Results 251 to 260 of about 180,670 (290)

Therapeutic Improvement in People With Schizophrenia Undergoing tACS/CBTp (Transcranial Alternating Current Stimulation/Cognitive Behavioral Therapy for Psychosis) Associated With Usual Medication Regimen: Protocol for a Pilot, Randomized, Single-Blind Trial.

JMIR Res Protoc
Iftene F, Farcas A, O'Brien S, Bowie C, Best M, Ayonrinde O, Landry T, Carlson J, Davidson SJ, Rodgerson E, Theis A.   +10 more
europepmc   +1 more source

Effect of different targeted tidal volumes during high-frequency oscillation with volume-targeted ventilation on cerebral blood flow velocity and cardiac output: study protocol for a randomised crossover study. [PDF]

Trials
Kaltsogianni O, Nanjundappa M, Okoye G, Greenough A, Dassios T.   +4 more
europepmc   +1 more source

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Algorithmic Global Criteria for Excluding Oscillations

Bulletin of Mathematical Biology, 2011
We investigate algorithmic methods to tackle the following problem: Given a system of parametric ordinary differential equations built by a biological model, does there exist ranges of values for the model parameters and variables which are both meaningful from a biological point of view and where oscillating trajectories, can be found? We show that in
Weber, A., Sturm, T. ; https://orcid.org/0000-0002-8088-340X, Abdel-Rahman, E.   +2 more
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Oscillation Criteria for Quasilinear Equations

Canadian Journal of Mathematics, 1974
Several authors have recently considered the problem of establishing sufficient criteria to guarantee the oscillation or non-oscillation of all solutions of a second order elliptic equation or system. We mention in particular the papers of C. A. Swanson, [15; 16], K. Kreith [9], Kreith and Travis [10], Noussair and Swanson [13], Allegretto and Swanson [
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Perturbative Oscillation Criteria and Hardy‐Type Ineqalities

Mathematische Nachrichten, 1998
AbstractWe prove a natural generalization of Kneser's oscillation and Hardy's inequality for Sturm‐Liouville differential expressions. In Particular, assuming − d/dxp0(x)+q0(x), x ∈ a, b), −∞≦a<b≦∞, to be nonoscillatory near a (or b), we determine condition on q(x) such that − d/dxp0(x)+q0(x)+q(x) is nonoscillatory, respectively, oscillatory near a (
Gesztesy, F., Ünal, M.
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Chaotic Oscillation via Edge of Chaos Criteria

International Journal of Bifurcation and Chaos, 2017
In this paper, we show that nonlinear dynamical systems which satisfy the edge of chaos criteria can bifurcate from a stable equilibrium point regime to a chaotic regime by periodic forcing. That is, the edge of chaos criteria can be exploited to engineer a phase transition from ordered to chaotic behavior. The frequency of the periodic forcing can be
Itoh, Makoto, Chua, Leon
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Iterative Oscillation Criteria in Deviating Difference Equations

Mediterranean Journal of Mathematics, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
George E. Chatzarakis, Irena Jadlovská
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Oscillation Criteria in Delay Differential Inequalities

Mathematische Nachrichten, 1990
The paper contains new sufficient conditions under which every solution x of delay differential inequalities of the forms \[ x^{(n)}(t)sgn x(t)\geq p(t)\prod^{m}_{i=1}| x(g_ i(t))|^{r_ i} \] and \[ x^{(n)}(t)sgn x(t)\geq \sum^{m}_{i=1}p_ i(t)| x(g_ i(t))|, \] is either oscillatory or \(\lim_{t\to \infty} | x^{(k)}(t)| =\infty\) \((k=0,1,...,n-1 ...
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Oscillation Criteria for Matrix Differential Equations

Canadian Journal of Mathematics, 1967
We shall be concerned at first with some properties of the solutions of the matrix differential equation1.1whereis an n × n symmetric matrix whose elements are continuous real-valued functions for 0 < x < ∞, and Y(x) = (yij(x)), Y″(x) = (y″ ij(x)) are n × n matrices.
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