Results 211 to 220 of about 79,204 (264)

Wavefront sensing at a high-repetition-rate X-ray free-electron laser. [PDF]

open access: yesJ Synchrotron Radiat
Guest T   +18 more
europepmc   +1 more source

T cell decision-making decodes the dynamic antigenic landscape. [PDF]

open access: yesFront Immunol
Eizenberg-Magar I   +3 more
europepmc   +1 more source

Ultrafast Electrical Charge Injection in Operating Perovskite Light-Emitting Diodes by Infrared Optical Control

open access: yes
Bakulin A   +11 more
europepmc   +1 more source
Some of the next articles are maybe not open access.

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Timescales of cognition in the brain

Current Opinion in Behavioral Sciences, 2021
We live in a world that changes on many timescales. To learn and make decisions appropriately, the human brain has evolved to integrate various types of information, such as sensory evidence and reward feedback, on multiple timescales. This is reflected in cortical hierarchies of timescales consisting of heterogeneous neuronal activities and expression
Alireza Soltani   +3 more
openaire   +2 more sources

Profits and Pitfalls of Timescales in Asymptotics [PDF]

open access: yesSIAM Review, 2015
Certain timescales, like \(t,\) \(\varepsilon t,\) \(\varepsilon^{2}t,\) \(\ldots,\) arise naturally in perturbation problems for ordinary differential equations involving a small positive parameter \(\varepsilon.\) Multiscale methods represent very useful tools of analysis and anticipation of time scales is helpful in many problems, but not always ...

exaly   +3 more sources

Slow Timescale Adaptive Control for Multiple-Timescale Systems

Journal of Guidance, Control, and Dynamics, 2023
Multiple-timescale systems are a noteworthy class of dynamic systems that can be modeled with singularly perturbed differential equations. Adaptive control has not been studied in the context of singularly perturbed plants. This paper introduces and evaluates three methods of adaptive control for multiple-timescale systems.
Kameron Eves, John Valasek
openaire   +1 more source

Why the Kelvin–Helmholtz timescale is not really their timescale

New Astronomy Reviews, 2008
Abstract We review the works of Helmholtz and Kelvin and their timescale and show that it is not what is called in classical text books the Kelvin–Helmholtz time scale. Next we review the work of Ritter and show that he was the first to calculate what is erroneously attributed today to Kelvin and Helmholtz.
openaire   +1 more source

Long timescale simulations

Current Opinion in Structural Biology, 2000
Computers are becoming increasingly fast, making it possible to perform simulations of macromolecules on timescales that were previously inaccessible. Questions have arisen concerning how well we are keeping up with computer power and the state of the art with respect to long molecular dynamics simulations in solvent.
openaire   +2 more sources

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