Results 101 to 110 of about 22,193,544 (297)
Simultaneous binary collisions in the equal-mass collinear four-body problem
Electronic Journal of Differential Equations, 2015 In the four-body problem, it is not clear what initial conditions can lead to simultaneous binary collision (SBC), even in the collinear case. In this paper, we study SBC in the equal-mass collinear four-body problem and have a partial answer for ...
Tiancheng Ouyang, Duokui Yan
doaj
Solving one-body ensemble N-representability problems with spin [PDF]
QuantumThe Pauli exclusion principle is fundamental to understanding electronic quantum systems. It namely constrains the expected occupancies $n_i$ of orbitals $\varphi_i$ according to $0 \leq n_i \leq 2$. In this work, we first refine the underlying one-body $
Julia Liebert +4 more
doaj +1 more source
On the final evolution of the n-body problem
, 1976 The Newtonian n-body problem is studied. The main result gives the asymptotic properties of the distances between particles as time (t) approaches infinity. It is shown how particles can separate into subsystems between which the distances are asymptotic
Saari, Donald G, Marchal, Christian
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Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Sleep disturbances have been implicated as a risk factor for developing Alzheimer's disease (AD), but evidence linking plasma AD biomarkers to sleep in cognitively unimpaired individuals remains limited. The present study examined associations between evening, morning, and overnight changes in plasma AD biomarkers and measures of ...
Cornelia Sauter +5 more
wiley +1 more source
Oregon Problem Gambling Awareness Week 2003
, 2003 Signs of a problem gambler -- For parents : signs of a possible gambling problem in youth -- For educators : signs of a possible gambling problem in students -- Older adults and gambling -- Problem gambling, signs and symptoms -- Problem gambling and the
core
Parkinson Disease Subtype Stability and Eventual Convergence
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Previous research identified distinct Parkinson disease (PD) clinical subtypes of “Motor Only,” “Psychiatric & Motor,” and “Cognitive & Motor” based on comprehensive, multidomain classification. Whether these subtypes reflect distinct trajectories or progressive disease stages remains unknown.
Laura M. Rosok +10 more
wiley +1 more source
Analysis of Kirk effect of an innovated high side Side-Isolated N-LDMOS device
MATEC Web of Conferences, 2016 An ESOA of LDMOS device is very critical for power device performance. Kirk effect is the one of the major problem which leads to poor ESOA performance. The cause of the problem mainly due to the high beta value of parasitic NPN transistor in the p-body.
Lai Ciou Jhong +8 more
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Arthritis Care &Research, EarlyView.Objective Although the definition of a gout flare is well established, the state of gout flare resolution has not yet been defined. This study aimed to explore patients’ experiences and perceptions of gout flare resolution. Methods Semistructured interviews were conducted with 24 people with gout, guided by open‐ended questions exploring their ...
Sarah Stewart +5 more
wiley +1 more source
Arthritis Care &Research, EarlyView.Objective Orofacial manifestations are significantly impactful in patients with systemic sclerosis (SSc) yet remain understudied, with no dedicated clinical guidelines to inform their management. Methods An international online survey comprised38 questions addressing orofacial manifestations of SSc, including patients’ confidence in their treating ...
Eleni Deligianni +4 more
wiley +1 more source
Refining ensemble N-representability of one-body density matrices from partial information
New Journal of PhysicsThe N -representability problem places fundamental constraints on reduced density matrices (RDMs) that originate from physical many-fermion quantum states.
Julia Liebert +4 more
doaj +1 more source