摘要
UsingtheinterpolationtheoryofafamilyoflinearoperatorsandtheSobolevspaces,weintroduceaquantityJ_∈~4(λ)whichdepictstheshapeoftheboundarylayer,andthenanalyzetheboundarysingulartyofJ_∈~4(λ).Ourresultshowsthatthethicknessoftheboundarylayer(ortheregularregionofJ_∈~4(λ))isintrinsicallyrelatedtothereciprocaloftheorderoftheequation;thelossofboundaryconditionsbetweenthesingularsolutionandthelimitsolutiondoesnotinfluencethethicknessoftheboundarylayer,butitinfluencestheprocessofincreasingsingularityofJ_∈~4(λ);themorethelossofboundaryconditions,thesmallertheregionofincreasingsingularity.Finally,wegiveadefinitionofaneighborhoodofsuddenchangeandproposeanopenproblemregardingthisneighborhood.
出版日期
1993年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）
