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Browsing by UPV Unit "Universitat Politècnica de València. Instituto Universitario de Matemática Pura y Aplicada - Institut Universitari de Matemàtica Pura i Aplicada"

Now showing items 1-20 of 317

A Bishop-Phelps-Bollobas Type Theorem for uniform algegras

Cascales, B.; Guirao Sánchez, Antonio José; Kadets, V. (Elsevier, 2013-06-20)

This paper is devoted to showing that Asplund operators with range in a uniform Banach algebra have the Bishop¿Phelps¿Bollobas property, i.e., they are approximated by norm attaining Asplund operators at the same time ...
A fixed point theorem for generalized contractions involving w-distances on complete quasi-metric spaces

Alegre Gil, Maria Carmen; Marín Molina, Josefa; Romaguera Bonilla, Salvador (SpringerOpen, 2014-02)

We obtain a fixed point theorem for generalized contractions on complete quasi-metric spaces, which involves w-distances and functions of Meir-Keeler and Jachymski type. Our result generalizes in various directions the ...
A happiness degree predictor using the conceptual data structure for deep learning architectures

Perez-Benito, Francisco Javier; Villacampa-Fernandez, Patricia; Conejero, J. Alberto; Garcia-Gomez, Juan M; NAVARRO-PARDO, ESPERANZA (Elsevier, 2019-01)

[EN] Background and Objective: Happiness is a universal fundamental human goal. Since the emergence of Positive Psychology, a major focus in psychological research has been to study the role of certain factors in the ...
A Modular Synthetic Device to Calibrate Promoters

Gamermann, Daniel; Montagud Aquino, Arnau; Aparicio, P.; Navarro-Peris, Emilio; Triana, J.; Villatoro, F.R.; Urchueguía Schölzel, Javier Fermín; Fernández de Córdoba, Pedro (WORLD SCIENTIFIC PUBL CO PTE LTD, 2012-03)

[EN] In this contribution, a design of a synthetic calibration genetic circuit to characterize the relative strength of different sensing promoters is proposed and its specifications and performance are analyzed via an ...
A new approach to occupancy map modeling in navigation assisted by computer vision

Riquelme Madrona, Julio; Ortigosa, Nuria; Magal Royo, Teresa; Morillas, Samuel; Peris Fajarnes, Guillermo (2011)

[EN] Occupancy grid maps have been widely used in robotics for navigation assistance. Most of the current occupancy maps use grids based on Cartesian coordinates. In this paper, we introduce a new approach to occupancy map ...
A non-linear approach to signal processing bymeans of vector measure orthogonal functions

García-Raffi, L. M.; Jiménez Fernández, Eduardo; Sánchez Pérez, Enrique Alfonso (European Mathematical Society, 2013-06)

[EN] Sequences of real functions that are orthogonal with respect to a vector measure are a natural generalization of the orthogonal systems with respect to a parametric measure. In this paper we develop a new procedure ...
A note about Volterra operators on weighted Banach spaces of entire functions

Bonet Solves, José Antonio; Taskinen, Jari (Wiley-VCH Verlag, 2015-08)

We characterize boundedness, compactness and weak compactness of Volterra operators Vg acting between different weighted Banach spaces H∞ v (C) of entire functions with sup-norms in terms of the symbol g; thus we ...
A note in approximative compactness and continuity of metric projections in Banach spaces

Guirao Sánchez, Antonio José; Montesinos Santalucia, Vicente (Heldermann Verlag, 2011)

[EN] We give a counterexample to a recent statement in the metric approximation theory and provide a setting where the statement holds.
A note on finite PST-groups

Ballester Bolinches, Adolfo; Esteban Romero, Ramón; Ragland, Matthew F. (Walter de Gruyter, 2007-03)

[EN] A finite group G is said to be a PST-group if, for subgroups H and K of G with H Sylow-permutable in K and K Sylow-permutable in G, it is always the case that H is Sylow-permutable in G. A group G is a T*-group if, ...
A note on local bases and convergence in fuzzy metric spaces

Gregori Gregori, Valentín; Miñana Prats, Juan José; Morillas Gómez, Samuel (Elsevier, 2014-02-15)

