搜索结果: 1-8 共查到“数学 Trade”相关记录8条 . 查询时间(0.019 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A decomposition of pollution intensity in China's value-added trade
中国 增值贸易 污染强度 分解
2023/4/24
Based on a multi-regional input-output model, this study explores the temporal changes and driving forces of China's environmental losses relative to its economic gains from international trade with e...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Research on Port Cities' Transportation System and Trade Flows in China
中国港口城市 交通系统 贸易流动
2023/5/5
This paper quantitatively investigates the effect of transportation system on trade flows of four major port cities in China. Due to the significant country-pair heterogeneities in both intercept and ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：International trade and Covid-19: City-level evidence from China's lockdown policy
国际贸易 新冠肺炎 中国封锁政策 城市证据
2023/5/16
We examines the impact of Covid-19 lockdowns on exports by Chinese cities. We use city-level export data at a monthly frequency from January 2018 through April 2020. Differences-in-differences estimat...
Bounds and Trade-offs for Double-Base Number Systems
Elliptic Curve Cryptography Scalar Multiplication Double-Base Number System Double-Base Chain
2012/12/4
During the past twenty years, elliptic curves have attracted more and more attention fromthe cryptography community.One of the core operations of elliptic curve cryptography protocols is the scalar mu...
Retailer's pricing and ordering strategy for Weibull distribution deterioration under trade credit in declining market
Finance Weibull deterioration trade credit
2010/9/21
In this research article, an ordering and pricing policy is formulated for a retailer when the supplier offers a delay in payments to settle the accounts against the retailer’s due. The problem is to ...
The discrete time-cost-quality trade-off problem using a novel hybrid genetic algorithm
Time cost quality trade-off Project scheduling
2010/9/26
Time, cost and quality are among the major objectives of any project .In recent years, the demands of project stakeholders regarding reductions in the total cost and time of a project along with achie...
Noncoherent Interference Alignment: Trade Signal Power for Diversity Towards Multiplexing
Noncoherent Interference Alignment Trade Signal Power Diversity Multiplexing
2010/12/13
This paper proposes the first known universal interference alignment scheme for general (1 × 1)K interference networks, either Gaussian or deterministic, with only 2 symbol extension.
Trade-off between time complexity and makespan for flexible flow-shop group scheduling problems with two machine centers
group scheduling flexible flow shop Johnson algorithm
2010/9/15
The flexible flow-shop group scheduling problem is investigated in this paper to minimize the makespan. Two algorithms have been proposed to solve the problem with two machine centers, which have the ...