Results 101 to 110 of about 10,238,385 (298)

Oscillation criteria for delay difference equations

open access: yesElectronic Journal of Differential Equations, 2001
This paper is concerned with the oscillation of all solutions of the delay difference equation $$ x_{n+1}-x_n+p_nx_{n-k}=0, quad n=0,1,2,dots $$ where ${p_n}$ is a sequence of nonnegative real numbers and $k$ is a positive integer.
Jianhua Shen, I. P. Stavroulakis
doaj  

A note on the existence of non-monotone non-oscillating wavefronts

open access: yes, 2013
11 pages, 3 figures ...
Ivanov, Anatoli   +2 more
openaire   +2 more sources

Oscillation and Non-oscillation in Solutions of Nonlinear Stochastic Delay Differential Equations

open access: yesElectronic Communications in Probability, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Appleby, John, Kelly, Conall
openaire   +3 more sources

Fully Additive Vertical Organic Electrochemical Transistors on Renewable and Compostable Substrates Enable Ultrasensitive Bioelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Fully additive vertical organic electrochemical transistors (vOECTs) with channel‐length of 226 nm on a 50 µm compostable substrate achieve >106 current modulation and ∼36 mS transconductance. Ion‐selective integration enables 1.1 mA dec−1 sensitivity and 36 µm detection limit, highlighting a scalable platform for sustainable electronics and ...
Giulia Frusconi   +3 more
wiley   +1 more source

Tropical ocean-atmosphere controls on inter-annual climate variability in the Cretaceous Arctic

open access: yes, 2011
The first annually resolved sedimentary record from the Cretaceous is used to develop time series of inter-annual and decadal scale climate variability from the Arctic Ocean.
Kemp, Alan E.S.   +5 more
core   +1 more source

The North Atlantic Oscillation, climate change and the ecology of British insects [PDF]

open access: yes, 2012
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Evidence is accumulating that climate change is having a significant effect on a wide range of organisms spanning the full range of biodiversity found on ...
Westgarth-Smith, Angus
core   +4 more sources

Theta Oscillations Alternate With High Amplitude Neocortical Population Within Synchronized States

open access: yesFrontiers in Neuroscience, 2019
Synchronized states are marked by large-amplitude low-frequency oscillations in the cortex. These states can be seen during quiet waking or slow-wave sleep. Within synchronized states, previous studies have noted a plethora of different types of activity,
Erin Munro Krull   +3 more
doaj   +1 more source

Chemical State Detection and Charge Transfer in Complex Oxide Heterostructures via In Situ Auger Electron Spectroscopy

open access: yesAdvanced Functional Materials, EarlyView.
In situ Auger Electron Spectroscopy resolves oxidation states with high fidelity during the pulsed laser deposition of multivalent perovskite manganate and vanadate heterostructures. The chemical‐state signature is carried by the valence‐electron population of the transition‐metal cation, read out through the relative intensities of Auger fine ...
Harish Kumarasubramanian   +1 more
wiley   +1 more source

Extracting winter North Atlantic Oscillation information from a central European stalagmite [PDF]

open access: yes, 2013
This study explores the potential for extracting winter North Atlantic Oscillation (NAO) information from central European stalagmites using a high resolution calcite δ18O (δ18Ocal) time-series from a stalagmite (AH1) extracted from Atta cave in ...
Gilliatt, Sam Matthew Rupar
core  

Slow Oscillation in Non-Lemniscal Auditory Thalamus

open access: yes, 2003
In the present study, we investigated the oscillatory behavior of the auditory thalamic neurons throughin vivointracellular and extracellular recordings in anesthetized guinea pigs.
Jufang He
core   +1 more source

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