Results 71 to 80 of about 3,856 (192)

Variational Modeling of Porosity Waves

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 1, March 2026.
ABSTRACT Mathematical models for finite‐strain poroelasticity in an Eulerian formulation are studied by constructing their energy‐variational structure, which gives rise to a class of saddle‐point problems. This problem is discretized using an incremental time‐stepping scheme and a mixed finite element approach, resulting in a monolithic, structure ...
Andrea Zafferi, Dirk Peschka
wiley   +1 more source

Generalized Hyers-Ulam Stability of Quadratic Functional Inequality

open access: yesAbstract and Applied Analysis, 2013
We establish the general solution of the functional inequality and then investigate the generalized Hyers-Ulam stability of this inequality in Banach spaces and in non-Archimedean Banach spaces.
Hark-Mahn Kim   +2 more
doaj   +1 more source

Regularity Properties of Solutions of a Model for Morphoelastic Growth in the Presence of Nutrients in One Spatial Dimension

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 1, March 2026.
ABSTRACT Regularity properties of solutions for a class of quasi‐stationary models in one spatial dimension for stress‐modulated growth in the presence of a nutrient field are proven. At a given point in time the configuration of a body after pure growth is determined by means of a family of ordinary differential equations in every point in space ...
Julian Blawid, Georg Dolzmann
wiley   +1 more source

Banach-Saks Type and Gurariǐ Modulus of Convexity of Some Banach Sequence Spaces

open access: yesAbstract and Applied Analysis, 2014
Banach-Saks type is calculated for two types of Banach sequence spaces and Gurariǐ modulus of convexity is estimated from above for the spaces of one type among them.
Henryk Hudzik   +3 more
doaj   +1 more source

Lorentz type spaces of ultrasmooth vectors of closed operators

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2012
Lorentz type spaces of ultrasmooth vectors of closed operators in Banach spaces are defined. Interpolation properties of such spaces are established and their application to the decision of problem of approaching of elements of Banach space is shown ...
M. I. Dmytryshyn, O. V. Lopushansky
doaj   +1 more source

A Generalization Error Bound of Physics‐Informed Neural Networks for Ecological Diffusion Models

open access: yesStat, Volume 15, Issue 1, March 2026.
ABSTRACT Ecological diffusion equations (EDEs) are partial differential equations (PDEs) that model spatiotemporal dynamics, often applied to wildlife diseases. Derived from ecological mechanisms, EDEs are useful for forecasting, inference, and decision‐making, such as guiding surveillance strategies for wildlife diseases.
Juan Francisco Mandujano Reyes   +4 more
wiley   +1 more source

On Some Properties of Banach Space-Valued Fibonacci Sequence Spaces

open access: yesCommunications in Advanced Mathematical Sciences
In this work, we give some results about the basic properties of the vector-valued Fibonacci sequence spaces. In general, sequence spaces with Banach space-valued cannot have a Schauder Basis unless the terms of the sequences are complex or real terms ...
Seçkin Yalçın, Yılmaz Yılmaz
doaj   +1 more source

The Functional Delta Method for Deriving Asymptotic Distributions

open access: yesWIREs Computational Statistics, Volume 18, Issue 1, March 2026.
The distribution of the scaled difference between the plug‐in estimator Tθ̂n$$ T\left({\hat{\boldsymbol{\theta}}}_n\right) $$ and the true parameter Tθ0$$ T\left({\boldsymbol{\theta}}_0\right) $$ is approximated by the distribution of the scaled difference between θ̂n$$ {\hat{\boldsymbol{\theta}}}_n $$ and θ0$$ {\boldsymbol{\theta}}_0 $$ and a ...
Eric Beutner
wiley   +1 more source

Multi‐Criteria Decision Analysis for Designing Optimal Aflatoxin Monitoring Schemes in the Dairy Supply Chain

open access: yesRisk Analysis, Volume 46, Issue 3, March 2026.
ABSTRACT Designing effective food safety monitoring schemes is a complex task involving multiple, often conflicting, criteria. This study applied Multi‐Criteria Decision Analysis (MCDA) to evaluate and identify optimal aflatoxin monitoring schemes along a Dutch dairy supply chain—a critical context where aflatoxin B1 (AFB1) contamination in feed can ...
Z. Wang   +3 more
wiley   +1 more source

Stability Of a Quadratic Functional Equation in Intuitionistic Fuzzy Banach Spaces

open access: yesJournal of New Results in Science, 2016
Hyers-Ulam-Rassias stability theorem has been applied to several functional equations for studying stability in caseof approximation of a given functional equation in Banach spaces,fuzzy Banach spaces etc.
Pratap Mondal   +2 more
doaj  

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