Results 71 to 80 of about 207,837 (263)

Regularization of Nonlinear Volterra Integral Equations of the First Kind with Smooth Data

open access: yesAppliedMath
The paper investigates the regularization of solutions to nonlinear Volterra integral equations of the first kind, under the assumption that a solution exists and belongs to the space of continuous functions.
Taalaibek Karakeev, Nagima Mustafayeva
doaj   +1 more source

Optimal discretization of inverse problems in Hilbert scales. Regularization and self-regularization of projection methods [PDF]

open access: yes, 2000
We study the efficiency of the approximate solution of ill-posed problems, based on discretized observations, which we assume to be given afore-hand. We restrict ourselves to problems which can be formulated in Hilbert scales.
Mathé, Peter, Pereverzev, Sergei V.
core   +1 more source

A Noninvasive Approach to Study Localized Forces in 3D Epithelia

open access: yesAdvanced Materials, EarlyView.
Epithelial morphogenesis depends on dynamic mechanical coupling between adhesion complexes and the cytoskeleton, yet its regulation in polarized 3D tissues remains elusive. We developed a noninvasive strategy using cell‐like elastic microbeads to quantify local forces in intact epithelia.
Niels Gouirand   +9 more
wiley   +1 more source

Entropic Regularization Approach for Mathematical Programs with Equilibrium Constraints [PDF]

open access: yes
A new smoothing approach based on entropic perturbationis proposed for solving mathematical programs withequilibrium constraints. Some of the desirableproperties of the smoothing function are shown.
Han, J., Birbil, S.I., Fang, S-C.
core   +2 more sources

Bayesian Regularization for Dynamical System Identification: Additive Noise Models

open access: yesPhysical Sciences Forum
Consider the dynamical system x ˙ = f ( x
Robert K. Niven   +4 more
doaj   +1 more source

IoT CHALLENGES & EVOLUTION [PDF]

open access: yesAnnals: Series on Military Sciences, 2018
As a result of rapid social changes, the fundamental human right to information is increasingly linked more closely to the right of access to broadband services.
Mircea Constantin ŞCHEAU
doaj  

Angular Upsampling in Infant Diffusion MRI Using Neighborhood Matching in x-q Space

open access: yesFrontiers in Neuroinformatics, 2018
Diffusion MRI requires sufficient coverage of the diffusion wavevector space, also known as the q-space, to adequately capture the pattern of water diffusion in various directions and scales.
Geng Chen   +6 more
doaj   +1 more source

Tailor‐Made Protective LixAlSy Layer for Lithium Anodes to Enhance the Stability of Solid‐State Lithium–Sulfur Batteries

open access: yesAdvanced Materials Interfaces, EarlyView.
An intentionally added, chemically formed LixAlSy coating stabilizes the lithium–electrolyte interface in solid‐state Li–S batteries. The layer suppresses side reactions, preserves smooth charge transfer, and improves ion transport from the start. This approach offers a practical route to more durable solid‐state batteries and a clearer understanding ...
Xinyi Wang   +4 more
wiley   +1 more source

Self-Adaptive Alternating Direction Method of Multipliers for Image Denoising

open access: yesApplied Sciences
In this study, we introduce a novel self-adaptive alternating direction method of multipliers tailored for image denoising. Our approach begins by formulating a collaborative regularization model that upholds structured sparsity within images while ...
Mingjie Xie, Haibing Guo
doaj   +1 more source

On an approximate method for solving the inverse problem of heat transfer

open access: yesИзвестия высших учебных заведений. Поволжский регион: Физико-математические науки, 2023
Background. Developing exact and stable algorithms for solution of inverse problems of mathematical physics is at the leading edge of modern numerical mathematics thanks to rapidly increasing number of applications of such problems in physical and ...
Il'ya V. Boykov, Vladimir A. Ryazantsev
doaj   +1 more source

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