ON CONSTRUCTION OF HIGH ORDER EXPONENTIALLY FITTED METHODS BASED ON PARAMETERIZED RATIONAL APPROXIMATIONS TO exp

ＩｎｔｒｏｄｕｃｔｉｏｎＴｏｇｅｔｈｉｇｈａｃｃｕｒａｃｙｎｕｍｅｒｉｃａｌｓｏｌｕｔｉｏｎｓｏｆｓｔｉｆｆｄｉｆｆｅｒｅｎｔｉａｌｅｑｕａｔｉｏｎｓ,ｗｅｎｅｅｄｈｉｇｈｏｒｄｅｒｎｕｍｅｒｉｃａｌｍｅｔｈｏｄｓｗｈｉｃｈａｒｅｇｏｏｄｉｎｓｔａｂｉｌｉｔｙ．Ｃｏｎｓｉｄｅｒｆｏｌｌｏｗｉｎｇｓｔｉｆｆｄｉｆｆｅｒｅｎｔｉａｌｅｑｕａｔｉｏｎｓ：ｙ′＝ｆ（ｔ,ｙ）,　ｙ（ａ）＝η　　（ｔ∈［ａ,ｂ］）,（１）ｗｈｅｒｅｙ＝（　１ｙ,　２ｙ,…,　Ｎｙ）Ｔ．　　Ａｓｓｕｍｅｔｈｅｓｏｌｕｔｉｏｎ…     

一类二维非线性时滞动力系统的定性分析

本文通过构造Ｌｉａｐｕｎｏｖ泛函，给出了一严二维非线性时滞动力系统｛ｘ（ｔ）＝ｙ（ｔ）；ｙ（ｔ）＝－ｐ（ｘ（ｔ））－ｑ（ｙ（ｔ））＋∫－＾０Ｋ（ｘ（ｔ＋ｓ））ｙ（ｔ＋ｓ）ｄｓ＋ｆ（ｔ）的运动稳定性、有界性、周期运动的存在性和平稳振荡的存在性的几个定理，并给出了时滞范围的简明表达式。     

On the existence of periodic solutions to higher dimensional periodic system with delay

Ｃｏｎｓｉｄｅｒｉｎｇｔｈｅｈｉｇｈｅｒｄｉｍｅｎｓｉｏｎａｌｐｅｒｉｏｄｉｃｓｙｓｔｅｍｓｗｉｔｈｄｅｌａｙｏｆｔｈｅｆｏｒｍｘ′（ｔ）＝Ａ（ｔ,ｘ（ｔ））ｘ（ｔ）＋ｆ（ｔ,ｘ（ｔ－τ））,（１）ｘ′（ｔ）＝ｇｒａｄＧ（ｘ（ｔ））＋ｆ（ｔ,ｘ（ｔ－...     

Existence and iterative algorithms of solutions for generalized mixed quasi-variational inequalities

１　ＰｒｏｂｌｅｍｓＬｅｔＨｂｅａｒｅａｌＨｉｌｂｅｒｔｓｐａｃｅｗｉｔｈｎｏｒｍａｎｄｉｎｎｅｒｐｒｏｄｕｃｔｓｄｅｎｏｔｅｄｂｙ‖·‖ａｎｄ〈·,·〉ｒｅｓｐｅｃｔｉｖｅｌｙ．ＬｅｔＫｂｅａｃｌｏｓｅｄｃｏｎｖｅｘｓｕｂｓｅｔｉｎＨａｎｄｆ：Ｈ→Ｈｂｅａｓｉｎｇｌｅｖａｌｕｅｄｍａｐｐｉｎｇ．Ｔｈｅｃｌａｓｓｉｃａｌｖａｒｉａｔｉｏｎａｌｉｎｅｑｕａｌｉｔｙｐｒｏｂｌｅｍ（ＶＩＰ（ｆ,Ｋ））ｉｓｔｏｆｉｎｄ＾ｘ∈Ｋ（＾ｘ）,ｓｕｃｈｔｈａｔ〈ｆ（＾ｘ）,ｙ－＾ｘ〉≥０　　（ｙ∈Ｋ）．（１）…     

