Results 31 to 40 of about 8,524,171 (298)

Critical Points Extraction from Building Façades by Analyzing Gradient Structure Tensor

open access: yesRemote Sensing, 2021
This paper proposes a building façade contouring method from LiDAR (Light Detection and Ranging) scans and photogrammetric point clouds. To this end, we calculate the confidence property at multiple scales for an individual point cloud to measure the ...
Dong Chen   +6 more
doaj   +1 more source

Critical-point wedge filling and critical-point wetting

open access: yesPhysical Review E
For simple fluids adsorbed at a planar solid substrate (modeled as an inert wall) it is known that critical-point wetting, that is, the vanishing of the contact angle θ at a temperature T_{w} lying below that of the critical point T_{c}, need not occur. While critical-point wetting necessarily happens when the wall-fluid and fluid-fluid forces have the
Alexandr Malijevský, Andrew O. Parry
openaire   +4 more sources

Landesman-Lazer condition revisited: the influence of vanishing and oscillating nonlinearities

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2015
In this paper we deal with semilinear problems at resonance. We present a sufficient condition for the existence of a weak solution in terms of asymptotic properties of nonlinearity.
Pavel Drábek, Martina Langerova
doaj   +1 more source

Rethinking Islamic Economic and Finance Practices in Indonesia: Some Critical Reviews

open access: yesInternational Journal of Islamic Business and Economics (IJIBEC), 2020
Thisresearch aimsto analysis someissues related to the Islamic economic and financial practices in Indonesia. This research used a descriptive-qualitative approach with content analytical, library research and critical studymethod.
Azwar Iskandar   +2 more
doaj   +1 more source

Sets of Fractional Operators and Numerical Estimation of the Order of Convergence of a Family of Fractional Fixed-Point Methods

open access: yesFractal and Fractional, 2021
Considering the large number of fractional operators that exist, and since it does not seem that their number will stop increasing soon at the time of writing this paper, it is presented for the first time, as far as the authors know, a simple and ...
A. Torres-Hernandez, F. Brambila-Paz
doaj   +1 more source

DAVIES CRITICAL POINT AND TUNNELING [PDF]

open access: yesInternational Journal of Modern Physics D, 2012
From the point of view of tunneling, the physical meaning of the Davies critical point of a second-order phase transition in the black hole thermodynamics is clarified. At the critical point, the nonthermal contribution vanishes so that the black hole radiation is entirely thermal. It separates two phases: one with radiation enhanced by the nonthermal
openaire   +3 more sources

Serfaty: Critical Points of Ambrosio-Tortorelli converge to critical points

open access: yes, 2008
Critical points of a variant of the Ambrosio-Tortorelli functional, for which non-zero Dirichlet boundary conditions replace the fidelity term, are investigated. They are shown to converge to particular critical points of the corresponding variant of the
Sylvia Serfaty   +2 more
core   +1 more source

Solutions of stationary Kirchhoff equations involving nonlocal operators with critical nonlinearity in RN

open access: yesNonlinear Analysis, 2017
In this paper, we consider the existence and multiplicity of solutions for fractional Schrödinger equations with critical nonlinearity in RN. We use the fractional version of Lions' second concentration-compactness principle and concentration-compactness
Ziwei Piao, Chenxing Zhou, Sihua Liang
doaj   +1 more source

Critical points identified by caregivers.

open access: yes, 2018
Critical points identified by caregivers.
Sergio Cordovilla-Guardia (4370545)   +5 more
core   +1 more source

Bridging the Loneliness Gap: Depression, Connectivity, and Isolation in Pediatric Oncology Patients and Their Peers

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld   +5 more
wiley   +1 more source

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