Results 11 to 20 of about 8,300 (25)
On the factorization method in quantum mechanics [PDF]
Proceedings of the First International Workshop on ``Symmetries in
Quantum Mechanics and Quantum Optics''. A. Ballesteros et al (Eds.) Servicio
de Publicaciones de la Universidad de Burgos (Spain), p. 285-299. Burgos,
Spain (1999), 1998 New exactly solvable problems have already been studied by using a modification of the factorization method introduced by Mielnik. We review this method and its connection with the traditional factorization method. The survey includes the discussion on a generalization of the factorization energies used in the traditional Infeld and Hull method.
arxiv
Hypoxic Cell Waves around Necrotic Cores in Glioblastoma: A Biomathematical Model and its Therapeutic Implications [PDF]
arXiv, 2012 Glioblastoma is a rapidly evolving high-grade astrocytoma that is distinguished pathologically from lower grade gliomas by the presence of necrosis and microvascular hiperplasia. Necrotic areas are typically surrounded by hypercellular regions known as "pseudopalisades" originated by local tumor vessel occlusions that induce collective cellular ...
arxiv
Casimir Effect in systems in and out of Equilibrium [PDF]
Published by Ed: Universidad Complutense de Madrid, Servicio de
Publicaciones. Deposited on: 23 Jan. 2012 OAI Identifier:
oai:www.ucm.es:13976 ISBN: 978-84-695-1202-9, 2012 This thesis consists on two separate parts. In the first part, we discuss about the nature of the Casimir effect as the response of a fluctuant medium to the breakdown of the translation symmetry because the presence of intrusions in that medium.
arxiv
Code-Mixed Sentiment Analysis Using Machine Learning and Neural Network Approaches [PDF]
arXiv, 2018 Sentiment Analysis for Indian Languages (SAIL)-Code Mixed tools contest aimed at identifying the sentence level sentiment polarity of the code-mixed dataset of Indian languages pairs (Hi-En, Ben-Hi-En). Hi-En dataset is henceforth referred to as HI-EN and Ben-Hi-En dataset as BN-EN respectively. For this, we submitted four models for sentiment analysis
arxiv
Cohomologie des fibrés en droites sur les compactifications des groupes réductifs [PDF]
arXiv, 2003 On s'int\'eresse aux compactifications \'equivariantes d'un groupe r\'eductif quelconque, $G$, vu comme espace homog\`ene pour $G \times G$. Pour un rev\^etement fini $\widetilde{G}$ de $G$, les groupes de cohomologie des fibr\'es en droites sur ces compactifications sont naturellement des $\widetilde{G} \times \widetilde{G}-$modules de dimension finie.
arxiv
Ornitología Virtual: Caracterizando a #Chile en Twitter [PDF]
arXiv, 2013 Este art\'iculo presenta un an\'alisis de los tweets recolectados el 28 de Octubre de 2012, en el contexto de las elecciones municipales de 2012 en Chile. Dicho an\'alisis se realiza mediante una metodolog\'ia basada en literatura previa, en particular en t\'ecnicas de recuperaci\'on de la informaci\'on y de an\'alisis de espacios de informaci\'on ...
arxiv
A Character-Level Decoder without Explicit Segmentation for Neural Machine Translation [PDF]
arXiv, 2016 The existing machine translation systems, whether phrase-based or neural, have relied almost exclusively on word-level modelling with explicit segmentation. In this paper, we ask a fundamental question: can neural machine translation generate a character sequence without any explicit segmentation? To answer this question, we evaluate an attention-based
arxiv
Equilibrio de carga para transformadores de distribución eléctrica mejorando la calidad de servicio en fin de línea [PDF]
arXivThe distribution of electrical energy faces global challenges, such as increasing demand, the integration of distributed generation, high energy losses, and the need to improve service quality. In particular, load imbalance-where loads are not evenly distributed across the circuit phase-can reduce efficiency, shorten equipment lifespan, and increase ...
arxiv
Compatible algebras with straightening laws on distributive lattices [PDF]
arXiv, 2019 We characterize the finite distributive lattices on which there exists a unique compatible algebra with straightening laws.
arxiv