Results 21 to 30 of about 5,897 (117)

Conditional mutual information maps as descriptors of net connectivity levels in the brain

open access: yesFrontiers in Neuroinformatics, 2010
There is a growing interest in finding ways to summarise the local connectivity properties of the brain through single brain maps. Here we propose a method based on the conditional Mutual Information in the frequency domain.
Raymond eSalvador   +4 more
doaj   +1 more source

Circadian clock regulator Bmal1 gates axon regeneration via Tet3 epigenetics in mouse sensory neurons

open access: yesNature Communications, 2023
Axon regeneration of dorsal root ganglia (DRG) neurons after peripheral axotomy involves reconfiguration of gene regulatory circuits to establish regenerative gene programs. However, the underlying mechanisms remain unclear.
Dalia Halawani   +7 more
doaj   +1 more source

A comparison of two causal methods in the context of climate analyses [PDF]

open access: yesNonlinear Processes in Geophysics
Correlation does not necessarily imply causation, and this is why causal methods have been developed to try to disentangle true causal links from spurious relationships. In our study, we use two causal methods, namely, the Liang–Kleeman information flow (
D. Docquier   +8 more
doaj   +1 more source

The potential of Shannon entropy to find the large separation of δ Scuti stars: The entropy spectrum

open access: yesFrontiers in Astronomy and Space Sciences, 2022
This study explores the use of Shannon entropy to find periodic patterns in the oscillation spectra of δ Scuti stars. We have developed a new diagnostic tool for detecting potential patterns that scans for minimal entropic states in the well-known ...
J. C. Suárez
doaj   +1 more source

Enhanced multi-year predictability after El Niño and La Niña events

open access: yesNature Communications, 2023
Several aspects of regional climate including near-surface temperature and precipitation are predictable on interannual to decadal time scales. Despite indications that some climate states may provide higher predictability than others, previous studies ...
Yiling Liu   +5 more
doaj   +1 more source

A Simplified Approach to Investigating the Oscillatory Behavior of Nonlinear Even-Order Neutral Differential Equations

open access: yesMathematics
This article explores the oscillation properties of solutions for higher-order nonlinear neutral functional differential equations. This study sought to establish applicable oscillation conditions for nonlinear NDDEs when α≠β.
Amany Nabih, Mohamed F. Abouelenein
doaj   +1 more source

Oscillatory and non-oscillatory solutions of dynamic equations with bounded coefficients

open access: yesElectronic Journal of Differential Equations, 2018
We analyze second-order half-linear dynamic equations on time scales. We prove oscillation and non-oscillation criteria which are sharp in the sense that the considered equations remain uncovered only for one setting of their coefficients.
Petr Hasil, Michal Vesely
doaj  

Oscillation constant for modified Euler type half-linear equations

open access: yesElectronic Journal of Differential Equations, 2015
Applying the modified half-linear Prufer angle, we study oscillation properties of the half-linear differential equation $$ [ r(t) t^{p-1} \Phi(x')]' + \frac{s(t)}{t \log^pt} \Phi(x) = 0, \quad \Phi(x)=|x|^{p-1}\hbox{sgn} x.
Petr Hasil, Michal Vesely
doaj  

Decomposition of skill scores for conditional verification: impact of Atlantic Multidecadal Oscillation phases on the predictability of decadal temperature forecasts [PDF]

open access: yesGeoscientific Model Development
As the performance of weather and climate forecasting systems and their benchmark systems are generally not homogeneous in time and space and may vary in specific situations, improvements in certain situations or subsets have different effects on overall
A. Richling, J. Grieger, H. W. Rust
doaj   +1 more source

Non-oscillation of periodic half-linear equations in the critical case

open access: yesElectronic Journal of Differential Equations, 2016
Recently, it was shown that the Euler type half-linear differential equations $$ [ r (t) t^{p-1}\Phi(x')]' + \frac{s (t)}{ t \log^p t} \Phi(x) = 0 $$ with periodic coefficients r and s are conditionally oscillatory and the critical oscillation ...
Petr Hasil, Michal Vesely
doaj  

Home - About - Disclaimer - Privacy