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Ara es mostren els items 4786-4805 de 244457
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A MAP approach for convex non-negative matrix factorization in the diagnosis of brain tumors
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialConvex non-negative matrix factorization is a blind signal separation technique that has previously demonstrated to be well-suited for the task of human brain tumor diagnosis from magnetic resonance spectroscopy data. This ... -
A map characterizing the fuzzy points and columns of a T-indistinguishability operator
(2005-10)
Article
Accés obertA new map (ΛE) between fuzzy subsets of a universe X endowed with a T-indistinguishability operator E is introduced. The main feature of ΛE is that it has the columns of E as fixed points, and thus it provides us with a ... -
A Maple package for semidefinite programming
(1996-05-02)
Report de recerca
Accés obertWe present a package in Maple for solving Semidefinite Programming. Semidefinite Programming (SP) is the problem of optimizing a linear function of a symmetric matrix subject to linear equality constraints and ... -
A margin adaptive scheduling algorithm for FBMC/OQAM systems
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper addresses the margin adaptive problem for the filter bank multicarrier (FBMC) modulation based on the offset QAM (OQAM), referred to as FBMC/OQAM. The analysis conducted in this paper reveals that due to the ... -
A Markovian-based simulation model for the evolution of employees’ emotional states during an organizational change
(2021-06-30)
Article
Accés obertThis study aims to create a simulation model with which to analyse the spread of emotional states among the employees of an organization. The model takes into account the fact that workers are influenced by their co-workers ... -
A massive data processing approach for effective trustworthiness in online learning groups
(2015-06-10)
Article
Accés obertThis paper proposes a trustworthiness-based approach for the design of secure learning activities in online learning groups. Although computer-supported collaborative learning has been widely adopted in many educational ... -
A Massively Parallel Algorithm for the Approximate Calculation of Inverse p-th Roots of Large Sparse Matrices
(Association for Computing Machinery (ACM), 2018-07)
Comunicació de congrés
Accés obertWe present the submatrix method, a highly parallelizable method for the approximate calculation of inverse p-th roots of large sparse symmetric matrices which are required in different scientific applications. Following ... -
A massively parallel implementation of multilevel Monte Carlo for finite element models
(2023-11-01)
Article
Accés obertThe Multilevel Monte Carlo (MLMC) method has proven to be an effective variance-reduction statistical method for Uncertainty Quantification (UQ) in Partial Differential Equation (PDE) models, combining model computations ... -
A master equation for force distributions in polydisperse frictional particles
(CIMNE, 2015)
Text en actes de congrés
Accés obertAn incremental evolution equation, i.e. a Master equation in statistical mechanics, is introduced for force distributions in polydisperse frictional particle packings. As basic ingredients of the Master equation, the ... -
A material characterisation framework for assessing brickwork masonry arch bridges: from material level to component level testing
(2023-09)
Article
Accés obertThis paper aims to present a systematic framework for material characterisation to assess brickwork masonry arch bridges. An extensive laboratory campaign was carried out to characterise brickwork and backfill material in ... -
A materialidade da luz. A imaterialidade do sólido. Casa Guiette. Antuérpia 1926.
(Associació d'idees. Centre d'Investigacions Estètiques, 2005)
Article
Accés obert -
A mathematical approach and review of the modeling of taxi services
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a mathematical model for the estimation of the key performance indicators of the taxi markets in urban areas. These key parameters are basically the demand and supply for taxi services, the waiting time ... -
A mathematical approach to virus therapy of glioblastomas
(2016-12)
Article
Accés obertIt is widely believed that the treatment of glioblastomas (GBM) could benefit from oncolytic virus therapy. Clinical research has shown that Vesicular Stomatitis Virus (VSV) has strong oncolytic properties. In addition, ... -
A Mathematical Autobiographity
(Université du Quebéc à Montréal / Université du Quebéc à Montréal, 1980)
Article
Accés obertExtrait de son autobiographie mathématique. “Mes recherches mathématiques proviennent en partie de l’intérèt que je Porte aux problèmes de dissection. J’ai montré, par exemple, comment découper un pentagone régulier en six ... -
A mathematical formulation of the loop pipelining problem
(Universitat Politècnica de Catalunya (UPC), 1996)
Text en actes de congrés
Accés obertThis paper presents a mathematical model for the loop pipelining problem that considers several parameters for optimization and supports any combination of resource and timing constraints. The unrolling degree of the loop ... -
A mathematical framework for structural control integration
(Trans Tech Publications, 2012)
Text en actes de congrés
Accés obertIn this paper, some control strategies to design decentralized controllers are developed and discussed. These strategies are based on the Inclusion Principle, a very useful mathematical framework to obtain decentralized ... -
A mathematical model coupling tumor growth and angiogenesis
(Public Library of Science (PLOS), 2016-02-18)
Article
Accés obertWe present a mathematical model for vascular tumor growth. We use phase fields to model cellular growth and reaction-diffusion equations for the dynamics of angiogenic factors and nutrients. The model naturally predicts ... -
A mathematical model for ammonium removal and recovery from real municipal wastewater using a natural zeolite
(Elsevier, 2023-10-01)
Article
Accés restringit per política de l'editorialA study was carried out to remove/recover ammonium (NH4+) from residual effluents in tertiary treatment by sorption/desorption processes onto a natural clinoptilolite zeolite (NZ) in batch and fixed-bed column systems. ... -
A mathematical model for dynamic memory networks
(Iniciativa Digital Politècnica, 2011)
Text en actes de congrés
Accés obertThe aim of this paper is to bring together the work done several years ago by M.A. Fiol and the other authors to formulate a quite general mathematical model for a kind of permutation networks known as dynamic memories. A ... -
A mathematical model for the COVID-19 pandemic in Tokyo through changing point calculus
(Multidisciplinary Digital Publishing Institute, 2023-11-12)
Article
Accés obertThe great social and economic impact that the COVID-19 pandemic has had on a global level has encouraged the development of new mathematical models that make it possible to better manage this and future pandemics. Here, ...