A REMARK ON THE GLOBAL SMALL SOLUTION FOR GENERAL COUPLED MAXWELL-SCHR■DINGER EQUATIONS IN IR~3

1.IntroductionandMainResultInthispaperwecontinuetostudytheCauchyproblemforgeneralcoupledMaxwellmSchrsdingerequations.Whenthespatialdimensionsarethree,weprovetileexistenceofglobalsmallsolutionfortheCauchyproblemofgeneralcoupledMaxwellSchrsdingerequationsunderLorentzgaugebyapplyingthequasi--energymethodwhichwasintroducedbyV.M.n.erieril].Basingon[2]or[3],CauchyproblemforgeneralcoupledMaxwelL'Schri'dingerequationsunderLorentzgaugecanbewrittenaswherex6R",p,urangeover0,112,3,jrangesover112,3a…     

周期驱动非线性系统共振宽度与混沌的研究

本文用准能量法代替Chirikov的“单摆近似法”,讨论周期驱动非线性系统的共振宽度,结果表明本文方法对共振宽度计算精度有所提高。另外,文中还提出了计算岛宽的一个理论公式,经过与大量数值实验比较,证实该公式基本正确。     

THE CAUCHY PROBLEM FOR GENERAL COUPLEDMAXWELL-SCHR■DINGER EQUATIONS (II)

1.IntroductionandMainResultIn{11westudiedthelocalwell-posednessfortheCauchyproblemforgeneralcoupledMaxwelLSchr6dingerequations.Thisisacontinuationof[1].ItisdevotedtothestudyoftheglobalexistenceofCauchyproblemforgeneralcoupledMaxwell--SchrodlugerequaticusunderLorentzgaugewhenthespatialdimensionsareoneortwobyapplyingthequasi-energymethodwhichwasintroducedbyV.Moncerieft2].Basingon[1],theCauchyproblemforgeneralcoupledMaxweif--Schr6dingerequaticusnuderLorentzgaugecanbewrittenaswherexER",p,u…     

多跨排架结构纵向抗震计算

根据唐山地震以来各个部门对单层排架工业厂房抗震之研究成果，分析了多跨不等高排架厂房的纵向抗震能力，并提出了一种简便计算方法。