Results 161 to 170 of about 3,095,070 (339)

Combs, Fast and Slow: Non‐Adiabatic Mean‐Field Theory of Active Cavities

open access: yesLaser &Photonics Reviews, EarlyView.
A unified mean‐field theory is developed that describes active cavities with dynamics of any speed, whether they be fast, slow, or anything in between. By creating an operator‐based framework that makes no adiabatic approximation, this approach delivers more efficient simulations and new analytical insights for a wide range of integrated combs, such as
David Burghoff
wiley   +1 more source

Precedence‐Constrained Shortest Path

open access: yesNetworks, EarlyView.
ABSTRACT We propose a variant of the shortest path problem where the order in which vertices occur in the path is subject to precedence constraints. Precedence constraints are defined in terms of vertex pairs (a,b)$$ \left(a,b\right) $$ which indicate that a vertex a$$ a $$ is the predecessor of a vertex b$$ b $$.
Christina Büsing   +2 more
wiley   +1 more source

Some infinite classes of asymmetric nearly Hamiltonian snarks

open access: yesLe Matematiche, 2010
We determine the full automorphism group of each member of three infinite families of connected cubic graphs which are snarks. A graph is said to be nearly hamiltonian if it has a cycle which contains all vertices but one.
Carla Fiori, Beatrice Ruini
doaj  

Sensitivity‐Based Distributed Model Predictive Control for Non‐Linear Systems Under Inexact Optimization

open access: yesOptimal Control Applications and Methods, EarlyView.
This article introduces a novel sensitivity‐based algorithm for nonlinear distributed model predictive control. The algorithm requires only local computations with one neighbor‐to‐neighbor communication step per iteration and exhibits a linear order of convergence under suitable conditions.
Maximilian Pierer von Esch   +2 more
wiley   +1 more source

Elucidating the Three‐Dimensional Structure of Piracetam through Rotational Spectroscopy

open access: yesChemistryOpen, EarlyView.
Neutral molecules of the nootropic drug piracetam are generated by laser ablation and structurally characterized by microwave spectroscopy. Two conformers differing in the exo/endo configuration of the pyrrolidine ring are detected, with exo being the predominant form.
S. Mato   +4 more
wiley   +1 more source

Efficient and accurate binding free energy calculation of Aβ9–40 protofilament propagation

open access: yesProteins: Structure, Function, and Bioinformatics, EarlyView.
Abstract Self‐assembled aggregation of peptides and proteins into regular amyloid fibrils is associated with several neurodegenerative diseases. In case of Alzheimer's disease proteolytic cleavage products of the amyloid precursor protein form pathological amyloid‐beta fibrils in a nucleation and propagation phase.
Christina V. Frost   +2 more
wiley   +1 more source

Phosphorylation Changes SARS‐CoV‐2 Nucleocapsid Protein's Structural Dynamics and Its Interaction With RNA

open access: yesProteins: Structure, Function, and Bioinformatics, EarlyView.
ABSTRACT The SARS‐CoV‐2 nucleocapsid protein, or N‐protein, is a structural protein that plays an important role in the SARS‐CoV‐2 life cycle. The N‐protein takes part in the regulation of viral RNA replication and drives highly specific packaging of full‐length genomic RNA prior to virion formation.
Stefan Loonen   +3 more
wiley   +1 more source

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