Minimum-Cost Flow Problems (Section 7.1)(最小费用流问题) A Case Study: The BMZ Maximum Flow Problem (Section 7.2)(案例研究:BMZ公 司的最大流问题) Maximum Flow Problems (Section 7.3)(最大流问题) Shortest Path Problems: Littletown Fire Department (Section 7.4)(最短路问题: 里特城的消防队问题) Shortest Path Problems: General Characteristics (Section 7.4)(最短路问题: 一般特征) Shortest Path Problems: Minimizing Sarah’s Total Cost (Section 7.4)(最短路问 题:最小化莎拉的总成本问题) Shortest Path Problems: Minimizing Quick’s Total Time (Section 7.4)(最短路 问题:最小化奎克公司总时间问题) Minimum Spanning Trees: The Modern Corp. Problem (Section 7.5)(最小支撑树 问题:摩登公司问题)
由于晶格具有周期性,一些物理量具有周期性,如势能函数: ( ) ( ) 1 1 2 2 3a3 V x V x l a l a l K K G G G = + + + —— 如图 XCH_001_024 所示,A 和 A’两点势能相同。 —— 势能函数是以 1 2 3 a , a , a G G G 为周期的三维周期函数 引入倒格子,可以将三维周期性函数展开为傅里叶级数
1 世纪议程 Agenda 21 (the international plan of action adopted by governments in 1992 in Rio de Janeiro Brazil(巴西里约), — provides the global consensus on the road map towards sustainable development) 世界环境日 World Environment Day (June
Introduction. The problems in this chapter examine some variations on the apartment market described in the text. In most of the problems we work with the true demand curve constructed from the reservation prices of the consumers rather than the “smoothed” demand curve that we used in the text