Results 101 to 110 of about 173,503,456 (301)
Time and classical equations of motion from quantum entanglement via the Page and Wootters mechanism with generalized coherent states. [PDF]
Nat Commun, 2021 Foti C +4 more
europepmc +1 more source
Equations of motion in general relativity
, 2011 Einstein's theory of general relativity describes the gravitational field of a system of stars and predicts their paths by providing the 'equations of motion' of each star.
Asada, H +2 more
core +1 more source
MOGAD Is the Most Common Cause of Isolated Optic Neuritis in Children
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objectives The study aimed to characterize the clinical features, etiologies, and outcomes of isolated, first‐time pediatric ON in the post‐MOG‐IgG era. Methods This was a single‐center retrospective cohort study at Texas Children's Hospital of patients diagnosed with first‐time ON between 2018–2024, with follow‐up data collected through 2025.
Chaitanya Aduru +13 more
wiley +1 more source
Modified Newtonian Dynamics (MOND): Observational Phenomenology and Relativistic Extensions
Living Reviews in Relativity, 2012 A wealth of astronomical data indicate the presence of mass discrepancies in the Universe. The motions observed in a variety of classes of extragalactic systems exceed what can be explained by the mass visible in stars and gas. Either (i) there is a vast
Stacy S. McGaugh, Benoît Famaey
doaj
Single-Pole Interaction of the Particle with the String
Symmetry, Integrability and Geometry: Methods and Applications, 2008 Within the framework of generalized Papapetrou method, we derive the effective equations of motion for a string with two particles attached to its ends, along with appropriate boundary conditions.
Marko Vojinovic, Milovan Vasilic
doaj +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Neurochemical levels measured by brain MR spectroscopy (MRS) have been proposed as endpoints for clinical trials in early‐stage spinocerebellar ataxia (SCA) trials. We tested their trial‐readiness by quantifying neurochemicals in three affected brain regions in early‐stage cohorts of SCA2 and SCA3, examining their reproducibility in ...
James M. Joers +19 more
wiley +1 more source
T1 Over Squared Proton Density Ratio to Characterize Multiple Sclerosis Lesions
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Differentiating remyelinated from demyelinated lesions in MS remains challenging without histological confirmation. This study introduces the T1‐to‐PD2 ratio (TPR) imaging approach and evaluates its ability to characterize MS lesions alongside other quantitative MRI (qMRI) metrics. Methods Thirty individuals with MS (mean age: 47.5 ±
Sarah J. Wright +10 more
wiley +1 more source
Linearization of equations of motion
, 2020 Uvod u linearizaciju jednadžbi gibanja tijela započinjemo teorijskim dijelom gdje predstavljamo uvjete ravnoteže te potrebne korake za dobivanje jednadžbi gibanja u okviru analitičke mehanike. Osim teorijskog dijela obrađene su i matematičke definicije
Matić, Mario
core
Periodic Solutions of the 4-Body Electromagnetic Problem and Application to Li Atom
AppliedMathThe 4-body equations of motion are derived in our previously published paper. Here we prove the existence–uniqueness of a periodic solution by applying the fixed-point method for a suitable introduced operator.
Vasil G. Angelov
doaj +1 more source
Discovering the Generalized Equations of Motion [PDF]
, 2011 This paper is concerned with the development of some novel formalisms falling within the purview of classical mechanics. It reports on the discovery of a set of generalized equations of rectilinear motion.
Bhattacharjee, Pramode Ranjan
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