Results 211 to 220 of about 3,871,096 (377)

Hopfield Neural Networks for Online Constrained Parameter Estimation With Time‐Varying Dynamics and Disturbances

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This paper proposes two projector‐based Hopfield neural network (HNN) estimators for online, constrained parameter estimation under time‐varying data, additive disturbances, and slowly drifting physical parameters. The first is a constraint‐aware HNN that enforces linear equalities and inequalities (via slack neurons) and continuously tracks the ...
Miguel Pedro Silva
wiley   +1 more source

Heteroclinic orbits in plane dynamical systems.

open access: yes, 2002
The authors consider boundary value problem \[ \begin{cases} u'' = h (t, u, u'),\\ u (-\infty ) = 0, \quad u (+\infty ) = 1, \end{cases} \] where \(h\) is a continuous function and \(h (t, 0, 0) = h (t, 1, 0)=0\). There are established several conditions guaranteeing the existence and non-existence of the solution of the mentioned problem. The question
MALAGUTI, Luisa, C. Marcelli
openaire   +2 more sources

Infrared Neural Stimulation Elicits Distinct Molecular Pathways in Astrocytes Based on Laser Pulse Parameters

open access: yesAdvanced Biology, EarlyView.
Infrared (IR) light evokes distinct calcium and water transport responses in astrocytes, depending on stimulation duration and protocol. This study uses widefield imaging and pharmacology to reveal differential engagement of astroglial signaling pathways.
Wilson R. Adams   +7 more
wiley   +1 more source

Tunable unconventional spin orbit torque magnetization dynamics in van der Waals heterostructures. [PDF]

open access: yesNat Commun
Pandey L   +14 more
europepmc   +1 more source

Primary Human Tissue Models for Metabolic Dysfunction‐Associated Liver Disease ‐ toward Streamlining Drug Discovery with Patient‐Derived Assays

open access: yesAdvanced Biology, EarlyView.
The review provides a critical up‐to‐date overview of the current landscape of human in vitro models for fatty liver disease, including spheroids, organoids, organ‐on‐a‐chip systems, bioprinted liver constructs and precision‐cut liver slices. Their utility for faithfully modeling different stages of MASLD and MASH are evaluated and their compatibility ...
Sonia Youhanna   +6 more
wiley   +1 more source

Experimental realization of a SU(3) color-orbit coupling in an ultracold gas. [PDF]

open access: yesNat Commun
Madasu CS   +8 more
europepmc   +1 more source

Engineering the Link: From Genome Interaction Maps to Functional Insight

open access: yesAdvanced Biology, EarlyView.
Advances in chromosome conformation capture have revealed the genome's 3D organization, yet its causal impact on gene regulation remains elusive. This review highlights emerging genome‐engineering tools ‐ zinc fingers, TALEs, and CRISPR‐Cas9 ‐ that enable targeted manipulation of chromatin loops to dissect structure–function relationships. It discusses
Frido Petersen   +5 more
wiley   +1 more source

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