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81.
Moshe Katz 《Israel Journal of Mathematics》1971,9(1):53-72
Let ℬ(m) be the set of all then-square (0–1) matrices containingm ones andn
2−m zeros, 0<m<n
2. The problem of finding the maximum ofs(A
2) over this set, wheres(A
2) is the sum of the entries ofA
2,A ∈ ℬ (m) is considered. This problem is solved in the particular casesm=n
2 −k
2 andm=k
2,k
2>(n
2/2).
This paper forms part of a thesis in partial fulfillment of the requirements for the degree of Doctor of Science at the Technion-Israel
Institute of Technology. The author wishes to thank Professor B. Schwarz and Dr. D. London for their help in the preparation
of this paper. 相似文献
82.
Moshe Sniedovich 《Operations Research Letters》1985,4(1):19-21
This paper presents the essentials of a method designed to solve optimization problems whose objective functions are of the form g(x)+ ψ(u(x)), where ψ is differentiable and either concave or convex. It is shown that solutions to such problems can be obtained through the solutions of the Lagrangian problem whose objective function is of the form g(x)+ λu(x). 相似文献
83.
Moshe Jarden 《Mathematische Annalen》1975,213(2):109-127
84.
85.
Moshe Sniedovich 《Discrete Applied Mathematics》1984,9(3):301-305
A method is introduced for the solution of minimization problems possessing objective functions of the form g(x)+?(u(x)), where ? is differentiable and concave. It is shown that a solution to such problems can be obtained through the solution of the Lagrangian problem whose objective function has the form g(x)+λu(x). 相似文献
86.
87.
We study some properties of the numerical radius of matrices with non-negative entries, and explicit ways to compute it. We also characterize positive matrices with equal spectral and numerical radii, i.e., positive spectral matrices. 相似文献
88.
89.
This paper presents a stochastic allocation model for a sequential financial problem involving the allocation of funds to uncertain future payments. It is shown that under certain conditions the optimal allocation policies are piece-wise linear with the budget available, and that there exists an intimate relationship between these policies and the myopic policies obtained from the solution of a sequence of single-payment problems. A numerical example is provided and, finally, certain technical and methodological issues associated with a chance constraint version of the problem are discussed. 相似文献
90.
The effects of the inorganic matrix of the oil shale on the oxidation of the kerogen at temperatures up to 1000°C in an air atmosphere were investigated Kerogen was isolated by successive HCl, HF and LiAlH4 treatments. The initial shale and each product of every demineralization process were oxidized in a thermogravimetric system in an air atmosphere. The oxidation products were analyzed by Fourier transform infrared spectroscopy. Changes in the chemical structure of the organic material of the shale were correlated with the separated constituents of the inorganic matrix. Oxidation of the kerogen occurred in two stages. The first stage was complete at about 400°C. The oxidized product after the first stage contained a char of an aromatic ring system substituted with some aliphatic material and carbonyl groups. Calcium minerals increased the reactivity of the aromatic part of the organic material towards the oxidation reactions. Where calcium minerals were absent, mainly the aliphatic and the carbonyl groups decomposed. Silicates and pyrites did not affect the reactivity of the organic material in oxidation reactions. 相似文献