Results 141 to 150 of about 3,018,745 (286)

Controllability and Observability Conditions for Impulsive DAEs on Time Scales

open access: yesAsian Journal of Control, EarlyView.
ABSTRACT This paper establishes criteria for controllability and observability in a class of linear time‐invariant impulsive differential‐algebraic equations (DAEs) defined on a time scale. Controllability is defined as the ability to transfer the system state from any initial condition to any desired state within a finite time interval using an ...
Awais Younus   +3 more
wiley   +1 more source

Influence of Dynamical Friction on the Unstable Manifolds of Lagrange Points in Barred Galaxies

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT Some time ago the idea has been proposed that rings and spirals in barred galaxies are shaped by the unstable manifolds of the Lagrange points sitting near the ends of the bar. The topic of the present article is an investigation of whether the numerical support for this suggestion can be improved by the inclusion of dynamical friction into ...
Christof Jung
wiley   +1 more source

Autism Screening in the First Year and Beyond: Comparison of Multiple Measures

open access: yesAutism Research, EarlyView.
ABSTRACT Autism screening aids in early detection and diagnosis. Several screeners are available for toddlers 16 months and older, but there is little data on the accuracy of screening measures used in the first year of life. A community sample (N = 1641) completed three screeners—M‐CHAT‐R, ITC, VIRSA—online at 6, 9, 12, 18, and 24 months of age ...
Devon N. Gangi   +7 more
wiley   +1 more source

John Berger at 90

open access: yes
In this podcast by Verso and the London Review of Books, Gareth Evans is joined by Tom Overton, editor of Landscapes: John Berger on Art, Yasmin Gunaratnam, editor of A Jar of Wild Flowers, and Mike Dibb, film-maker and director of Ways of Seeing, to ...
Verso, Books
core   +2 more sources

The Effects of Electronic Books Designed for Children in Education

open access: yes, 2008
Electronic books are quickly becoming more prominent in the field of education because of their advantages over traditional printed textbooks. As more electronic textbooks are being produced and utilized in classrooms, we must investigate just how ...
Chau, Michelle
core  

Cost‐utility analysis of nusinersen–risdiplam switch in patients with spinal muscular atrophy in Croatia: A discrete event simulation model

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Introduction In recent years, the treatment of spinal muscular atrophy (SMA), a rare disease, has significantly progressed, improving patients' survival and overall quality of life. However, current SMA treatments are expensive, and some (nusinersen) are very inconvenient for patients.
Andrej Belančić   +4 more
wiley   +1 more source

A Most Valuable Player: The Place of Books in Teaching Children to Read

open access: yesJournal of Childhood Studies, 2007
Gregory Bryan   +2 more
doaj  

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