LIMIT CYCLE BEHAVIOR IN THREE- OR HIGHER-DIMENSIONAL NON-LINEAR SYSTEMS: THE LOTKA–VOLTERRA EXAMPLE

2001 ◽  
Vol 246 (2) ◽  
pp. 379-386 ◽  
Author(s):  
S.M. SHAHRUZ ◽  
D.A. KALKIN
Filomat ◽  
2017 ◽  
Vol 31 (15) ◽  
pp. 4865-4873 ◽  
Author(s):  
Milos Petrovic

Generalized m-parabolic K?hler manifolds are defined and holomorphically projective mappings between such manifolds have been considered. Two non-linear systems of PDE?s in covariant derivatives of the first and second kind for the existence of such mappings are given. Also, relations between five linearly independent curvature tensors of generalized m-parabolic K?hler manifolds with respect to these mappings are examined.


2019 ◽  
Vol 13 (5) ◽  
pp. 740-749 ◽  
Author(s):  
Kelin Lu ◽  
Changyin Sun ◽  
Qien Fu ◽  
Qian Zhu

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