Results 11 to 20 of about 189,912,866 (144)

Abstract robust coarse spaces for systems of PDEs via generalized eigenproblems in the overlaps [PDF]

open access: yes, 2013
Coarse spaces are instrumental in obtaining scalability for domain decomposition methods for partial differential equations (PDEs). However, it is known that most popular choices of coarse spaces perform rather weakly in the presence of heterogeneities ...
Dolean Maini, Victorita   +5 more
core   +4 more sources

Theorizing the Principles of Sustainable Production in the context of Circular Economy and Industry 4.0. [PDF]

open access: yes, 2022
The concept of Sustainable Production is evolving with changes triggered by the emergence of new economic and industrial models such as Circular Economy and Industry 4.0.
Garza-Reyes, J.   +4 more
core   +1 more source

Stochastic PDEs with multiscale structure [PDF]

open access: yes, 2012
We study the spatial homogenisation of parabolic linear stochastic PDEs exhibiting a two-scale structure both at the level of the linear operator and at the level of the Gaussian driving noise.
Martin Hairer   +4 more
core   +1 more source

Geometric analysis of quasilinear inequalities on complete manifolds: maximum and compact support principles and detours on manifolds [PDF]

open access: yes, 2021
This book demonstrates the influence of geometry on the qualitative behaviour of solutions of quasilinear PDEs on Riemannian manifolds. Motivated by examples arising, among others, from the theory of submanifolds, the authors study classes of coercive ...
Bianchini, Bruno   +7 more
core   +1 more source

New strong maximum and comparison principles for fully nonlinear degenerate elliptic PDEs [PDF]

open access: yes, 2019
We introduce a notion of subunit vector field for fully nonlinear degenerate elliptic equations. We prove that an interior maximum of a viscosity subsolution of such an equation propagates along the trajectories of subunit vector fields.
Bardi M., Goffi A., Goffi, A.
core   +1 more source

ISS estimates in the spatial sup-norm for nonlinear 1-D parabolic PDEs

open access: yes, 2021
This paper provides novel Input-to-State Stability (ISS)-style maximum principle estimates for classical solutions of nonlinear 1-D parabolic Partial Differential Equations (PDEs).
Iasson Karafyllis, Miroslav Krstic
core   +1 more source

A Class of PDEs with Nonlinear Superposition Principles [PDF]

open access: yes, 2012
Through assuming that nonlinear superposition principles (NLSPs) are embedded in a Lie group, a class of 3rd-order PDEs is derived from a general determining equation that determine the invariant group.
Zhong Weizhou   +3 more
core   +1 more source

Comparison principles for PDEs with a singular potential

open access: yes, 2002
Comparison principles for PDEs with a singular ...
Dupaigne, Louis, Davila, Juan
core   +3 more sources

Multilevel CNNs for parametric PDEs [PDF]

open access: yes, 2023
We combine concepts from multilevel solvers for partial differential equations (PDEs) with neural network based deep learning and propose a new methodology for the efficient numerical solution of high-dimensional parametric PDEs.
Heiß, Cosmas   +2 more
core   +1 more source

Astrocytes Coordinate Neurovascular Coupling During Prolonged Sensory Demand via AQP4/TRPA1/BEST1/D‐Serine Signaling

open access: yesAdvanced Science, EarlyView.
Neuronal activation leads to astrocytic transient volume changes, activating transient receptor potential ankyrin 1 (TRPA1) channels, leading to Ca2+ influx. Activation of TRPA1 causes the release of D‐serine through BEST1. Finally, the augmented extracellular levels of D‐serine boost neuronal activity by binding GluN1‐containing NMDARs, leading to CBV
Kayoung Han   +11 more
wiley   +1 more source

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