无限维多目标规划的广义α-较多有效解和广义α-较多最优解

借助无限维线性空间的广义α-较多序,本文引进了无限维多目标规划问题的带参数的广义α-较多有效解和广义α-较多最优解.同时,研究了这些解类的有关性质,得到了α-较多有效解和α-较多最优解存在的充要条件.     

ak-较多锥的有关性质

对于有限维Ｅｕｃｌｉｄ空间中带两个参数的ａｋ－较多锥,本文讨论了它与正锥以及有关较多锥类之间的若干关系．同时,还得到此类锥的一些基本性质．     

αk-较多锥的有关性质

对于有限维Euclid空间中带两个参数的αk-较多锥,本文讨论了它与正锥以及有关较多锥类之间的若干关系,同时,还得到此类锥的一些基本性质。     

γ-锥和严格γ-锥

引入有限维向量空间的γ－锥和严格γ－锥的概念．证明了γ－锥是一类闭锥,严格γ－锥是一类开锥．并且,研究了γ－锥和严格γ－锥与较多锥、严格较多锥及它们的闭包和内部之间的关系．     

α—较多锥和严格α—较多锥的内部和闭包

对于有限维Euclid空间中带参数α的α－较多锥和严格α－较多锥,本文通过研究其边界的特性,得到了它们的内部和闭包的表示定理。同时,还讨论了这些开锥和闭锥之间的一些关系。     

张量空间中的真正锥

本指出了献「１」在张量空间中定义的两种锥是一致的,证明了它们是张量空间中的最小真正锥,并可用来表示有限维实空间中由锥不变算子所组成的锥,因而可用来研究锥不变算子。     

张量空间中的真正锥

本文指出了文献 [1 ]在张量空间中定义的两种锥是一致的 ,证明了它们是张量空间中的最小真正锥 ,并可用来表示有限维实空间中由锥不变算子所组成的锥 ,因而可用来研究锥不变算子 .     

多目标规划强较多有效解和弱较多有效解的标量化和对偶性

利用n维Euclid空间中较多锥的闭包,定义了多目标规划强较多有效解.利用较多锥闭包的Minkowski泛函,给出了强较多有效解和弱较多有效解的标量化结果,并讨论了强较多有效解和弱较多有效解的标量对偶问题及其应用.     

多目标规划ak—较多有效解类的若干性质

在（１）中,作者提出多目标规划的较多有效解和较多最优解概念,并研究了它们的基本性质,文（３）则讨论ｋ－较多最优解的若干性质。文（４）利用较多序类进一步引进多目标规划问题的ａｋ－较多有效解,并证明了这类解的最优性必要条件。本文再给出多目标规划问题的ａｋ－较多最优解的概念,并讨论了多目标规划ａｋ－较多有效解和ａｋ－较多最优解的若干重要性质。     

实线性锥距离空间和不动点定理

给出了实线性锥距离空间的概念,其中锥距离取值到没有拓扑结构的实线性空间,并在实线性锥距离空间中建立了几个新的不动点定理.利用非线性标量化函数证明了这些不动点定理与距离空间中相应形式的不动点定理等价.我们的结果改进了锥距离空间中的一些现有不动点定理.     

k-MAJOR ORDER IN REAL INFINITE-DIMENSIONAL LINEAR SPACE AND ITS APPLICATION

§1　IntroductionInfinite-dimensionalvectorspace,themajororderdefined[1]bythenon-covexconehasbeenappliedtothestudyofproblemofmultiobjectiveprogramminganddecisionanal-ysis.Withthedeepeningstudyoftheefficientproblemofnon-convexcone,itisanimpor-tanttopicinlineartopologicalspacetoconstructmajororder.Inthispaper,weintroducethek-majorconeforrealinfinite-dimensionallinearspaceandprovethedecompositionthe-oremforthesenon-convexcones.Throughthem,wedefinek-majororderanddiscusstheirproperties.Becausek-ma…     

锥Pf的若干性质

利用实赋范线性空间E上非零连续线性泛函f,确定了E上半序关系和锥Pf,证明了锥Pf的几个性质,给出了H ilbert空间中Pf的对偶锥的表现形式及由Pf确定的H ilbert投影距离与T hom pson距离.     

Norm-closure of the barrier cone in normed linear spaces

The aim of this note is to characterize the norm-closure of the barrier cone of a closed convex set in an arbitrary normed linear space by means of a new geometric object, the temperate cone.

     

Generalized linear complementarity problems

It has been shown by Lemke that if a matrix is copositive plus on ⁿ , then feasibility of the corresponding linear complementarity problem implies solvability. In this article we show, under suitable conditions, that feasibility of ageneralized linear complementarity problem (i.e., defined over a more general closed convex cone in a real Hilbert space) implies solvability whenever the operator is copositive plus on that cone. We show that among all closed convex cones in a finite dimensional real Hilbert Space, polyhedral cones are theonly ones with the property that every copositive plus, feasible GLCP is solvable. We also prove a perturbation result for generalized linear complementarity problems.This research has been partially supported by the Air Force Office of Scientific Research under grants #AFOSR-82-0271 and #AFOSR-87-0350.     

法向锥与集值映射的单调极大性

研究局部凸空间凸集的法向锥及单调映射与下半连续凸函数的次微分之和的单调极大性．并讨论集值映射循环单调的极大性．     

k-major order in real infinite-dimensional linear space and its application

In this paper,the k-major cone and strict k-major cone in real infinite-dimensional linear space are introduced ,through which the k-major order is defined ,and their properties are also discussed. Therefore ,with the help of them any two elements in real infinite-dimensional linear space can be compared.     

Fuzzy Optimization Problems Based on Ordering Cones

The solution concepts of the fuzzy optimization problems using ordering cone (convex cone) are proposed in this paper. We introduce an equivalence relation to partition the set of all fuzzy numbers into the equivalence classes. We then prove that this set of equivalence classes turns into a real vector space under the settings of vector addition and scalar multiplication. The notions of ordering cone and partial ordering on a vector space are essentially equivalent. Therefore, the optimality notions in the set of equivalence classes (in fact, a real vector space) can be naturally elicited by using the similar concept of Pareto optimal solution in vector optimization problems. Given an optimization problem with fuzzy coefficients, we introduce its corresponding (usual) optimization problem. Finally, we prove that the optimal solutions of its corresponding optimization problem are the Pareto optimal solutions of the original optimization problem with fuzzy coefficients.     

拓扑向量空间中的几个锥广义凸映射

本文引进拓扑向量空间中的几个锥伪凸映射的概念,并且讨论了它们之间及其它的锥广义凸映射之间的关系,最后,给出一个显示各种关系的图表。     

自反Banach空间中向量优化问题弱有效解集特性的进一步研究

本文分别研究了在无限维自反Banach空间中,当控制结构为多面体锥时,-般凸向量优化问题和锥约束凸向量优化问题的弱有效解集的非空有界性,并且把结论应用到了一类罚函数方法的收敛性分析上.     

Affine selections of convex set-valued functions

Summary It is shown that every convex set-valued function defined on a cone with a cone-basis in a real linear space with compact values in a real locally convex space has an affine selection. Similar results can be obtained for midconvex set-valued functions.