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Listar Artículos (Matemática Aplicada I) por autor "Atienza Martínez, María Nieves"
Mostrando ítems 1-14 de 14
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A new condition for identifiability of finite mixture distributions
Atienza Martínez, María Nieves; García Heras, Joaquín; Muñoz Pichardo, Juan Manuel (Springer, 2006)In this paper a sufficient condition for the identifiability of finite mixtures is given. This condition is less restrictive ...
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A new entropy based summary function for topological data analysis
Atienza Martínez, María Nieves; González Díaz, Rocío; Soriano Trigueros, Manuel (Elsevier, 2018)Topological data analysis (TDA) aims to obtain useful information from data sets using topological concepts. In particular, ...
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A new topological entropy-based approach for measuring similarities among piecewise linear functions
Rucco, Matteo; González Díaz, Rocío; Jiménez Rodríguez, María José; Atienza Martínez, María Nieves; Cristalli, Cristina; Concettoni, Enrico; Ferrante, Andrea; Merelli, Emanuela (Elsevier, 2017)In this paper we present a novel methodology based on a topological entropy, the so-called persistent entropy, for ...
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An application of mixture distributions in modelization of length of hospital stay
Atienza Martínez, María Nieves; García Heras, Joaquín; Muñoz Pichardo, Juan Manuel; Villa Caro, Rafael (Wiley, 2008)Length of hospital stay (LOS) is an important indicator of the hospital activity and management of health care. The ...
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Balanced Islands in Two Colored Point Sets in the Plane
Aichholzer, Oswin; Atienza Martínez, María Nieves; Díaz Báñez, José Miguel; Fabila Monroy, Ruy; Flores Peñaloza, David; Pérez Lantero, Pablo; Vogtenhuber, Birgit; Urrutia, Jorge (Elsevier, 2018) -
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Consistency of Maximum Likelihood Estimators in Finite Mixture Models of the Union of the Union of W-Type Families
Atienza Martínez, María Nieves; García Heras, Joaquín; Muñoz Pichardo, Juan Manuel (Taylor and Francis, 2005)In finite mixture models, maximum likelihood estimators have good properties, such as efficiency, consistency, and asymptotic ...
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Cover Contact Graphs
Atienza Martínez, María Nieves; Castro Ochoa, Natalia de; Cortés Parejo, María del Carmen; Garrido Vizuete, María de los Angeles; Grima Ruiz, Clara Isabel; Hernández, Gregorio; Márquez Pérez, Alberto; Moreno, Auxiliadora; Nöllenburg, Martin; Portillo Fernández, José Ramón; Reyes Colume, Pedro; Valenzuela Muñoz, Jesús; Villar Liñán, María Trinidad; Wolff, Alexander (2007)We study problems that arise in the context of covering certain geometric objects (so-called seeds, e.g., points or disks) ...
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Cover contact graphs
Atienza Martínez, María Nieves; Castro Ochoa, Natalia de; Cortés Parejo, María del Carmen; Garrido Vizuete, María de los Angeles; Grima Ruiz, Clara Isabel; Hernández, Gregorio; Márquez Pérez, Alberto; Moreno González, Auxiliadora; Nöllenburg, Martin; Portillo Fernández, José Ramón; Reyes Colume, Pedro; Valenzuela Muñoz, Jesús; Villar Liñán, María Trinidad; Wolff, Alexander (2012)We study problems that arise in the context of covering certain geometric objects called seeds (e.g., points or disks) ...
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Liaison-psychiatry: Reasons for consultation, diagnosis, and differences between medical and surgical patients
Ruiz Doblado, S.; Atienza Martínez, María Nieves; Lacalle Remigio, Juan Ramón (Cambridge University Press, 1999) -
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On the consistency of MLE in finite mixture models of exponential families
Atienza Martínez, María Nieves; García Heras, Joaquín; Muñoz Pichardo, Juan Manuel; Villa Caro, Rafael (Elsevier, 2007)Finite mixtures of densities from an exponential family are frequently used in the statistical analysis of data. Modelling ...
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On the stability of persistent entropy and new summary functions for Topological Data Analysis
Atienza Martínez, María Nieves; González Díaz, Rocío; Soriano Trigueros, Manuel (Cornell University, 2018)Persistent entropy of persistence barcodes, which is based on the Shannon entropy, has been recently defined and successfully ...
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Persistent entropy for separating topological features from noise in vietoris-rips complexes
Atienza Martínez, María Nieves; González Díaz, Rocío; Rucco, Matteo (Springer, 2019)Persistent homology studies the evolution of k-dimensional holes along a nested sequence of simplicial complexes (called ...
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Persistent entropy: a scale-invariant topological statistic for analyzing cell arrangements
Atienza Martínez, María Nieves; Escudero Cuadrado, Luis María; Jiménez Rodríguez, María José; Soriano Trigueros, Manuel (Cornell University, 2019)In this work, we develop a method for detecting differences in the topological distribution of cells forming epithelial ...
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Stable topological summaries for analyzing the organization of cells in a packed tissue
Atienza Martínez, María Nieves; Jiménez Rodríguez, María José; Soriano Trigueros, Manuel (MDPI, 2021)We use topological data analysis tools for studying the inner organization of cells in segmented images of epithelial ...