Sufficient conditions for the Sal'nikov equation to have at least two limit cycles |
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| Authors: | Helmar Nunes Moreira Wang Yuquan |
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| Institution: | (1) Departamento de Matemática, Universidade de Brasilia- UnB, Instituto de Ciências Etatas, 70919 Brasilia, DF, Brazil;(2) Department of Mathematics, Huaihua Teacher's College, Huaihua, Hunan, Peoples Republic of China |
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| Abstract: | We show that the Sal'nikov thermokinetic oscillator system has at least two limit cycles, an unstable one lying inside a stable one. The proof uses the elementary technique of Liénard's equation. |
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