𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Linear estimate for the number of limit cycles of a perturbed cubic polynomial differential system

✍ Scribed by Jaume Llibre; Hao Wu; Jiang Yu


Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
656 KB
Volume
70
Category
Article
ISSN
0362-546X

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


The number of limit cycles for a family
✍ Guanghui Xiang; Maoan Han; Tonghua Zhang πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 441 KB

In thin paper~ the number of hmlt cycles m a family of polynomial systems was studmd by the bifurcation methods With the help of a computer algebra system (e.g., MAPLE 7 0), we obtain that the least upper bound for the number of hmlt cycles appearing m a global bifurcation of systems (2.1) and ( 2.2

Bifurcation of limit cycles at the equat
✍ Qi Zhang; Gui Weihua; Yirong Liu πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 391 KB

In this paper, center conditions and bifurcation of limit cycles from the equator for a class of polynomial system of degree seven are studied. The method is based on converting a real system into a complex system. The recursion formula for the computation of singular point quantities of complex sys

Estimations for the Separation Number of
✍ JEAN-PIERRE DEDIEU πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 359 KB

We give a lower bound for the minimum distance between two zeros of a polynomial system f in terms of the distance of f to a variety of ill-posed problems.