In the context of fuzzy metrics in the sense of George and Veeramani, we study when certain families of open balls centered at a point are local bases at this point. This question is related to p-convergence and ...
A Probabilistic Classification Procedure Based on Response Time Analysis Towards a Quick Pre-Diagnosis of Student's Attention Deficit

Hernaiz-Guijarro, M.; Castro-Palacio, J. C.; Navarro Pardo, E.; Isidro, J.M.; Fernández de Córdoba, Pedro (MDPI AG, 2019-05)

[EN] A classification methodology based on an experimental study is proposed towards a fast pre-diagnosis of attention deficit. Our sample consisted of school-aged children between 8 and 12 years from Valencia, Spain. The ...
A question from the Kourovka Notebook on formation products

Ballester Bolinches, Adolfo; Calvo Lopez, Clara; Esteban Romero, Ramón (Cambridge University Press, 2003-12)

[EN] It is shown in this paper that if X is a class of simple groups such that pi(X) = char X, the X-saturated formation H generated by a finite group cannot be expressed as the Gaschütz product F o G of two non-X-saturated ...
A question on partial CAP-subgroups of finite groups

Ballester Bolinches, Adolfo; Esteban Romero, Ramón; Li, Yangming (Springer and Science China Press, 2012-05)

A subgroup H of a finite group G is a partial CAP-subgroup of G if there is a chief series of G such that H either covers or avoids every chief factor of the series. The structural impact of the partial cover and avoidance ...
A simple fuzzy method to remove mixed Gaussian-Impulsive noise from color images

Camarena Estruch, Joan Gerard; Gregori Gregori, Valentín; Morillas, Samuel; Sapena Piera, Almanzor (Institute of Electrical and Electronics Engineers (IEEE), 2013-10-02)

Mixed impulsive and Gaussian noise reduction from digital color images is a challenging task because it is necessary to appropriately process both types of noise that in turn need to be distinguished from the original image ...
A Survey on Sylow Normalizers and Classes of Groups

D'Aniello, A.; Kazarin, L.S.; Martínez Pastor, Ana; Perez Ramos, Maria Dolores (HIKARI Ltd, 2014)

We report on a stream of research in relation with Sylow normalizers, i.e. normalizers of Sylow subgroups, of finite groups and group’s classes.
A teaching proposal for the study of Eigenvectors and Eigenvalues

Beltrán Meneu, María José; Murillo-Arcila, Marina; Jorda Mora, Enrique (Omnia Publisher SL, 2017)

[EN] In this work, we present a teaching proposal which emphasizes on visualization and physical applications in the study of eigenvectors and eigenvalues. These concepts are introduced using the notion of the moment of ...
A tree-based model for setting optimal train fare zones

Conejero Casares, José Alberto; Jordan Lluch, Cristina; Sanabria Codesal, Esther (Hindawi Publishing Corporation, 2014-09-11)

Given a railway line with n stops and the number of travelers between each pair of stops, we show how to split these stops into k different fare zones in order to maximize the benefit obtained from the sale of tickets to ...
Abel's Functional Equation and Eigenvalues of Composition Operators on Spaces of Real Analytic Functions

Bonet Solves, José Antonio; Domanski, Pawel (Springer Verlag (Germany), 2015-04)

We obtain full description of eigenvalues and eigenvectors of composition operators Cϕ : A (R) → A (R) for a real analytic self map ϕ : R → R as well as an isomorphic description of corresponding eigenspaces. We completely ...
Abscissas of weak convergence of vector valued Dirichlet series

Bonet Solves, José Antonio (Elsevier, 2015-12-15)

The abscissas of convergence, uniform convergence and absolute convergence of vector valued Dirichlet series with respect to the original topology and with respect to the weak topology σ(X, X ) of a locally convex space ...
Acondicionamiento acústico y simulación de un recinto de grabación

Aparisi Giménez, Rubén (Universitat Politècnica de València, 2013-02-13)

El objetivo principal del presente proyecto es acondicionar la sala para que tenga unas propiedades óptimas para la grabación sonora. Para ello, realizaremos la simulación de la misma en el software CATT-Acoustics. De ...