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检索条件"主题词=Quadratic integer programming"
41 条 记 录,以下是1-10 订阅
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quadratic integer programming with application to the chaotic mappings of complete multipartite graphs
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2001年 第3期110卷 545-556页
作者: Fu, HL Shiue, CL Cheng, X Du, DZ Kim, JM Natl Chiao Thung Univ Dept Appl Math Hsinchu Taiwan Natl Tsing Hua Univ Natl Ctr Theoret Sci Div Math Hsinchu Taiwan Univ Minnesota Dept Comp Sci & Engn Minneapolis MN USA Chinese Acad Sci Inst Appl Math Beijing Peoples R China
Let a be a permutation of the vertex set V(G) of a connected graph G. Define the total relative displacement of alpha in G by [GRAPHIC] where d(G) (x, y) is the length of the shortest path between x and y in G. Let pi... 详细信息
来源: 评论
ELLIPSOID BOUNDS FOR CONVEX quadratic integer programming
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SIAM JOURNAL ON OPTIMIZATION 2015年 第2期25卷 741-769页
作者: Buchheim, Christoph Huebner, Ruth Schoebel, Anita Tech Univ Dortmund Fac Math D-44221 Dortmund Germany Univ Gottingen Insitute Numer & Appl Math D-37073 Gottingen Germany
Solving convex quadratic integer minimization problems by a branch-and-bound algorithm requires tight lower bounds on the optimal objective value. To obtain such dual bounds, we follow the approach of [C. Buchheim, A.... 详细信息
来源: 评论
On the gap between the quadratic integer programming problem and its semidefinite relaxation
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MATHEMATICAL programming 2006年 第3期107卷 505-515页
作者: Malik, U Jaimoukha, IM Halikias, GD Gungah, SK Univ London Imperial Coll Sci Technol & Med Dept Elect & Elect Engn Control & Power Grp London SW7 2BT England City Univ London Sch Engn & Math Sci London EC1V 0HB England
Consider the semidefinite relaxation (SDR) of the quadratic integer program (QIP): gamma := max {x(T) Qx : x is an element of {-1, 1}(n)} . Thus we show that 'breaching' the SDR gap for the QIP problem is as d... 详细信息
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A new algorithm for quadratic integer programming problems with cardinality constraint
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JAPAN JOURNAL OF INDUSTRIAL AND APPLIED MATHEMATICS 2020年 第2期37卷 449-460页
作者: Wang, Fenlan Cao, Liyuan Nanjing Univ Aeronaut & Astronaut Coll Sci 29 Yudao St Nanjing 210016 Peoples R China Lehigh Univ Ind & Syst Engn Dept Bethlehem PA 18015 USA
quadratic integer programming problems with cardinality constraint have many applications in real life. Portfolio selection is an important application in financial optimization. In this paper we develop an exact and ... 详细信息
来源: 评论
Global optimization techniques for solving the general quadratic integer programming problem
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COMPUTATIONAL OPTIMIZATION AND APPLICATIONS 1998年 第2期10卷 149-163页
作者: Thoai, NV Univ Trier Dept Math D-54286 Trier Germany
We consider the problem of minimizing a general quadratic function over a polytope in the n-dimensional space with integrality restrictions on all of the variables. (This class of problems contains, e.g., the quadrati... 详细信息
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New bounds on the unconstrained quadratic integer programming problem
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JOURNAL OF GLOBAL OPTIMIZATION 2007年 第4期39卷 543-554页
作者: Halikias, G. D. Jaimoukha, I. M. Malik, U. Gungah, S. K. Univ London Imperial Coll Sci Technol & Med Dept Elect & Elect Engn Control & Power Grp London SW7 2BT England City Univ London Sch Engn & Math Sci London EC1V 0HB England
We consider the maximization T gamma = max{x(T)Ax : x. {- 1, 1}(n)} for a given symmetric A epsilon R-n x n. It was shown recently, using properties of zonotopes and hyperplane arrangements, that in the special case t... 详细信息
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ON SIMULTANEOUS APPROXIMATION IN quadratic integer programming
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OPERATIONS RESEARCH LETTERS 1989年 第5期8卷 251-255页
作者: GRANOT, F SKORINKAPOV, J SUNY STONY BROOK WA HARRIMAN SCH MANAGEMENT & POLICYSTONY BROOKNY 11794
It is shown how to replace the objective function of an integer quadratic programming problem by an integer objective function whose size is polynomially bounded by the number of variables and the size of the constrai... 详细信息
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Extensions on ellipsoid bounds for quadratic integer programming
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JOURNAL OF GLOBAL OPTIMIZATION 2018年 第3期71卷 457-482页
作者: Fampa, Marcia Pinillos Nieto, Francisco Univ Fed Rio de Janeiro Rio De Janeiro Brazil
Ellipsoid bounds for strictly convex quadratic integer programs have been proposed in the literature. The idea is to underestimate the strictly convex quadratic objective function q of the problem by another convex qu... 详细信息
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Separable Relaxation for Nonconvex quadratic integer programming: integer Diagonalization Approach
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2010年 第2期146卷 463-489页
作者: Zheng, X. J. Sun, X. L. Li, D. Chinese Univ Hong Kong Dept Syst Engn & Engn Management Shatin Hong Kong Peoples R China Shanghai Univ Dept Math Shanghai 200444 Peoples R China Fudan Univ Sch Management Dept Management Sci Shanghai 200433 Peoples R China
We present in this paper an integer diagonalization approach for deriving new lower bounds for general quadratic integer programming problems. More specifically, we introduce a semiunimodular transformation in order t... 详细信息
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AN IMPLICIT ENUMERATION ALGORITHM FOR quadratic integer programming
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MANAGEMENT SCIENCE 1980年 第3期26卷 282-296页
作者: MCBRIDE, RD YORMARK, JS
We present an implicit enumeration algorithm for a nonseparable quadratic integer programming problem. We utilize fathoming criteria derived from Lemke's complementary pivot algorithm, and compare the use of pseud... 详细信息
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