Results 111 to 120 of about 7,754 (304)

Race and Household Income Are Associated With Disease Outcomes in Pediatric Patients With Antineutrophil Cytoplasmic Antibody–Associated Vasculitis Hospitalized in the United States

open access: yesArthritis Care &Research, EarlyView.
Objective Race and household income impact outcomes in patients with rheumatic conditions; however, their role in pediatric antineutrophil cytoplasmic antibody (ANCA)–associated vasculitis (AAV) remains poorly understood. We aimed to evaluate whether race and ethnicity and household income are associated with severe AAV disease and renal outcomes among
Roberto Alejandro Valdovinos   +2 more
wiley   +1 more source

The Krasnoselskii–Mann Method for Approximation of Coincidence Points of Set-Valued Mappings

open access: yesMathematics
In the present paper, we use the Krasnoselskii–Mann method in order to obtain approximate coincidence points of set-valued mappings in metric spaces with a hyperbolic structure.
Alexander J. Zaslavski
doaj   +1 more source

Weak Capacity and Modulus Comparability in Ahlfors Regular Metric Spaces

open access: yesAnalysis and Geometry in Metric Spaces, 2016
Let (Z, d, μ) be a compact, connected, Ahlfors Q-regular metric space with Q > 1. Using a hyperbolic filling of Z,we define the notions of the p-capacity between certain subsets of Z and of theweak covering p-capacity of path families Γ in Z.We show ...
Lindquist Jeff
doaj   +1 more source

On the Hyperbolizing metric spaces

open access: yes, 2014
This paper has been withdrawn by the author due to a crucial sign error in equation ...
Luo, Xin, Xiao, Yingqing, Jiang, Yueping
openaire   +2 more sources

Anorectal Dysfunction in Systemic Sclerosis: Clinical Phenotypes and Functional Patterns

open access: yesArthritis Care &Research, EarlyView.
Objective The aim of this study was to characterize specific physiologic defects in anorectal dysfunction in systemic sclerosis (SSc) using anorectal manometry (ARM), evaluate associations with gastrointestinal (GI) and extraintestinal clinical phenotypes, and explore potential serologic markers for risk stratification.
Timothy Kaniecki   +6 more
wiley   +1 more source

Cannon-Thurston maps for trees of hyperbolic metric spaces [PDF]

open access: yes, 1998
Let (X,d) be a tree (T) of hyperbolic metric spaces satisfying the quasi-isometrically embedded condition. Let v be a vertex of T . Let (Xv, dv) denote the hyperbolic metric space corresponding to v. Then i : Xv → X extends continuously to a map i^ : X^v
Mitra, Mahan
core   +2 more sources

Path-integral complexity for perturbed CFTs

open access: yesJournal of High Energy Physics, 2018
In this work, we formulate a path-integral optimization for two dimensional conformal field theories perturbed by relevant operators. We present several evidences how this optimization mechanism works, based on calculations in free field theories as well
Arpan Bhattacharyya   +5 more
doaj   +1 more source

Noncommutative hyperbolic metrics

open access: yes, 2017
Second version: expanded introduction, several modifications, including the definition of a new distance, a correction in Proposition 4.7, and a strengthening of the free probability results.
Belinschi, Serban, Vinnikov, Victor
openaire   +2 more sources

Adaptive Observer for Coupled Wave PDE and Infinite ODE With Sampled Data and Unknown Input: Application to Brain Hemodynamics Estimation

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This article proposes a convergent adaptive observer for a damped wave PDE and an infinite‐dimensional ODE coupled in cascade using sampled‐in‐space ODE state measurements. The proposed observer estimates the distributed states of the PDE and ODE along with unknown PDE parameters and spatial input.
Zehor Belkhatir   +2 more
wiley   +1 more source

On the Gromov hyperbolicity of the minimal metric

open access: yesMathematische Zeitschrift
AbstractIn this paper, we study the hyperbolicity in the sense of Gromov of domains in $$\mathbb {R}^d$$ R d $$(d\ge 3)$$ ( d ≥
openaire   +7 more sources

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