Results 61 to 70 of about 106,170 (279)

On the Second Order of Accuracy Stable Implicit Difference Scheme for Elliptic-Parabolic Equations

open access: yesAbstract and Applied Analysis, 2012
We are interested in studying a second order of accuracy implicit difference scheme for the solution of the elliptic-parabolic equation with the nonlocal boundary condition. Well-posedness of this difference scheme is established.
Allaberen Ashyralyev, Okan Gercek
doaj   +1 more source

Elliptic theory of differential edge operators, II: boundary value problems [PDF]

open access: yes, 2013
This is a continuation of the first author's development of the theory of elliptic differential operators with edge degeneracies. That first paper treated basic mapping theory, focusing on semi-Fredholm properties on weighted Sobolev and H\"older spaces ...
Mazzeo, Rafe, Vertman, Boris
core  

On an Elliptic Boundary Value Problem Not in Divergence Form [PDF]

open access: yesProceedings of the American Mathematical Society, 1983
Let G G be a bounded domain in R n ( n ⩾ 2 ) {R^n}(n \geqslant 2) with smooth boundary ∂ G \partial G . We consider the boundary value problem M u − c u
openaire   +2 more sources

Clinically Informed Intelligent Classification of Ovarian Cancer Cells by Label‐Free Holographic Imaging Flow Cytometry

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Quantitative phase maps of single cells recorded in flow cytometry modality feed a hierarchical architecture of machine learning models for the label‐free identification of subtypes of ovarian cancer. The employment of a priori clinical information improves the classification performance, thus emulating the clinical application of liquid biopsy during ...
Daniele Pirone   +11 more
wiley   +1 more source

Solvability of quasilinear elliptic equations in large dimensions

open access: yesElectronic Journal of Differential Equations, 2005
We study the solvability of quasilinear elliptic Dirchlet boundary-value problems. In particular, we show that if the dimension of the domain is large enough then the solution exists independent of the growth rate on right-hand side.
Oleg Zubelevich
doaj  

On the singular boundary value problem for elliptic equations [PDF]

open access: yesTransactions of the American Mathematical Society, 1973
The operator L \mathcal {L} is elliptic and of second order in a domain Ω \Omega in R N {R^N} . We consider the following boundary value problem: L u = f \mathcal {L}u = f in Ω
openaire   +1 more source

Adaptive Autonomy in Microrobot Motion Control via Deep Reinforcement Learning and Path Planning Synergy

open access: yesAdvanced Intelligent Systems, EarlyView.
This study introduces a data‐driven framework that combines deep reinforcement learning with classical path planning to achieve adaptive microrobot navigation. By training a surrogate neural network to emulate microrobot dynamics, the approach improves learning efficiency, reduces training time, and enables robust real‐time obstacle avoidance in ...
Amar Salehi   +3 more
wiley   +1 more source

Discontinuous implicit elliptic boundary value problems

open access: yesDifferential and Integral Equations, 1998
An implicity given elliptic differential equation with homogeneous Dirichlet boundary conditions on a bounded domain \(\Omega \subset \mathbb R^N\) with a smooth boundary is considered. The problem in question is described by the equation \(f(x,u,Lu)=0\), where \(f\) can be discontinuous in all its arguments, \(L\) is a semilinear elliptic operator of ...
Carl, S., Heikkilä, S.
openaire   +3 more sources

Retinal Vessel Segmentation: A Comprehensive Review From Classical Methods to Deep Learning Advances (1982–2025)

open access: yesAdvanced Intelligent Systems, EarlyView.
Four decades of retinal vessel segmentation research (1982–2025) are synthesized, spanning classical image processing, machine learning, and deep learning paradigms. A meta‐analysis of 428 studies establishes a unified taxonomy and highlights performance trends, generalization capabilities, and clinical relevance.
Avinash Bansal   +6 more
wiley   +1 more source

Semilinear problems with bounded nonlinear term

open access: yesBoundary Value Problems, 2005
We solve boundary value problems for elliptic semilinear equations in which no asymptotic behavior is prescribed for the nonlinear term.
Martin Schechter
doaj   +2 more sources

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