Periodic solutions of second order self-adjoint difference equations

• Autores: Jianshe Yu, Zhiming Guo, Xingfu Zou
• Localización: Journal of the London Mathematical Society, ISSN 0024-6107, Vol. 71, Nº 1, 2005, págs. 146-160
• Idioma: inglés
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• Resumen

  • Using critical point theory, some sufficient conditions are obtained for the existence of nonconstant -periodic solutions of a class of second order self-adjoint difference equations.