Results 171 to 180 of about 4,229,164 (393)

How Unusual Was the Paleocene‐Eocene Thermal Maximum?

open access: yesGeophysical Research Letters
The Paleocene‐Eocene Thermal Maximum (PETM) was an extreme fluctuation of Earth's climate and a potential analog for future unmitigated anthropogenic climate change, but whose cause is debated.
B. B. Cael, G. L. Foster
doaj   +1 more source

Extreme-Value Characteristics in Daily Time Series of Swedish Stock Returns

open access: yes
The paper studies Swedish stock series using extreme-value theoretical approaches. In a univariate setting support is found for the Fréchet family of distributions for minima and maxima.
Brännäs, Kurt   +2 more
core   +1 more source

Low‐Cost, Large‐Scale Nanoporous Metals by Mechanical Alloying, Oxide Reduction, and Dealloying of Powders

open access: yesAdvanced Engineering Materials, EarlyView.
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Extreme value analysis for evaluating ozone control strategies. [PDF]

open access: yesAnn Appl Stat, 2013
Reich B   +4 more
europepmc   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar   +2 more
wiley   +1 more source

Analysis of Extreme Values

open access: yesThe Annals of Mathematical Statistics, 1950
openaire   +3 more sources

The Maximum Lq-Likelihood Method: an Application to Extreme Quantile Estimation in Finance [PDF]

open access: yes
Estimating financial risk is a critical issue for banks and insurance companies. Recently, quantile estimation based on Extreme Value Theory (EVT) has found a successful domain of application in such a context, outperforming other approaches.
Davide Ferrari, Sandra Paterlini
core  

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