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The isochronous center on center manifolds for three dimensional differential systems

, 2019
In this paper, we give a direct method to study the isochronous centers on center manifolds of three dimensional polynomial differential systems. Firstly, the isochronous constants of the three dimensional system are defined and its recursive formulas are given.
Huang, Wen Tao, Wang, Qin Long, Du, Chao Xiong +2 more
openaire +2 more sources

Creep and creep rupture of strongly reinforced metallic composites [PDF]

A creep and creep damage theory is presented for metallic composites with strong fibers. Application is to reinforced structures in which the fiber orientation may vary throughout but a distinct fiber direction can be identified locally (local transverse
Binienda, W. K., Miti-Kavuma, M., Robinson, D. N. +2 more
core +1 more source

On the monotonicity criteria of the period function of potential systems

, 2012
The purpose of this paper is to study various monotonicity conditions of the period function $T(c)$ (energy-dependent) for potential systems $\ddot x + g(x)=0$ with a center at the origin 0.
Chouikha, A. Raouf
core +1 more source

The effect of time-space compression in the Yangtze River Delta region under transportation integration: An accessibility-based analysis. [PDF]

PLoS One
Shang S, Jiang H.
europepmc +1 more source

Interindividual differences in auditory processing moderate the effect of auditory-motor coupling on paired-associate learning. [PDF]