Results 21 to 30 of about 3,959,294 (280)

Boundary Integral Equations for the Laplace-Beltrami Operator

open access: yes, 2008
We present a boundary integral method, and an accompanying boundary element discretization, for solving boundary-value problems for the Laplace-Beltrami operator on the surface of the unit sphere $\S$ in $\mathbb{R}^3$.
D. Crowdy   +6 more
core   +1 more source

Determination of Vehicle Trajectory through Optimization of Vehicle Bounding Boxes using a Convolutional Neural Network

open access: yesSensors, 2019
In this manuscript, a new method for the determination of vehicle trajectories using an optimal bounding box for the vehicle is developed. The vehicle trajectory is extracted using images acquired from a camera installed at an intersection based on a ...
Seonkyeong Seong   +4 more
doaj   +1 more source

Pure states on Cuntz algebras arising from geometric progressions

open access: yes, 2016
Let ${\cal O}_n$ denote the Cuntz algebra for $n\geq 2$. We introduce an embedding $f$ of ${\cal O}_m$ into ${\cal O}_n$ arising from a geometric progression of Cuntz generaters of ${\cal O}_n$. By identifying ${\cal O}_m$ with $f({\cal O}_m)$, we extend
Kawamura, Katsunori
core   +1 more source

Predicting the Kentucky Derby Winner! Sort of

open access: yesJournal of Statistics Education, 2019
Through a series of explorations, this article will demonstrate how the Kentucky Derby winning times dataset provides various opportunities for introductory and advanced topics, from data processing to model building.
Beth Chance, Shea Reynolds
doaj   +1 more source

A sampling survey of permanent teeth caries in 12 ⁃ 15 ⁃ year ⁃ old population in Guangdong Province (2015 ⁃ 2016)

open access: yes口腔疾病防治, 2017
Objective To explore the caries status of permanent teeth among 12⁃15⁃year⁃old population in Guang⁃ dong Province, and to provide information support for oral health care.
HUANG Shaohong   +3 more
doaj   +1 more source

Screening for lung cancer: A systematic review of overdiagnosis and its implications

open access: yesMolecular Oncology, EarlyView.
Low‐dose computed tomography (CT) screening for lung cancer may increase overdiagnosis compared to no screening, though the risk is likely low versus chest X‐ray. Our review of 8 trials (84 660 participants) shows added costs. Further research with strict adherence to modern nodule management strategies may help determine the extent to which ...
Fiorella Karina Fernández‐Sáenz   +12 more
wiley   +1 more source

SNUPN‐Related Muscular Dystrophy: Novel Phenotypic, Pathological and Functional Protein Insights

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective SNUPN‐related muscular dystrophy or LGMDR29 is a new entity that covers from a congenital or childhood onset pure muscular dystrophy to more complex phenotypes combining neurodevelopmental features, cataracts, or spinocerebellar ataxia. So far, 12 different variants have been described.
Nuria Muelas   +18 more
wiley   +1 more source

Changes in Immune‐Inflammation Status and Acute Ischemic Stroke Prognosis in Prospective Cohort

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Inflammation is a critical risk factor for poor outcomes in cerebral infarction. Prior studies focused primarily on baseline inflammation status, neglecting dynamic longitudinal changes. We try to investigate the association between immune‐inflammation status alterations and stroke prognosis, and evaluated three systemic biomarkers'
Songfang Chen   +11 more
wiley   +1 more source

The Kummer tensor density in electrodynamics and in gravity

open access: yes, 2014
Guided by results in the premetric electrodynamics of local and linear media, we introduce on 4-dimensional spacetime the new abstract notion of a Kummer tensor density of rank four, ${\cal K}^{ijkl}$.
Baekler, Peter   +3 more
core   +1 more source

Propiedades mecánicas y productos de reacción de cementos base pumita-cal activados con sulfato de sodio (2015)

open access: yesEl Higo, 2020
Se evaluaron las propiedades mecánicas y se identificaron los productos de reacción de diversas pastas y morteros elaborados a base de pumita (P) y cal apagada (C) en presencia de sulfato de sodio (SS) como activador, expuestos a distintos niveles de ...
Léster Javier Espinoza Pérez   +2 more
doaj   +1 more source

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