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1.
NECESSARYANDSUFFICIENTCONDITIONSFOROSCILLATIONSOFNEUTRALDELAYDIFFERENTIALEQUATIONSWITHSEVERALPOSITIVEANDNEGATIVECOEFFICIENTS¥...  相似文献   

2.
NECESSARYANDSUFFICIENTCONDITIONSFOREXISTENCEANDUNIQUENESSOFPERIODICSOLUTIONSOFNEUTRALLINEARFUNCTIONALDIFFERENTIALEQUATIONSWIT...  相似文献   

3.
ASUFFICIENTCONDITIONFORNON-COEXISTENCEOFONEDIMENSIONALMULTICOLORCONTACTPROCESSESLIUXIUFANG(刘秀芳)WANGJUN(王军)(DepartmentofMathem...  相似文献   

4.
冯慧  应隆安 《计算数学》1996,18(1):61-69
间断系数变分不等方程的无限元方法冯慧,应隆安(北京大学数学系)INFINITEELEMENTMETHODFORVARIATIONALINEQUALITIESWITHDISCONTINUOUSCOEFFICIENTS¥FengHut;YingLong-...  相似文献   

5.
NECESSARYANDSUFFICIENTCONDITIONFOROSCILLATIONOFACLASSOFHIGHERORDERNEUTRALEQUATIONSLinYizhong(林宜中)(FujianNormalUniversity,福建师范...  相似文献   

6.
POSITIVESOLUTIONSANDBIFURCATIONOFFULLYNONLINEARELLIPTICEQUATIONSINVOLVINGSUPER-CRITICALSOBOLEVEXPONENTS¥QUCHANGZHENG(屈长征)(Ins...  相似文献   

7.
SUFFICIENTCONDITIONSFORTHEEXISTENCEOFPERIODICSOLUTIONSOFAAUTONOMOUSDIFFERENTIALSYSTEMHuangLihong(黄立宏)YuJianshe(庚建设)(Departmen...  相似文献   

8.
ANITERATIVEALGORITHMFORDETERMININGTIME-DEPENDENTCOEFFICIENTOFTWODIMENSIONALLINEARWAVEEQUATION(苏超伟)西北工业大学,邮编:710072SuChaowei(N...  相似文献   

9.
ANECESSARYANDSUFFICIENTCONDITIONOFEXISTENCEOFGLOBALSOLUTIONSFORSOMENONLINEARHYPERBOLICEQUATIONS¥ZHANGQUANDE(DepartmentofMathe...  相似文献   

10.
OSCILLATIONOFHIGHERORDERNEUTRALDIFFERENTIALEQUATIONSWITHPOSITIVEANDNEGATIVECOEFFICIENTSLiWantong(李万同)(ZhangyeTeachers'College...  相似文献   

11.
FORCEDOSCILLATIONSOFHYPERBOLICDIFFERENTIALEQUATIONSWITHDEVIATINGARGUMENTSCUIBAOTONG(崔宝同)(BinzhouNormalCollege,Binzhou256604,C...  相似文献   

12.
NECESSARYANDSUFFICIENTCONDITIONFOROSCILLATIONOFNEUTRALEQUATIONSWITHSEVERALDELAYS郑祖庥,任洪善安徽大学,邮编:230039黑龙江大学,邮编:150080NECESSARY...  相似文献   

13.
(张泽银)(王建忠)ONNECESSARYANDSUFFICIENTCONDITIONSFORDUALSOFWAVELETFRAMES¥ZhangZeyin(Dept.ofMath.,HubaiUniversity,Wuhan430062,China...  相似文献   

14.
ADMISSIBILITYOFLINEARESTIMATEOFREGRESSIONCOEFFICIENTSINGROWTHCURVEMODELUNDERMATRIXLOSSWANGXUEREN(王学仁)(DepartmentofStatistics,...  相似文献   

15.
THEEXISTENCEOFAWEAKSOLUTIONOFQUASILINEARELLIPTICEQUATIONWITHCRITICALSOBOLVEXPONENTONUNBOUNDEDDOMAINLiGongbao(李工宝)(Inst.ofMath...  相似文献   

16.
TWONEWSUFFICIENTCONDITIONSFORHAMILTON-CONNECTEDGRAPHSWUZHENGSHENG(吴正声)(DepartmentofMathematics,NanjingNomalUniversity,Nanjing...  相似文献   

17.
关于代数特征值反问题有解的充分条件   总被引:4,自引:2,他引:2  
关于代数特征值反问题有解的充分条件张玉诲,朱本仁(山东大学数学系)ONTHESUFFICIENTCONDITIONSFORTHESOLVABILITYOFGENERALALGEBRAICINVERSEEIGENVALUEPROBLEMS¥ZhangY...  相似文献   

18.
THECOMPLEXOSCILLATIONOFNON-HOMOGENEOUSLINEARDIFFERENTIALEQUATIONSWITHINFINITEORDERENTIRECOEFFICIENTS¥LiXianyu(李贤瑜)(JiangxiNor...  相似文献   

19.
STABILITYOFSOLUTIONSOFFIRSTORDERNONLINEARNEUTRALDIFFERENTIALEQUATIONSWITHOSCILLATORYCOEFFICIENTS¥WangQiru(王其如)(LuoyangTeacher?..  相似文献   

20.
关于双重时序AR-MA模型存在平稳解的充要条件卢祖帝(中国科学院系统科学研究所,北京100080)ONTHENECESSARYANDSUFFICIENTCONDITIONSFORTHEEXISTENCEOFSTATIONARYSOLUTIONSTOT...  相似文献   

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