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OSCILLATION CRITERIA FOR SYSTEMS OF NEUTRAL HYPERBOLIC DIFFERENTIAL EQUATIONS WITH CONTINUOUS DISTRIBUTED DEVIATING ARGUMENTS
Oscillationp system hyperbolic differential equation continuous distributed deviating argument neutral type
2008/11/25
Sufficient conditions are established for oscillation of systems of neutral hyperbolic
differential equations with continuous distributed deviating arguments. The approach
used is to reduce the mult...
Observations of the mesospheric semi-annual oscillation (MSAO) in water vapour by Odin/SMR
MSAO water vapour Odin/SMR
2008/11/25
Mesospheric water vapour measurements taken by the SMR instrument aboard the Odin satellite between 2002 and 2006 have been analysed with focus on the mesospheric semi-annual circulation in the tropic...
Centroid Motion of the Western Pacific Warm Pool during Three Recent El Niño–Southern Oscillation Events
Centroid Motion El Niñ o–Southern Oscillation Events Western Pacific Warm Pool
2008/11/18
The centroid motion of the Western Pacific warm pool for 1982–83, 1986–87 and 1991–93 El Niño–Southern Oscillation events was investigated by analyzing satellite multichannel sea surface temper...
The Quasi-biennial Oscillation and annual variations in tropical ozone from SHADOZ and HALOE
tropical ozone SHADOZ HALOE
2008/11/13
We examine the tropical ozone mixing ratio perturbation fields generated from a monthly ozone climatology using 1998 to 2006 ozonesonde data from the Southern Hemisphere Additional Ozonesondes (SHADOZ...
Kuroshio Path Variations South of Japan: Bimodality as a Self-Sustained Internal Oscillation
Kuroshio Path South of Japan Self-Sustained Internal Oscillation
2008/7/2
In the two decades following 1975, the Kuroshio path south of Japan was observed to oscillate interannually between a straight path state and a meandering state. This bimodal condition is in sharp con...
L'Hospital Type Rules for Oscillation, with Applications
L'Hospital's Rule Monotonicity Oscillation Convexity Yao-Iyer Inequality Bioequivalence Studies Information Inequalities
2008/7/1
An algorithmic description of the dependence of the oscillation pattern of the ratio f / g of two functions f and g on the oscillation pattern of the ratio f' / g' of their derivatives is given. T...
Some Results on the Complex Oscillation Theory of Differential Equations with Polynomial Coefficients
Differential equations Order of growth Exponent of convergence of distinct zeros Wiman-Valiron theory
2008/6/26
Some Results on the Complex Oscillation Theory of Differential Equations with Polynomial Coefficients.
Rainfall-triggered landslides in the Lisbon region over 2006 and relationships with the North Atlantic Oscillation
Rainfall-triggered landslides the North Atlantic Oscillation
2009/12/30
Landslides occurred in the Lisbon area during the last 50 years were almost always induced by rainfall and have been used to establish rainfall thresholds for regional landslide activity. In 2006, thr...
A linearized oscillation result for even-order neutral differential equations
Even-order neutral differential equation linearization
2010/9/15
A linearized oscillation result for even-order neutral differential equations.
Oscillation Theorems for Quasilinear Elliptic Differential Equations
oscillation quasilinear elliptic equation second order vector Riccati transformation
2007/12/13
By using vector Riccati transformation and averaging technique, some oscillation criteria for the quasilinear elliptic differential equation of second order, $$ \sum_{i, j=1}^{N}D_i[\,\Psi(y) A_{ij}(x...
Oscillation of Second Order Nonlinear Delay Damped Difference Equations
oscillation second-order difference equations Riccati techniques
2007/12/11
Some new oscillation criteria for nonlinear delay difference equation with damping $$ \Delta ^{2}x_{n}+p_{n}\Delta x_{n}+F(n,x_{n-\tau },\Delta x_{n-\sigma })=0,\ \ \ \ n=0,1,2,\ldots ,\eqno{(*)} $$ a...
Sufficient Conditions for the Oscillation of Non-autonomous Difference Equations
Non-autonomous difference equation oscillation
2007/12/10
In this paper, we obtain sufficient conditions for the oscillation of the non-autonomous difference equations x(n+1)-x(n)+∑ from (i=1) to m of pi(n)x(n-τ_i)(n)=0,which are the discrete analog of the d...
Oscillation of nonlinear neutral delay differential equations of second-order with positive and negative coefficients
Delay differential equations neutral nonlinear oscillation second-order
2010/2/25
Some oscillation criteria for the following second-order neutral differential equation [x(t)\pm r(t) f( x(t-g))]''+p(t) g(x(t-a)) -q(t) g(x(t-b )) = s(t) where t\geq t0, g,a,b \in R+ with a \geq b, r ...
Oscillation of higher-order nonlinear delay differential equations with oscillatory coefficients
Neutral differential equations, positive and oscillating coefficients
2010/2/25
A criterion is established on the bounded solutions of type higher-order nonlinear neutral differential equations of type oscillatory or tending to zero at infinity [a(t) [x(t)+r(t)x(k(t))]^{(n-1]' +p...
0.4) between temperature and AO appears in the northern China. High correlation coefficients between precipitation and AO cover the southern China (close to the South China Sea) and the ce...