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Non-nested configuration of algebraic limit cycles in quadratic systems - MaRDI portal

Non-nested configuration of algebraic limit cycles in quadratic systems (Q2496736)

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Non-nested configuration of algebraic limit cycles in quadratic systems
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    Non-nested configuration of algebraic limit cycles in quadratic systems (English)
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    20 July 2006
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    The paper is devoted to the distribution of algebraic limit cycles of a quadratic system in the plane. The main result of this work is the following one: a quadratic system cannot possess two non-nested algebraic limit cycles contained in different irreducible invariant algebraic curves. The proof is based on Darboux first integral of a special form.
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    polynomial differential equations
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    Hilbert's 16th problem
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    algebraic limit cycle
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    quadratic system
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