By using the critical point method, some new criteria are obtained for the existence and multiplicity of homoclinic solutions to a 2nth-order nonlinear difference equation. The proof is based on the Mountain Pass Lemma in combination with periodic approximations. Our results extend and improve some known ones.
@article{bwmeta1.element.doi-10_1515_math-2016-0046, author = {Yuhua Long and Yuanbiao Zhang and Haiping Shi}, title = {Homoclinic solutions of 2nth-order difference equations containing both advance and retardation}, journal = {Open Mathematics}, volume = {14}, year = {2016}, pages = {520-530}, zbl = {06632378}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_1515_math-2016-0046} }
Yuhua Long; Yuanbiao Zhang; Haiping Shi. Homoclinic solutions of 2nth-order difference equations containing both advance and retardation. Open Mathematics, Tome 14 (2016) pp. 520-530. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_1515_math-2016-0046/