共查询到20条相似文献,搜索用时 0 毫秒
1.
2.
《兰州大学学报(自然科学版)》1981,(4)
数学一类St“an问题的近似解析解及其误差估计····,····························……岁学波(卜l)一类非线性偏微分方程(组)Cauchy问题解的唯一性及孤波解········……王明亮(1·11)关于一类非线性特征值问题的一个计算方法·································……未正佑(2·1)关于主型和非主型算子的基本解··,·················……“·····················……陈庆益(2·10)广函空间上算子的亚椭园性········… 相似文献
3.
《兰州大学学报(自然科学版)》1989,(4)
数学Benjamin一Ono方程的初放问题与线性化问题的准确解············……王明亮(1 .1)关于方程”t=△u一f(u(t一:,x),。(t,x))的稳定性··················……牛培平(1.9)弧式拟凸函数的定义及性质···············I.·········……,:’·············……李宝秀(1.17)灰色动态模型建模判据及模型改进···································……杨扬等(1.37)一类半线性椭圆边值问题的多解结果················,···… 相似文献
4.
《兰州大学学报(自然科学版)》1984,(4)
数学一类n次系统零解的稳定性··············……‘·······1······················……权宏顺(3.1)一类拟微分方程Cauc五y问题的可解性··················.···········……..:·…鹿立江(4 .1)集值A一终归紧向量场的广义度·············..····························.:.……范先令(4.10) 力学多层扁圆锥壳的大挠度、弹性特征··········································… 相似文献
5.
《兰州大学学报(自然科学版)》1982,(4)
数;仁一学赫姆霍兹方程在聚焦面旁解的奇性传播·······································……李志深(1·1)何换映象的不动点和周期点……;.....、··…:···一拓··…、·‘认、·········..:.一沈’愉(l·7)。类拟微分算子的caochy问题:二:··……:····~··…‘·..;一“······……安幼丙住·’12)具多重特征的线性偏微分算子局部可解的充分条件、品·...,4·卜一‘...……...i..王景荣(2.24)v‘1.Arn。ld问题在。=4时高次奇点的稳定性···············一;… 相似文献
6.
《兰州大学学报(自然科学版)》1990,(4)
数学代数数域上多项式的一个性质和Hoisenberg群上算子的局部可解性…崔尚斌(1.1)关于偶泛函临界点理论中的空间可分性假设···························……范先令(1 .1的Burg“rs方程与高阶Burgers方程的非线性边一初值问题··········,·……王明亮(2 .1)一类函数空间及其应用······················································……崔尚斌(2.9)一类半无穷规划的恰当罚函数···············1·············… 相似文献
7.
《兰州大学学报(自然科学版)》1992,(4)
数学Hei senberg群上二阶左不变LPDO均局部可解性一辛变换技巧···……崔尚斌(1.1)幂零Lie群Hn⑧Rk上一类非齐次拟微分算子勺亚椭圆性··········……傅初黎等(1.7)全连续映射的双投影逼近及其应用··········································……范先令(1.15)板弯曲问题的边界积分和载荷积分计算·································……丁方允等(2.1)具有一般边界叹Hi lbor之流形上的变分不等式解的存在性及拓扑性质……钟承奎(2 .8)全着色临界… 相似文献
8.
《兰州大学学报(自然科学版)》1986,(4)
数学-二阶抛物型方程的解在角点附近的性状·····……i..················……鹿立江(1 .24)集值(a)型映射的拓扑度······……,’’····································……范先令(2.1)混合元近似解误差的一种渐近表示·…,’,:’·,’’一,’’“·…···············一杨滨等(2.5)关子空间有界图灵机的细分非确定性……,’’····~···········...·······……李廉(2.10)广义膨胀映射的不动点定理...··……,’’······……,’… 相似文献
9.
《四川大学学报(自然科学版)》1987,(4)
数 学广义Volterra方程的极限环………………………………………………………戴国仁(1)关于广义二阶线性递归序列凡(r)=r凡-1(r)+民夕)的单值性……………屈明华(D)关于丢番图方程 DX’+1=y’………………………··。……··,…………………孙 椅(19)关于不定方程组沪一ZX’=1,X’-%’。4和沪一sX=4,X’一工OX‘。9………郑德勋(Zs)多重选择原理下的格结构…………………………………………………………何 明(119)关于区间中的大素因子……………………………………··二……………………祝传忠(126)ltty(R S)[取极小值的充要条件… 相似文献
10.
