Multiple existence of periodic solutions
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Norimichi Hirano; Wan Se Kim
📂
Article
📅
2003
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Elsevier Science
🌐
English
⚖ 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