatio temporal modelling of cities and regions.
January 2017 - June 2017
Centro de Investigación en Matemáticas (CIMAT)
Position
  • Professor
Description
  • Redes Complejas: teoría y aplicaciones
September 2016 - August 2017
Centro de Investigación en Matemáticas (CIMAT)
Position
  • PostDoc Position
Description
  • Theory and applications of complex networks
Education
September 2012 - August 2016
March 2007 - February 2009
Universidad Michoacana de San Nicolás de Hidalgo
Field of study
  • Mathematics Education
August 2000 - June 2004
Escuela Normal Superior Oficial de Guanajuato
Field of study
  • Mathematics Education

Publications

Publications (12)
Article
Full-text available
The occurrence of higher ground-level O3 concentrations on weekends rather than on weekdays, despite reduced anthropogenic activity in urban areas, is known as the O3 weekend effect (OWE). Here, we present an approach to analyse OWE spatio-temporal variations in urban areas, integrated by the trend, prediction and network representation. We used da...
Article
Measuring differences among complex networks is a well-studied research topic. Particularly, in the context of brain networks, there are several proposals. Nevertheless, most of them address the problem considering unweighted networks. Here, we propose a metric based on modularity and Jaccard index to measure differences among brain-connectivity we...
Preprint
Full-text available
We study the impact of the brain tractography false positives in the brain connectivity graphs. The representative input database for the analysis is the set of tractograms from the participants on the ISMRM-2015 Tractography Challenge. We propose 2 novel metrics to rank the quality of a tractogram when it is compared with known ground truth. The r...
Article
Light pollution is an environmental problem produced by an unjustified escalation of upward propagated artificial lighting from inaccurately situated or designed artificial night lighting systems. The radiative transfer of the nocturnal artificial lighting in cities spreads spatio-temporally with a certain randomness, where the modelling through ne...
Conference Paper
Full-text available
Land use change is a global phenomenon that impacts directly to the urban growth and it should be addressed from different disciplines to minimize the potential negative effects of urbanization predicting the spatial urban growth. The urban growth dynamics might be very complicated and difficult to model, nevertheless it is necessary to understand...
Article
Communicability functions quantify the flow of information between two nodes of a network. In this work, we use them to explore the concept of the influence of a paper in a citation network. These functions depend on a parameter. By varying the parameter in a continuous way we explore different definitions of influence. We study six citation networ...
Article
Full-text available
Los errores son parte del proceso en la investigación científica. Las correcciones a estos errores se hacen normalmente en artículos llamados, entre otros nombres, errata o erratum. La investigación sobre estas erratas ha sido, en áreas de investigación y revistas, muy específica. Así, en este artículo estudiamos la tasa de erratas en las veintisie...
Article
Full-text available
Here, we present an assessment of long-term trends in the O 3 weekend effect (WE) occurrences and spread within the Mexico City (MCMA), Guadalajara (GMA), and Monterrey (MMA) metropolitan areas, which are the three largest metropolitan areas (MAs) of Mexico and concentrate around 33% of the total population in the country. Daytime averages and peak...
Chapter
Full-text available
El uso de redes para modelar algún fenómeno, desde el punto de vista matemático, se ha extendido ampliamente y las redes del narcotráfico no son la excepción. En esa dirección, se presentan varios conceptos matemáticos asociados con el análisis de redes, que se han estudiado en el contexto de las redes del narcotráfico. En paralelo, se desarrolla u...
Poster
Full-text available
Centrality measures are fundamental in network science, because we can find the most important node in the network with them. It is known that many centrality measures are highly correlated. Some of them can be viewed as matrix functions and their limiting behavior is knows. Those results are valid in connected networks and strongly connected n...
Article
Full-text available
We present an analysis between research article published in 1974 which alerted the world about the loss of the ozone layer and in parallel on one of its authors, Mario Molina. We review how the study came about and which were its societal consequences out of the academic scientific ambit. Through this particular point of view we characterize the r...
Conference Paper
Full-text available
En este trabajo se analiza un problema geométrico planteado en un contexto que puede resultar atractivo para los estudiantes, que involucra conceptos fundamentales del currículum como punto medio de un segmento, mediatriz, circunferencia. Existe una gran diversidad entre las posibles representaciones que toma la configuración del problema, debido a...

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