《兰州大学学报(自然科学版)》1983,(4)
数学关于本源置换群由较低级群生成的问题····-······························……沈杠(1 .1)Kdy一Burgers方程的孤立波解的性质····································……王明亮(1 .9)关于最速下降法的进一步推广················································……李志深等(1 .19)求有向欧拉图一切欧拉闭链的图上作业法···············,·············,···……张福基等(2.1)… 相似文献
11.
《贵州大学学报(自然科学版)》1987,(4)
具Hollin口型功能性反应的食饵一捕食者模型的研究·········……杨世藩陈军(l)积值原理和有限元解的存在性···················································……相小青(9)2一渐近正则映象与不动点······················································……曾文智(17)关于概率度量空间中的压缩映射定理的逆问题······························……何培均(25)关于相对化多项式界… 相似文献
12.
《兰州大学学报(自然科学版)》1993,(4)
数学右逆半群·············……,········································,·······························,·········……罗彦锋(1.1)一类具奇点的解支的延拓方法···························。············································……伍渝江等(1 .6)混合方法的代数稳定性····································… 相似文献
13.
《西北大学学报(自然科学版)》1981,(4)
(按括号内数字依次为期数、页码)驻定运动的周期解··························,·,······································一张棣(1,23)用超双曲型方程的基本解证明Asgeirsson,定理(摘要)········· 相似文献
14.
《西北大学学报(自然科学版)》1982,(4)
(按括号内数字依次为期数、页码)专题研究、,产、,产、、了、、了、.2、,夕‘、夕、,了、,矛、.产‘、少、1了、.了、.了‘、.了、、2、2关于《Cox。双K。认一Plemelj公式的新发明》一文的正确性及其更新证明 ·······································································,,··…,’’···……张世肋银行实时操作系统中外设管理实施方案设计······························一,’’罗景仁用代数数逼近e和e二···… 相似文献
15.
《福建师范大学学报(自然科学版)》1988,(4)
第一期优BC卜代数的链条件与合成列··················································……陈昭木(l)可补子空间的一个定理·······,···············································,····……钟怀杰(6)简单刚架的可靠度计算················································……何健丽林忠民(11)模糊数学在线性规划中的应用····················… 相似文献
16.
17.
《西北大学学报(自然科学版)》1984,(4)
(按括号内数字,依次为期数、页码)专题研究 常微分方程定义的积分曲面·······4························,················,,····一秦元勋(l,1) 在求Lnx值时收敛方式的分析和改进····································,·····……洪蓬(1,17) 状态双函数与双层邻域假设 —《广义层次空间的集体效应》续卜································……康首(l,25) 时钟佯谬及长度收缩佯谬··············… 相似文献
18.
《西北大学学报(自然科学版)》1987,(4)
(按括号内数字依次为期数、页码)校庆征文、.产、.了‘、夕、、产、.产﹄、了、,/、、/、、产l9 内‘几J峥1 2 009“J怪 ,二,曰O乙。口的jJ吸J任西北大学地质系的回顾与展望··························,···············……赵重远等(4、物理学家岳劫恒先生传略·····························,··················……张景勋等(4、单叶函数·················································… 相似文献
19.
《西北大学学报(自然科学版)》1985,(4)
(按括号内数字,依次为期数、页码)专题研究一类高阶偏微分方程基本解的构造·····~···································……凌岭(l,1)Nehari不等式的应用·································……”···············……马万仓(l,5)规范LR(k)分析算法的优化·············································……付松林等(1,12)单叶函数的de Branges定理······················… 相似文献
20.
《福州大学学报(自然科学版)》1988,(4):131-133
总 目录 一类微分系统周期解的存在性………………………何祥健 1.1无向简单图P-中心的求法…………………………………刘 岩1.8关于顶点凝聚度的几个定理 …………………………………郭玉端 2.1P-1阶图组相容的一个算法…………………………康 泰 林可容 2.7矩阵广义对角占优的若干充分必要条件……………………张天树 2.14一种以秩和为因子的模糊聚类预报法…………………………林景荣 3.1指数型二分法的粗糙度估计与概周期解存在性…………………曾唯尧3.7小参数自共轭问题Exponential Box格式的一致收敛性…………………………………… 相似文献