Results 271 to 280 of about 1,538,874 (331)

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

Exponential Stability of Higher Order Fractional Neutral Stochastic Differential Equation Via Integral Contractors

open access: yesMathematical Methods in the Applied Sciences, Volume 48, Issue 6, Page 6425-6446, April 2025.
ABSTRACT The well‐posedness results for mild solutions to the fractional neutral stochastic differential system with Rosenblatt process with Hurst index Ĥ∈12,1$$ \hat{H}\in \left(\frac{1}{2},1\right) $$ is discussed in this article. To demonstrate the results, the concept of bounded integral contractors is combined with the stochastic result and ...
Dimplekumar N. Chalishajar   +3 more
wiley   +1 more source

Unveiling New Perspectives on the Hirota–Maccari System With Multiplicative White Noise

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT In this study, we delve into the stochastic Hirota–Maccari system, which is subjected to multiplicative noise according to the Itô sense. The stochastic Hirota–Maccari system is significant for its ability to accurately model how stochastic affects nonlinear wave propagation, providing valuable insights into complex systems like fluid dynamics
Mohamed E. M. Alngar   +3 more
wiley   +1 more source

Unlocking Probiotic Potential: Physicochemical Approaches to Evaluate Probiotic Bacterial Adhesion Potential to the Intestinal Tract

open access: yesMolecular Nutrition &Food Research, EarlyView.
From the oral cavity to the establishment of bacterial adhesion in the intestinal tract, probiotic cells traverse 4 main stages: (1) bacterial transport, (2) reversible adhesion, (3) irreversible adhesion, and (4) biofilm formation. Each stage involves distinct mechanisms that govern the adhesion potential of bacteria to the intestinal mucus, which ...
Thị‐Thanh‐Trúc Phùng   +4 more
wiley   +1 more source

Exploring the Phytochemical and Physical Stability of Phycocyanin, Anthocyanins, and Betacyanin in a Cheesecake Product

open access: yesMolecular Nutrition &Food Research, EarlyView.
Phycocyanin, anthocyanins, and betacyanin were tested with various sweeteners (sucrose, fructose, dextrose, xylitol, sorbitol) to assess their impact on color retention, antioxidant activity, and sensory properties. Key parameters investigated include pigment degradation, antioxidant performance, color measurements, and consumer acceptability, offering
Cristina Selin   +11 more
wiley   +1 more source

Fast MR signal simulations of microvascular and diffusion contributions using histogram‐based approximation and recurrent neural networks

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose Accurate MR signal simulation, including microvascular structures and water diffusion, is crucial for MRI techniques like fMRI BOLD modeling and MR vascular Fingerprinting (MRF), which use susceptibility effects on MR signals for tissue characterization.
Thomas Coudert   +9 more
wiley   +1 more source

Optimized analytical segmented method for improved intravoxel incoherent motion parameter extraction in low‐perfused tissues

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose Intravoxel incoherent motion (IVIM) diffusion‐weighted imaging of tissue perfusion and diffusion has limited signal in low‐perfused tissues, which poses a challenge in measuring IVIM parameters. This work proposes an optimized analytical segmented (opAS) method for extracting IVIM parameters and compares its performance with prior ...
Erick O. Buko   +2 more
wiley   +1 more source

Enhanced spectral response in frequency‐dependent diffusion measurements using a linear encoding model

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose To devise a more comprehensive quantitative representation for spectral encodings in frequency‐dependent diffusion measurements for improved estimation of D(ω). Theory and Methods Whereas a spectral diffusion measurement is typically represented by a Dirac delta function at a single attributed frequency, spectral response is ...
Eric Seth Michael   +2 more
wiley   +1 more source

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