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一种新型区间数多属性决策算法研究 被引量:11
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作者 齐照辉 张为华 范玉珠 《运筹与管理》 CSCD 2006年第4期51-55,共5页
随着多属性决策问题的复杂性、不确定性日益增强,基于区间数的多属性决策理论与应用研究越来越广泛。基于算子有序性的构建思想,本文提出并构建了基于有序欧几里德算子的区间数多属性决策算法模型,证明了有序欧几里德算子的单调性、齐... 随着多属性决策问题的复杂性、不确定性日益增强,基于区间数的多属性决策理论与应用研究越来越广泛。基于算子有序性的构建思想,本文提出并构建了基于有序欧几里德算子的区间数多属性决策算法模型,证明了有序欧几里德算子的单调性、齐次性和幂等性。采用基于有序欧几里德算子的区间数多属性决策方法对某火炮采购问题进行了决策计算,证明了该方法的有效性与可行性。 展开更多
关键词 区间数 多属性决策 欧几里德算子 有序欧几里德算子
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The Teodorescu Operator in Clifford Analysis 被引量:3
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作者 F.BRACKX H.De SCHEPPER +1 位作者 M.E. LUNA-ELIZARRARS M.SHAPIRO 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2012年第4期625-640,共16页
Euclidean Clifford analysis is a higher dimensional function theory centred around monogenic functions, i.e., null solutions to a first order vector valued rotation in- variant differential operator called the Dirac ... Euclidean Clifford analysis is a higher dimensional function theory centred around monogenic functions, i.e., null solutions to a first order vector valued rotation in- variant differential operator called the Dirac operator. More recently, Hermitian Clifford analysis has emerged as a new branch, offering yet a refinement of the Euclidean case; it focuses on the simultaneous null solutions, called Hermitian monogenic functions, to two Hermitian Dirac operators and which are invariant under the action of the unitary group. In Euclidean Clifford analysis, the Teodorescu operator is the right inverse of the Dirac operator __0. In this paper, Teodorescu operators for the Hermitian Dirac operators c9~_ and 0_~, are constructed. Moreover, the structure of the Euclidean and Hermitian Teodor- escu operators is revealed by analyzing the more subtle behaviour of their components. Finally, the obtained inversion relations are still refined for the differential operators is- suing from the Euclidean and Hermitian Dirac operators by splitting the Clifford algebra product into its dot and wedge parts. Their relationship with several complex variables theory is discussed. 展开更多
关键词 Clifford analysis Teodorescu operator Dirac operator
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