摘要
1IntroductionandPreliminariesItiswellknownthatthesmallestsingularvalueofamatrixisimportantinmatrixthoeryandapplications.VarahandQi,Johnsongavesomeresultsonlowerboundofthesmallestsingularvalue[1—4].Here,weusetheblockpartitionedformofamatrixtoob-taingeneralizedlowerboundsforσn（A）.Furthermore,byscalingwithamatrixDweob-tainanewlowerboundforσAofmatriceswhicharenotpositivedefinitematrices.
出版日期
2000年02月03日（中国期刊网平台首次上网日期，不代表论文的发表时间）
