Multiple existence of periodic solutions
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Norimichi Hirano; Wan Se Kim
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Article
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2003
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Elsevier Science
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English
β 146 KB
In this paper, we establish a multiple existence result of periodic solutions for a nonlinear parabolic equations with singular nonlinearity at zero. To establish our result, We use an approximating process by smooth nonlinear functions to avoid a singularity in nonlinear term. And we adapt topologi