Journal of the Operations Research Society of China

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Approximation Randomized Strategy-Proof Mechanisms in Obnoxious Facility Game with Weighted Agents
Journal of the Operations Research Society of China - Tập 4 - Trang 357-370 - 2016
Lan Xiao, Xiao-Zhi Zhang
In this paper, we investigate the obnoxious facility location game with weighted agents. First, we design a randomized group strategy-proof mechanism with approximation ratio $$\frac{3W_\mathrm{max}}{2W_\mathrm{min}}$$ when the weighted agents ar...... hiện toàn bộ
Thuật toán Tỉ lệ Affine cho Lập trình Tuyến tính Hai mục tiêu Dịch bởi AI
Journal of the Operations Research Society of China - - Trang 1-15 - 2023
Marco Antonio Figueiredo Menezes, Nelson Maculan
Đối với bài toán lập trình tuyến tính hai mục tiêu, chúng tôi phát triển một thuật toán tỉ lệ affine với hướng tối thiểu-tối đa và chứng minh tính hội tụ của nó để tìm ra giải pháp hiệu quả. Chúng tôi triển khai thuật toán này cho một số vấn đề nhỏ trong tài liệu.
#lập trình tuyến tính #thuật toán tỉ lệ affine #hai mục tiêu #tính hội tụ
Herscovici’s Conjecture on the Product of the Thorn Graphs of the Complete Graphs
Journal of the Operations Research Society of China - Tập 2 - Trang 263-269 - 2014
Dong-Lin Hao, Ze-Tu Gao, Jian-Hua Yin
Given a distribution of pebbles on the vertices of a connected graph $$G$$ , a pebbling move on $$G$$ ...... hiện toàn bộ
Theory of Compressive Sensing via ℓ 1-Minimization: a Non-RIP Analysis and Extensions
Journal of the Operations Research Society of China - Tập 1 - Trang 79-105 - 2013
Yin Zhang
Compressive sensing (CS) is an emerging methodology in computational signal processing that has recently attracted intensive research activities. At present, the basic CS theory includes recoverability and stability: the former quantifies the central fact that a sparse signal of length n can be exactly recovered from far fewer than n measurements via ℓ 1-minimization or other recov...... hiện toàn bộ
A Sequential Regression Model for Big Data with Attributive Explanatory Variables
Journal of the Operations Research Society of China - Tập 3 - Trang 475-488 - 2015
Qing-Ting Zhang, Yuan Liu, Wen Zhou, Zhou-Wang Yang
As the applications for modeling of big data and analysis advance in scope, computational efficiency faces greater challenges in terms of storage and speed. In many practical problems, a great amount of historical data is sequentially collected and used for online statistical modeling. For modeling sequential data, we propose a sequential linear regression method that extracts essential informatio...... hiện toàn bộ
Necessary Optimality Conditions for Semi-vectorial Bi-level Optimization with Convex Lower Level: Theoretical Results and Applications to the Quadratic Case
Journal of the Operations Research Society of China - Tập 9 - Trang 691-712 - 2020
Julien Collonge
This paper explores related aspects to post-Pareto analysis arising from the multi-criteria optimization problem. It consists of two main parts. In the first one, we give first-order necessary optimality conditions for a semi-vectorial bi-level optimization problem: the upper level is a scalar optimization problem to be solved by the leader, and the lower level is a multi-objective optimization pr...... hiện toàn bộ
Randomized Primal–Dual Proximal Block Coordinate Updates
Journal of the Operations Research Society of China - Tập 7 Số 2 - Trang 205-250 - 2019
Xiang Gao, Yang Xu, Shu Zhong Zhang
Optimization and Operations Research in Mitigation of a Pandemic
Journal of the Operations Research Society of China - Tập 10 Số 2 - Trang 289-304 - 2022
Chen, Cai-Hua, Du, Yu-Hang, Ge, Dong-Dong, Lei, Lin, Ye, Yin-Yu
The pandemic of COVID-19 initiated in 2019 and spread all over the world in 2020 has caused significant damages to the human society, making troubles to all aspects of our daily life. Facing the serious outbreak of the virus, we consider possible solutions from the perspectives of both governments and enterprises. Particularly, this paper discusses several applications of supply chain management, ...... hiện toàn bộ
Phase Retrieval via Sensor Network Localization
Journal of the Operations Research Society of China - Tập 7 - Trang 127-146 - 2018
Sherry Xue-Ying Ni, Man-Chung Yue, Kam-Fung Cheung, Anthony Man-Cho So
The problem of phase retrieval is revisited and studied from a fresh perspective. In particular, we establish a connection between the phase retrieval problem and the sensor network localization problem, which allows us to utilize the vast theoretical and algorithmic literature on the latter to tackle the former. Leveraging this connection, we develop a two-stage algorithm for phase retrieval that...... hiện toàn bộ
Core of the Reinsurance Market with Dependent Risks
Journal of the Operations Research Society of China - Tập 6 - Trang 49-57 - 2017
Jia-Hua Zhang, Shu-Cherng Fang, Yi-Fan Xu
Baton and Lemaire (Astin Bull 12:57–71, 1981) proved the nonemptiness of the core of a reinsurance market in which the risks of companies are independent. However, cases involving dependent risks have received increasing concerns in modern actuarial science. In this paper, we investigate the nonemptiness of the core of a reinsurance market where the risks of different companies may be dependent. W...... hiện toàn bộ
Tổng số: 341   
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