Results 121 to 130 of about 46,797 (304)

Neutral delay differential equation model of an optically injected Kerr cavity [PDF]

open access: yes
A neutral delay differential equation (NDDE) model of a Kerr cavity with external coherent injection is developed that can be considered as a generalization of the Ikeda map with second and higher order dispersions being taken into account.
Vladimirov, Andrei G., Dolinina, Daria
core   +1 more source

On Asymptotic Behavior of Solutions of Generalized Emden-Fowler Differential Equations with Delay Argument

open access: yesAbstract and Applied Analysis, 2014
The following differential equation u(n)(t)+p(t)|u(σ(t))|μ(t) sign  u(σ(t))=0 is considered. Here p∈Lloc(R+;R+),  μ∈C(R+;(0,+∞)),  σ∈C(R+;R+),  σ(t)≤t, and limt→+∞⁡σ(t)=+∞.
Alexander Domoshnitsky, Roman Koplatadze
doaj   +1 more source

Geometry of Stochastic Delay Differential Equations

open access: yesElectronic Communications in Probability, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Catuogno, Pedro, Ruffino, Paulo
openaire   +3 more sources

Heterotropic regulation and negative homotropic cooperativity

open access: yesFEBS Open Bio, EarlyView.
We identified a structural module common to some proteins that couple negative cooperativity with heterotropic regulation, two features that rarely coexist. These proteins are ring‐like and present an ordered asymmetry whereby noncontacting subunits are symmetric, and their tertiary structure differs from that of contacting subunits.
Veronica Morea   +5 more
wiley   +1 more source

Asymptotic properties of trinomial delay differential equations [PDF]

open access: yes, 1999
summary:The aim of this paper is to study asymptotic properties of the solutions of the third order delay differential equation \[ \Big (\frac{1}{r(t)}\,y^{\prime }(t)\Big )^{\prime \prime }-p(t)\,y^{\prime }(t)+g(t)\,y\big (\tau (t)\big )= 0\,.\ast ...
Cecchi, Mariella   +4 more
core   +1 more source

Baseline Regional Cholinergic Denervation Predicts Cognitive Trajectories in Moderate Parkinson Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Cognitive decline is a disabling and variable feature of Parkinson disease (PD). While cholinergic system degeneration is linked to cognitive impairments in PD, most prior research reported cross‐sectional associations. We aimed to fill this gap by investigating whether baseline regional cerebral vesicular acetylcholine transporter ...
Taylor Brown   +6 more
wiley   +1 more source

Mathematical models of health focusing on diabetes: Delay differential equations and data mining [PDF]

open access: yes
Mathematical models have been applied to biology and health to gain a better understanding of physiological systems and disease, as well as to improve levels of treatment and care for certain conditions.
Easton, Jonathan
core  

Elevated Connectivity During Language Processing Is Associated With Cognitive Performance in SeLECTS

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Self‐Limited Epilepsy with Centrotemporal Spikes (SeLECTS) is associated with language impairments despite seizures originating in the motor cortex, suggesting aberrant cross‐network interactions. Here we tested whether functional connectivity in SeLECTS during language tasks predicts language performance.
Wendy Qi   +8 more
wiley   +1 more source

Numerical computation of characteristic multipliers for linear time periodic coefficients delay differential equations [PDF]

open access: yes, 2006
Numerical computation of characteristic multipliers for linear time periodic coefficients delay differential ...
Vermiglio R., Breda D., MASET, STEFANO
core  

Delay Differential Equations

open access: yes, 2015
This is a short presentation on the topic of 'Delay Differential Equations'. In the latter part, I discuss a DDE system - the Mackey-Glass equation, in some detail (phase diagrams, bifurcations, chaos).
openaire   +2 more sources

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