Abstract
In this chapter I want to give a general background to the center-focus problem, and then to show why the problem is interesting: both in what it tells us about the distinctive algebraic features of polynomial vector fields, and also in the simple concrete estimates it gives of the number of limit cycles which can exist in these vector fields.
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© 2007 Birkhäuser Verlag
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(2007). Centers and Limit Cycles. In: Limit Cycles of Differential Equations. Advanced Courses in Mathematics CRM Barcelona. Birkhäuser Basel. https://doi.org/10.1007/978-3-7643-8410-4_1
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DOI: https://doi.org/10.1007/978-3-7643-8410-4_1
Publisher Name: Birkhäuser Basel
Print ISBN: 978-3-7643-8409-8
Online ISBN: 978-3-7643-8410-4
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