Results 61 to 70 of about 7,093 (264)

Degree theory for 4‐dimensional asymptotically conical gradient expanding solitons

Communications on Pure and Applied Mathematics, EarlyView.
Abstract We develop a new degree theory for 4‐dimensional, asymptotically conical gradient expanding solitons. Our theory implies the existence of gradient expanding solitons that are asymptotic to any given cone over S3$S^3$ with non‐negative scalar curvature. We also obtain a similar existence result for cones whose link is diffeomorphic to S3/Γ$S^3/\
Richard H. Bamler, Eric Chen
wiley   +1 more source

On interpolation of bilinear operators

Journal of Functional Analysis, 2004
The interpolation of bilinear operators is a classical problem in interpolation theory. The situation for the real and the complex interpolation methods is well understood. However, few results are known for other interpolation methods. In the paper under review, the author proves new abstract results on interpolation of bilinear operators that involve
openaire   +2 more sources

Physiology–microhabitat matching may help organisms cope with the thermal and hydric challenges under climate change: a tale of two lizards

Ecography, EarlyView.
Climate change is significantly affecting biodiversity, and organisms that depend on external temperature – such as ectotherms – are particularly vulnerable to these effects. Microhabitats provide refuge for species, thereby reducing exposure to thermal and hydric stress under climate change.
Carolina Reyes‐ Puig, Antigoni Kaliontzopoulou, Neftalí Sillero, Urtzi Enriquez‐ Urzelai   +3 more
wiley   +1 more source

Quality Evaluation of Chromatic Interpolation Algorithms for Image Acquisition System

Journal of Aerospace Technology and Management, 2016
The main goal of the Libertad 2 mission is to take images of the Earth’s surface in the visible spectrum with a multispectral sensor and send them as a Bayer array.
Diana Carolina Morón Hernández, Freddy Alexander Díaz González, Juan Sebastian Triana Correa, Pablo Roberto Pinzón Cabrera   +3 more
doaj   +3 more sources

Modeling of Three-Dimensional Ocean Current Based on Ocean Current Big Data for Underwater Vehicles

Journal of Marine Science and Engineering
This paper proposes a real-time and high-resolution current system for underwater vehicle simulation and testing based on global ocean current data. The goal was to address the issue of the existing systems for underwater vehicle simulation, whose tests ...
Yicheng Wen, Xingfei Li, Hongyu Li, Yanchao Zou, Yiguang Yang, Jiayi Xu   +5 more
doaj   +1 more source

On three-dimensional Hall-magnetohydrodynamic equations with partial dissipation

Boundary Value Problems, 2022
In this paper, we address the Hall-MHD equations with partial dissipation. Applying some important inequalities (such as the logarithmic Sobolev inequality using BMO space, bilinear estimates in BMO space, Young’s inequality, cancellation property ...
Baoying Du
doaj   +1 more source

Application of generative adversarial neural networks for the formation of databases in scanning tunneling microscopy

Компьютерная оптика, 2023
We discuss the development of a technique for automatic generation of databases of images obtained with a scanning tunneling microscope. An analysis of state-of-the-art methods and means of automatic processing of images obtained from probe and electron ...
T.E. Shelkovnikova, S.F. Egorov, P.V. Gulyaev   +2 more
doaj   +1 more source

Finite Element Modeling of a Thermoplastic Polyurethane Ball for Rolling Seismic Isolation

Earthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT The Elastomeric‐Ball Pendulum (EBP) system, which consists of an elastomeric ball rolling on a spherical concrete surface, has been proposed as an isolation system for lightweight structures. Experimental tests have shown that the mechanics of such a rolling ball are remarkably complicated because the vertical load changes the shape of the ...
Sergio I. Reyes, Dimitrios Konstantinidis, Michalis F. Vassiliou   +2 more
wiley   +1 more source

Otsu’s Image Segmentation Algorithm with Memory-Based Fruit Fly Optimization Algorithm

Complexity, 2021
In this paper, the most common pepper noise in grayscale image noise is investigated in depth in the median filtering algorithm, and the improved median filtering algorithm, adaptive switching median filtering algorithm, and adaptive polar median ...
Ruishuai Chai
doaj   +1 more source

Time‐ and State‐Dependent Damage Accumulation Due to Aftershocks Under an M9.0 Megathrust Earthquake in the Cascadia Subduction Zone

Earthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT This study develops a comprehensive framework for assessing time and state‐dependent aftershock damage accumulation under an M9.0 megathrust interface earthquake in the Cascadia Subduction Zone (CSZ). The framework integrates aftershock probabilistic seismic hazard analysis (APSHA) and state‐dependent fragility analysis (SDFA) within a ...
Hongzhou Zhang, Yazhou Xie
wiley   +1 more source