Results 41 to 50 of about 197,486 (286)

Well-posedness and regularity of the Cauchy problem for nonlinear fractional in time and space equations

open access: yes, 2014
The purpose is to study the Cauchy problem for non-linear in time and space pseudo-differential equations. These include the fractional in time versions of HJB equations governing the controlled scaled CTRW.
Kolokoltsov, V., Veretennikova, M.
core   +1 more source

Cumulant expansion for studying damped quantum solitons [PDF]

open access: yes, 1999
The quantum statistics of damped optical solitons is studied using cumulant-expansion techniques. The effect of absorption is described in terms of ordinary Markovian relaxation theory, by coupling the optical field to a continuum of reservoir modes ...
A. Hasegawa   +82 more
core   +2 more sources

Pseudo-differential operators, equations and boundary value problems [PDF]

open access: yesAIP Conference Proceedings, 2018
We consider pseudo-differential operators in a bounded domain of Euclidean m-dimensional space. A boundary of the domain is a smooth surface excluding some points or smooth sub-surfaces which are singular points of the ...
openaire   +2 more sources

Visual Recovery Reflects Cortical MeCP2 Sensitivity in Rett Syndrome

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Rett syndrome (RTT) is a devastating neurodevelopmental disorder with developmental regression affecting motor, sensory, and cognitive functions. Sensory disruptions contribute to the complex behavioral and cognitive difficulties and represent an important target for therapeutic interventions.
Alex Joseph Simon   +12 more
wiley   +1 more source

Pseudo-almost periodic solutions for first-order neutral differential equations

open access: yesAdvances in Difference Equations, 2018
In this paper, we study a class of first-order neutral differential equations with time-varying delays and coefficients. Employing the fixed point method and differential inequality techniques, easily verifiable delay-independent criteria are established
Yuehua Yu, Shuhua Gong
doaj   +1 more source

On the Moyal quantized BKP type hierarchies

open access: yes, 1997
Quantization of BKP type equations are done through the Moyal bracket and the formalism of pseudo-differential operators.
Faddeev L.D.   +5 more
core   +1 more source

The Impact of Tilburg Frailty on Poststroke Fatigue in First‐Ever Stroke Patients: A Cross‐Sectional Study With Unified Measurement Tools and Improved Statistics

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Poststroke fatigue (PSF) and frailty share substantial overlap in their manifestations, yet previous research has yielded conflicting results due to the use of heterogeneous frailty assessment tools. Objective To evaluate the independent impact of frailty on PSF using a unified measurement system (Tilburg Frailty Indicator, TFI ...
Chuan‐Bang Chen   +6 more
wiley   +1 more source

Periodic solutions to a class of distributed delay differential equations via variational methods

open access: yesAdvances in Nonlinear Analysis, 2023
In this article, we study the existence of periodic solutions to a class of distributed delay differential equations. We transform the search for periodic solutions with the special symmetry of a delay differential equation to the problem of finding ...
Xiao Huafeng, Guo Zhiming
doaj   +1 more source

Energy-Preserving AVF Methods for Riesz Space-Fractional Nonlinear KGZ and KGS Equations

open access: yesFractal and Fractional, 2023
The Riesz space-fractional derivative is discretized by the Fourier pseudo-spectral (FPS) method. The Riesz space-fractional nonlinear Klein–Gordon–Zakharov (KGZ) and Klein–Gordon–Schrödinger (KGS) equations are transformed into two infinite-dimensional ...
Jianqiang Sun, Siqi Yang, Lijuan Zhang
doaj   +1 more source

Impact of Asymptomatic Intracranial Hemorrhage on Outcome After Endovascular Stroke Treatment

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Endovascular treatment (EVT) achieves high rates of recanalization in acute large‐vessel occlusion (LVO) stroke, but functional recovery remains heterogeneous. While symptomatic intracranial hemorrhage (sICH) has been well studied, the prognostic impact of asymptomatic intracranial hemorrhage (aICH) after EVT is less certain ...
Shihai Yang   +22 more
wiley   +1 more source

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