Results 81 to 90 of about 394,346 (266)
ABSTRACT Objective To investigate the value of constructing models based on habitat radiomics and pathomics for predicting the risk of progression in high‐grade gliomas. Methods This study conducted a retrospective analysis of preoperative magnetic resonance (MR) images and pathological sections from 72 patients diagnosed with high‐grade gliomas (52 ...
Yuchen Zhu +14 more
wiley +1 more source
An application of modified systematic sampling in auto-correlated populations
This study explores the efficiency of modified systematic sampling (MSS) in the context of auto-correlated populations. The MSS scheme is compared to linear systematic sampling (LSS), circular systematic sampling (CSS) and mixed random systematic ...
doaj +1 more source
Equality of internal angles and vertex points in conformal hyperbolic triangles
In this article, by using the conformal structure in Euclidean space, the conformal structures in hyperbolic space and the equality of the internal angles and vertex points of conformal triangles in hyperbolic space are given. Especially in these special
Ümit Tokeşer, Ömer Alsan
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Objective This study examined the global and regional temporal changes in cross‐country inequalities of site‐specific osteoarthritis (OA) burden from 1990 to 2021. Methods Age‐standardized years lived with disability rates (ASYRs) for site‐specific OA across 204 countries and territories were obtained from the Global Burden of Diseases, Injuries, and ...
Haowei Chen +14 more
wiley +1 more source
A class of hyperbolic fractional Kirchhoff equations involving viscoelastic and dissipative terms
This article investigates a class of hyperbolic equations of the fractional Kirchhoff type with viscoelastic and nonlinear terms: \begin{document}$ \left\{ \begin{array}{ll} u_{tt} +M([u]^{2}_{s})(-\Delta)^su-\int_{0}^{t}g(t-\tau)(-\Delta)^su(\tau)d ...
Lijun Zhou, Ning Pan
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An Extension of Poincare Model of Hyperbolic Geometry with Gyrovector Space Approach [PDF]
The aim of this paper is to show the importance of analytic hyperbolic geometry introduced in [9]. In [1], Ungar and Chen showed that the algebra of the group SL(2, C) naturally leads to the notion of gyrogroups and gyrovector spaces for dealing ...
Mahfouz Rostamzadeh +1 more
doaj +1 more source
RELATIVELY HYPERBOLIC GROUPS [PDF]
In this paper we develop some of the foundations of the theory of relatively hyperbolic groups as originally formulated by Gromov. We prove the equivalence of two definitions of this notion. One is essentially that of a group admitting a properly discontinuous geometrically finite action on a proper hyperbolic space, that is, such that every limit ...
openaire +3 more sources
Objective The aim of this systematic review was to synthesize the economic impact of rheumatoid arthritis (RA) on households, health systems, and society in low‐ and middle‐income countries (LMICs). Methods Electronic databases such as PubMed, Web of Science, and CINAHL were searched using keywords related to RA and cost of illness.
Tadesse Gebrye +6 more
wiley +1 more source
On the Ambartzumian-Pleijel identity in hyperbolic geometry [PDF]
We describe a hyperbolic version of the Ambartzumian-Pleijel identity. We use this identity to prove the hyperbolic Crofton formula and the hyperbolic isoperimetric inequality.
Binbin, Xu
core
Thermal hyperbolic metamaterials
1. We correct several formating mistakes and improve the figure quality 2.
Guo, Yu, Jacob, Zubin
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