On probabilistic norm of a linear operators and space of operators

ＩｎｔｒｏｄｕｃｔｉｏｎＩｎ［１］,ＸｉａｏｉｎｔｒｏｄｕｃｅｄｔｈｅｎｏｔｉｏｎｏｆｐｒｏｂａｂｉｌｉｓｔｉｃｎｏｒｍｏｆａｌｉｎｅａｒｏｐｅｒａｔｏｒｏｎＭｅｎｇｅｒｐｒｏｂａｂｉｌｉｓｔｉｃｎｏｒｍｅｄｓｐａｃｅ（ｂｒｉｅｆｙ,ＭｅｎｇｅｒＰＮ＿ｓｐａｃｅ）．Ａｎｄｂｙｕｓｉｎｇｔｈｅｎｏｔｉｏｎ,ｕｎｄｅｒｔｈｅｃｏｎｄｉｔｉｏｎｏｆｔ＿ｎｏｒｍΔｓａｔｉｓｆｙｉｎｇΔ（ｔ,ｔ）≥ｔ（ｔ∈（０,１］）,ｈｅｇａｖｅａｄｅｓｃｒｉｐｔｉｏｎｏｆｂｏｕｎｄｅｄｎｅｓｓｏｆｌｉｎｅａｒｏｐｅ…     

求解交变载荷下异形板动力响应的Gurtin半解析法

该方法以Ｇｕｒｔｉｎ变分原理为基础，在空间域作有限元离散，时间域取级数。本文研究了在交变载荷ｑ（ｘ，ｙ，ｔ）＝Ｐ（ｘ，ｙ）ｓｉｎωｔ作用下任意形状板时域级数的取法，使得各种支承条件的动力响应问题均可由本计算模式得到具有相当精度和效率的解。     

An Exact Solution on the Stress Analysis of Fillet Welds

ＡＮＥＸＡＣＴＳＯＬＵＴＩＯＮＯＮＴＨＥＳＴＲＥＳＳＡＮＡＬＹＳＩＳＯＦＦＩＬＩＥＴＷＥＬＤＳＸｕｅＤａｗｅｉ（薛大为）（ＲｅｃｅｉｖｅｄＭａｒｃｈ１．１９９５）ＡｂｓｔｒａｃｔＡｎｅｘａｃｔｓｏｌｕｔｉｏｎｏｎｔｈｅｓｔｒｅｓｓｄｉｓｔｒｉｂｕｔｉ...     

ON THE GENERAL SOLUTION OF CYLINDRICAL SHELL EQUATIONS

ＯＮ　ＴＨＥ　ＧＥＮＥＲＡＬ　ＳＯＬＵＴＩＯＮ　ＯＦ　ＣＹＬＩＮＤＲＩＣＡＬ　ＳＨＥＬＬ　ＥＱＵＡＴＩＯＮＳＰｅｔｅｒＹｉＸｕｅ（薛毅）；ＸｕｅＤａｗｅｉ（薛大为）（ＲｅｃｅｉｖｅｄＯｃｔ．１６，１９９５）Ａｂｓｔｒａｃｔ：Ｉｔｉｓｐｒｏｖｅｄｍａｔ...     

A generalization of Browder's fixed point theorem with applications

１ＩｎｔｒｏｄｕｃｔｉｏｎａｎｄＰｒｅｌｉｍｉｎａｒｉｅｓＩｎ１９６８,Ｂｒｏｗｄｅｒ［１］ｐｒｏｖｅｄｔｈｅｆｏｌｌｏｗｉｎｇｔｈｅｏｒｅｍ．Ｔｈｅｏｒｅｍ１１（Ｂｒｏｗｄｅｒ［１］）　ＬｅｔＥｂｅａＨａｕｓｄｏｒｆｆｔｏｐｏｌｏｇｉｃａｌｌｉｎｅａｒｓｐａｃｅ,ＸａｃｏｍｐａｃｔｃｏｎｖｅｘｓｕｂｓｅｔｏｆＥａｎｄＦ：Ｘ→２Ｘａｍａｐｐｉｎｇｓａｔｉｓｆｙｉｎｇｔｈｅｆｏｌｌｏｗｉｎｇｃｏｎｄｉｔｉｏｎｓ：ⅰ）Ｆｏｒａｎｙｘ∈Ｘ,Ｆ（ｘ）ｉｓｎｏｎｅｍｐｔｙａｎｄｃｏｎｖｅｘ;ⅱ）Ｆｏｒａ…     

A discussion of non-linear mechanism on subtropical anticyclone's extending/shrinking over East-Asia in summer

ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｓｕｂｔｒｏｐｉｃａｌａｎｔｉｃｙｃｌｏｎｅ（ｓｕｂｔｒｏｐｉｃａｌｈｉｇｈ）ｏｖｅｒＥａｓｔ＿Ａｓｉａｒｅｇｉｏｎｉｓａｎｉｍｐｏｒｔａｎｔｓｙｎｏｐｔｉｃｓｙｓｔｅｍｉｎｆｌｕｅｎｃｉｎｇｔｈｉｓｒｅｇｉｏｎ’ｓｗｅ...