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Resultats globals: 3 registres trobats en 2.50 segons.
Articles, 3 registres trobats
Articles 3 registres trobats  
1.
12 p, 915.5 KB Phase portraits of the Higgins-Selkov system / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Mousavi, Marzieh (Isfahan University of Technology. Department of Mathematical Sciences (Iran))
In this paper we study the dynamics of the Higgins-Selkov system x˙=1−xyγ,y˙=αy(xyγ−1−1), where α is a real parameter and γ > 1 is an integer. We classify the phase portraits of this system for γ = 3,4,5,6, in the Poincaré disc for all the values of the parameter α. [...]
2021 - 10.3934/dcdsb.2021039
Discrete and continuous dynamical systems. Series B, Vol. 26 (2021)  
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2.
13 p, 297.3 KB Limit cycles bifurcating from a family of reversible quadratic centers via averaging theory / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Nabavi, Arefeh (Isfahan University of Technology. Department of Mathematical Sciences (Iran)) ; Mousavi, Marzieh (Isfahan University of Technology. Department of Mathematical Sciences (Iran))
Consider the class of reversible quadratic systems x· = y, y· = -x + x²+ y² - r², with r > 0. These quadratic polynomial differential systems have a center at the point ((1 -√(1+4r²)/2, 0) and the circle x² + y² = r² is one of the periodic orbits surrounding this center. [...]
2020 - 10.1142/S0218127420500510
International journal of bifurcation and chaos in applied sciences and engineering, Vol. 30, Issue 4 (March 2020) , p. 2050051  
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3.
15 p, 434.9 KB New Family of Centers of Planar Polynomial Differential Systems of Arbitrary Even Degree / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Mousavi, Marzieh (Isfahan University of Technology. Department of Mathematical Sciences) ; Nabavi, Arefeh (Isfahan University of Technology. Department of Mathematical Sciences)
The problem of distinguishing between a focus and a center is one of the classical problems in the qualitative theory of planar differential systems. In this paper, we provide a new family of centers of polynomial differential systems of arbitrary even degree. [...]
2019 - 10.1007/s10883-019-09432-x
Journal of Dynamical and Control Systems, Vol. 25, issue 4 (Oct. 2019) , p. 619-630  
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Vegeu també: autors amb noms similars
3 Mousavi, Marzieh
1 Mousavi, Mohsen
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