Bulletin of the Korean Mathematical Society (대한수학회보)
- Volume 32 Issue 2
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- Pages.271-279
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- 1995
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- 1015-8634(pISSN)
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- 2234-3016(eISSN)
RANGE OF PARAMETER FOR THE EXISTENCE OF PERIODIC SOLUTIONS OF LI$\'{E}$ NARD DIFFERENTIAL EQUATIONS
- Lee, Yong-Hoon (Department of Mathematics, Pusan National University, Pusan 609-735)
- Published : 1995.08.01
Abstract
In 1986, Fabry, Mawhin and Nkashama [1] have considered periodic solutios for Lienard equation $$ (1_s) x" + f(x)x' + g(t,x) = s, $$ where s is a real parameter, f and g are continuous functions, and g is $2\pi$-periodic in t and have proved that if $$ (H) lim_{
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