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Abstract
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We study the kind of centers that Hamiltonian Kolmogorov cubic polynomial differential
systems can exhibit. Moreover, we analyze the possible configurations of these centers
with respect to the invariant coordinate axes, and obtain that the real algebraic curve
has at most four
families of level ovals in
for all real parameters
and
.
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Keywords
Hamiltonian system, Kolmogorov systems, cubic polynomial
differential systems, centers, configuration of centers
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Mathematical Subject Classification 2010
Primary: 37K10, 37C27
Secondary: 37K05
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Milestones
Received: 13 December 2017
Revised: 2 April 2019
Accepted: 4 February 2020
Published: 13 July 2020
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