Results 21 to 30 of about 1,542,295 (301)

Radial symmetry of solutions to anisotropic and weighted diffusion equations with discontinuous nonlinearities [PDF]

open access: yesCalculus of Variations and Partial Differential Equations, 2021
For 12\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$N>2$$\end{document}
S. Dipierro   +2 more
semanticscholar   +1 more source

AziNorm: Exploiting the Radial Symmetry of Point Cloud for Azimuth-Normalized 3D Perception [PDF]

open access: yesComputer Vision and Pattern Recognition, 2022
Studying the inherent symmetry of data is of great importance in machine learning. Point cloud, the most important data format for 3D environmental perception, is naturally endowed with strong radial symmetry.
Shaoyu Chen   +6 more
semanticscholar   +1 more source

High-Dimensional Radial Symmetry of Copula Functions: Multiplier Bootstrap vs. Randomization

open access: yesSymmetry, 2022
We use a recently proposed fast test of copula radial symmetry based on multiplier bootstrap and obtain an equivalent randomization test. The literature shows the statistical superiority of the randomization approach in the bivariate case.
Monica Billio, L. Frattarolo, D. Guégan
semanticscholar   +1 more source

Radial Symmetry of p-Harmonic Minimizers [PDF]

open access: yesArchive for Rational Mechanics and Analysis, 2018
18 pages, 2 ...
Aleksis Koski, Jani Onninen
openaire   +5 more sources

Radial Symmetry Does Not Preclude Condorcet Cycles If Different Voters Weight the Issues Differently

open access: yesEconomies, 2022
Radial symmetry, by our definition, is a precise condition on continuous ideal-point distributions, rarely if ever found exactly in practice, that is similar to the classical 1967 symmetry condition of Plott but pertains to an infinite electorate; the ...
Richard F. Potthoff
doaj   +1 more source

Radial symmetry for logarithmic Choquard equation involving a generalized tempered fractional $ p $-Laplacian

open access: yesDiscrete and Continuous Dynamical Systems. Series A, 2021
In this paper, we investigate radial symmetry and monotonicity of positive solutions to a logarithmic Choquard equation involving a generalized nonlinear tempered fractional \begin{document}$ p $\end{document}-Laplacian operator by applying the direct ...
Lihong Zhang   +3 more
semanticscholar   +1 more source

Qualitative Numerical Analysis of a Free-Boundary Diffusive Logistic Model

open access: yesMathematics, 2023
A two-dimensional free-boundary diffusive logistic model with radial symmetry is considered. This model is used in various fields to describe the dynamics of spreading in different media: fire propagation, spreading of population or biological invasions.
María Consuelo Casabán   +3 more
doaj   +1 more source

Semi-Automated Detection of Cerebral Microbleeds on 3.0 T MR Images. [PDF]

open access: yesPLoS ONE, 2013
Cerebral microbleeds are associated with vascular disease and dementia. They can be detected on MRI and receive increasing attention. Visual rating is the current standard for microbleed detection, but is rater dependent, has limited reproducibility ...
Hugo J Kuijf   +7 more
doaj   +1 more source

Size-correlated polymorphisms in phyllotaxis-like periodic and symmetric tentacle arrangements in hydrozoan Coryne uchidai

open access: yesFrontiers in Cell and Developmental Biology, 2023
Introduction: Periodic organ arrangements occur during growth and development and are widespread in animals and plants. In bilaterian animals, repetitive organs can be interpreted as being periodically arranged along the two-dimensional space and defined
Safiye E. Sarper   +5 more
doaj   +1 more source

Symmetries of Trautman retarded radial coordinates [PDF]

open access: yesClassical and Quantum Gravity, 2018
12 pages, no ...
Maciej Kolanowski, Jerzy Lewandowski
openaire   +3 more sources

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