Results 31 to 40 of about 1,046 (132)

Ecohydrological characteristics of biocrusts explain divergent responses of biocrusts and grasses to rainfall reduction

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Drylands are mainly structured by both vascular plants and biological soil crusts (biocrusts), the latter often regarded as a self‐organizing component of these ecosystems.
Haoran Luo   +13 more
wiley   +1 more source

Point Divergence Gain and Multidimensional Data Sequences Analysis

open access: yesEntropy, 2018
We introduce novel information-entropic variables—a Point Divergence Gain ( Ω α ( l → m ) ), a Point Divergence Gain Entropy ( I α ), and a Point Divergence Gain Entropy Density ( P α )—which are derived from the Rényi entropy and ...
Renata Rychtáriková   +3 more
doaj   +1 more source

Detecting Multiple Change Points in Linear Models With Heteroscedasticity

open access: yesJournal of Time Series Analysis, EarlyView.
ABSTRACT The problem of detecting change points in the parameters of a linear regression model with errors and covariates exhibiting heteroscedasticity is considered. Asymptotic results for weighted functionals of the cumulative sum (CUSUM) processes of model residuals are established when the model errors are weakly dependent and non‐stationary ...
Lajos Horváth   +2 more
wiley   +1 more source

Rényi Divergences, Bures Geometry and Quantum Statistical Thermodynamics

open access: yesEntropy, 2016
The Bures geometry of quantum statistical thermodynamics at thermal equilibrium is investigated by introducing the connections between the Bures angle and the Rényi 1/2-divergence.
Ali Ümit Cemal Hardal   +1 more
doaj   +1 more source

The richness, frequency and relatedness components of mate diversity and mate portfolios

open access: yesNew Phytologist, EarlyView.
The effects of (a) equal and (b, c) unequal contributions to mate portfolios by 10 mates on (d) Hill‐number mate diversity profiles (see Eqn 1). Summary Sexual reproduction produces genetically diverse families, especially when individuals mate with multiple partners.
Lawrence D. Harder, Mason W. Kulbaba
wiley   +1 more source

Fractional Moment Theory for Anomalous Transport: A Unified Framework for Lévy Flights, Fractals, and Complex Dynamical Systems

open access: yesMathematical Methods in the Applied Sciences, Volume 49, Issue 13, Page 14964-15009, 15 September 2026.
ABSTRACT We develop a unified mathematical framework extending classical moment theory from discrete integer orders to a continuous spectrum of real orders f>0$$ f>0 $$, providing a systematic statistical characterization of complex systems exhibiting power‐law behavior.
Farrukh A. Chishtie
wiley   +1 more source

Hardness of (Semiuniform) MLWE with Short Distributions Using the Rényi Divergence

open access: yesIET Information Security, 2023
The module learning with errors (MLWE) problem has attracted considerable attention for its tradeoff between security and efficiency. The quantum/classical worst-case to average-case hardness for the MLWE problem (or more exactly, a family of problems ...
Wenjuan Jia, Baocang Wang
doaj   +1 more source

On Tight Tree‐Complete Hypergraph Ramsey Numbers

open access: yesJournal of Graph Theory, Volume 113, Issue 1, Page 88-96, September 2026.
ABSTRACT Chvátal showed that for any tree T with k edges, the Ramsey number R ( T , n ) = k ( n − 1 ) + 1. For r = 3 or 4, we show that, if T is an r‐uniform nontrivial tight tree, then the hypergraph Ramsey number R ( T , n ) = Θ ( n r − 1 ). The 3‐uniform result comes from observing a construction of Cooper and Mubayi.
Jiaxi Nie
wiley   +1 more source

Adaptation and Psychometric Evaluation of a Patient Safety Culture Instrument for Home Care—A Multicentre Cross‐Sectional Study

open access: yesJournal of Advanced Nursing, Volume 82, Issue 9, Page 8603-8620, September 2026.
ABSTRACT Aims To adapt an instrument to measure patient safety culture, as rated by home care workers, and examine its psychometric properties. Design A multicentre cross‐sectional psychometric study. Methods We adapted the Nursing Home Survey SOPS to measure safety culture in home care.
Tania Martins   +4 more
wiley   +1 more source

Thermal fluctuations of black holes with non-linear electrodynamics and charged Renyi entropy

open access: yesJournal of High Energy Physics, 2023
We extend the charged Renyi entropy to a more general holographic scenario. Coupling an arbitrary non-linear electrodynamics Lagrangian density to AdS gravity, we analyse the thermodynamic features of non-linearly charged hyperbolic black holes and the ...
Gabriel Arenas-Henriquez   +2 more
doaj   +1 more source

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