Results 271 to 280 of about 460,152 (328)

Extending the hyper‐logistic model to the random setting: New theoretical results with real‐world applications

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
We develop a full randomization of the classical hyper‐logistic growth model by obtaining closed‐form expressions for relevant quantities of interest, such as the first probability density function of its solution, the time until a given fixed population is reached, and the population at the inflection point.
Juan Carlos Cortés   +2 more
wiley   +1 more source

Mission Abort Policy Considering Imperfect Alarms and Two Abort Options

open access: yesNaval Research Logistics (NRL), EarlyView.
ABSTRACT A mission may be aborted during operation to increase the likelihood of system survival when an alarm system indicates that the system has entered a defect state. However, due to measurement and environmental noise, missed and false alarms frequently occur during online condition monitoring, complicating the decision‐making process for mission
Jiawen Hu, Piao Chen
wiley   +1 more source

Harmonizing direct and indirect anthropogenic land carbon fluxes indicates a substantial missing sink in the global carbon budget since the early 20th century

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The global carbon budget provides annual updates to society on the main cause of climate change—CO2 emissions—and quantifies carbon‐uptake ecosystem services provisioned by the biosphere. We show that more consistent assumptions in the estimates of land‐atmosphere carbon exchange results in a global carbon budget that is imbalanced (gains do not equal ...
Anthony P. Walker   +7 more
wiley   +1 more source

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