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Abstract:
The aim of this paper is to prove Artés–Llibre–Valls's conjectures on the uniqueness of limit cycles for the Higgins–Selkov system and the Selkov system. In order to apply the limit cycle theory for Liénard systems, we change the Higgins–Selkov and the Selkov systems into Liénard systems first. Then, we present two theorems on the nonexistence of limit cycles of Liénard systems. At last, the conjectures can be proven by these theorems and some techniques applied for Liénard systems. © 2018 Elsevier Inc.
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Journal of Differential Equations
ISSN: 0022-0396
Year: 2019
Issue: 11
Volume: 266
Page: 7638-7657
2 . 1 9 2
JCR@2019
2 . 4 0 0
JCR@2023
ESI HC Threshold:59
JCR Journal Grade:1
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 6
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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