简介:Inthispaper,weareconcernedwiththeexistenceofperiodicsolutionsofsecond-ordernon-autonomoussystems.ByapplyingtheSchauder'sfixedpointtheoremandMiranda'stheorem,anewexistenceresultofperiodicsolutionsisestablished.
简介:ACLASSOFSINGULARPERTURBATIONSFORSECONDORDERQUASI-LINEARBOUNDARYVALUEPROBLEMSONINFINITEINTERVALZHAOWEILI(赵为礼)(DepartmentofMath...
简介:Analternating-directionimplicit(ADI)Galerkinnuthodwithmovingfiniteelementspacesisformulatedforaclassofsecond-orderhyperbolicequationsintwospacevariables.AprioriH1-errorestimateisderived.