Results 91 to 100 of about 573,156 (305)

The Degree of Stability of Price Diffusion [PDF]

open access: yes
The distributional form of financial asset returns has important implications for the theoretical and empirical analyses in economics and finance. It is now a well-established fact that financial return distributions are empirically nonstationary, both ...
Cornelis A. Los
core  

Development of a Disease Activity Index for the Assessment of VEXAS Syndrome (VEXAS‐DAI)

open access: yesArthritis Care &Research, EarlyView.
Objective Vacuoles, E1 enzyme, X‐linked, autoinflammatory, somatic syndrome (VEXAS) syndrome is characterized by a complex spectrum of inflammatory and hematologic manifestations. Clinical research to identify effective therapies is urgently needed but is hindered by the lack of validated outcome measures.
Kevin Byram   +25 more
wiley   +1 more source

R/S analysis and DFA: finite sample properties and confidence intervals [PDF]

open access: yes
We focus on finite sample properties of two mostly used methods of Hurst exponent H estimation – R/S analysis and DFA. Even though both methods have been widely applied on different types of financial assets, only several papers have dealt with finite ...
Kristoufek, Ladislav
core  

Fractal scaling in crude oil price evolution via Time Series Analysis (TSA) of historical data [PDF]

open access: yes, 2009
This paper presents historical price data for two different crude oil types and examines the stationarity and inherent structure in oil price variation, applying many degrees of time resolution.
Gerogiorgis, Dimitrios I   +1 more
core   +1 more source

Exponent, March 1965 [PDF]

open access: yes, 1965
Published usually four times per year in the interest of the students of the University of Dayton. Contents include short stories, articles, essays, editorials, poems, plays, histories, and other creative works.https://ecommons.udayton.edu/exponent/1475 ...
University of Dayton Exponent
core   +1 more source

Improved Prediction of Elastic Modulus for Carbon-Based Aerogels Using Power-Scaling Model

open access: yesGels
The mechanical stability of carbon aerogels, particularly their thermal insulation performance, is closely linked to their elastic modulus. This property plays a crucial role in determining the material’s overall mechanical stability.
Cheng Bi   +7 more
doaj   +1 more source

Critical exponents from scaling with neglect of cutoffs

open access: yesPhysical Review B, 1979
Physical Review ...
Freed, K. F., Kosmas, M. K.
openaire   +2 more sources

Mapping the Social Network Structure and Composition of Black Individuals With Rheumatic and Musculoskeletal Conditions

open access: yesArthritis Care &Research, EarlyView.
Objective Our objective was to describe the social networks of Black individuals with rheumatic and musculoskeletal conditions and understand the clustering of health‐related behaviors to inform future community‐based, peer‐led interventions. Methods We used an adapted Personal Network Survey for Clinical Research (PERSNET) to map the personal social ...
Taussia Boadi   +27 more
wiley   +1 more source

Daily time series of scaling exponent and residual variance and skewness for deaths 01/03/2020 and 11/01/2021.

open access: yes, 2022
(a) Time series of daily scaling exponent of COVID-19 deaths, (b) residual variance, and (c) residual skewness. The horizontal line in (a) indicates linear scaling. The bar chart indicates raw daily deaths.
Haroldo V. Ribeiro (9411459)   +3 more
core   +1 more source

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