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Liu Zheng. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 69-72). / Abstracts in English and Chinese. / Abstract --- p.i / Acknowledgement --- p.iii / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Contributions --- p.2 / Chapter 1.2 --- Dissertation Organization --- p.3 / Chapter 2 --- Problem Statement and Background Study --- p.4 / Chapter 2.1 --- Problem Statement --- p.4 / Chapter 2.2 --- Background Study --- p.6 / Chapter 2.2.1 --- Overview of Pattern Discovery Methods --- p.7 / Chapter 2.2.2 --- Applications --- p.9 / Chapter 3 --- Ball Discovery Algorithms --- p.13 / Chapter 3.1 --- Brute-force Method for Ball Discovery --- p.13 / Chapter 3.2 --- Ball Discovery with Small Point Sets --- p.15 / Chapter 3.2.1 --- Pruning the Search Space Using RP-tree --- p.15 / Chapter 3.2.2 --- CB-tree - Collection of Balls in a Compact and Complete Form --- p.22 / Chapter 3.2.3 --- Algorithm of Finding Balls Using RP-tree and CB-tree --- p.31 / Chapter 3.3 --- Ball Discovery in Large Point Sets --- p.31 / Chapter 3.3.1 --- Candidate Sets of Balls --- p.31 / Chapter 3.3.2 --- A Divide-and-Conquer Algorithm --- p.35 / Chapter 3.4 --- Heuristic Greedy Algorithms for Ball Discovery --- p.37 / Chapter 3.4.1 --- A Heuristic Greedy Algorithm --- p.37 / Chapter 3.4.2 --- Another Heuristic Greedy Algorithm --- p.38 / Chapter 4 --- Evaluations --- p.40 / Chapter 5 --- Discussion --- p.59 / Chapter 5.1 --- Order and Index the Points --- p.59 / Chapter 5.2 --- Incremental Points Update --- p.59 / Chapter 5.3 --- Smallest Enclosed Ball Algorithm --- p.60 / Chapter 6 --- Conclusion and Future Research --- p.61 / Chapter A --- Appendix --- p.63 / Chapter A.1 --- Fundamental Algorithms --- p.63 / Chapter A.1.1 --- Computing Smallest Enclosed Ball of a Point Set in Euclidean Space --- p.63 / Chapter A.1.2 --- Finding All Cliques of an Undirected Graph --- p.65 / Chapter A.2 --- An Example of a Small Data Set --- p.66 / Bibliography --- p.69

Chan Ying Leung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaves 85-89). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Importance of Reverse Auctions --- p.1 / Chapter 1.2 --- A Research Gap in Existing Literatures --- p.3 / Chapter 1.3 --- Research Focus --- p.4 / Chapter 1.4 --- Contributions of This Thesis --- p.5 / Chapter 1.5 --- Organization of This Thesis --- p.5 / Chapter 2 --- Background and Literature Review --- p.6 / Chapter 2.1 --- Review of Reverse Auctions --- p.6 / Chapter 2.1.1 --- Benefits of Reverse Auctions to Buyers --- p.9 / Chapter 2.1.2 --- Types of Reverse Auctions --- p.11 / Chapter 2.1.3 --- Implementation of the Entry-fee Reverse Auction --- p.13 / Chapter 2.2 --- Linkage between the Entry-fee Reverse Auction and the Multi- period Inventory Replenishment Model --- p.16 / Chapter 2.3 --- The Multi-period Inventory Replenishment Model with TOQC --- p.17 / Chapter 3 --- The Basic Models --- p.18 / Chapter 3.1 --- Strategic Sourcing Methodology - The Entry-fee Reverse Auc- tion --- p.18 / Chapter 3.1.1 --- Numerical Example --- p.26 / Chapter 3.2 --- Operational Procurement Methodology ´ؤ The Multi-period Inventory Replenishment Model with TOQC --- p.29 / Chapter 3.2.1 --- Numerical Example --- p.33 / Chapter 3.3 --- Chapter Summary --- p.34 / Chapter 4 --- Modifications Required for Integrating the Entry-fee Reverse Auction and the Multi-period Replenishment Model with TOQC --- p.36 / Chapter 4.1 --- Formulation of the Buyer's Expected Profit Function in the Multi-period Setting --- p.37 / Chapter 4.2 --- The Existence of Optimal TOQC --- p.38 / Chapter 4.2.1 --- Convexity of the Last-period Optimality Equation --- p.39 / Chapter 4.2.2 --- Convexity of the Two-period Problem --- p.41 / Chapter 4.2.3 --- Convexity of the N-period Problem --- p.44 / Chapter 4.3 --- The Computability of the Optimal TOQC --- p.47 / Chapter 4.4 --- Chapter Summary --- p.47 / Chapter 5 --- The Revised Model --- p.48 / Chapter 5.1 --- The Entry-fee Reverse Auction in the Multi-period Setting with TOQC --- p.48 / Chapter 5.1.1 --- Numerical Example --- p.55 / Chapter 5.2 --- Chapter Summary --- p.59 / Chapter 6 --- Numerical Analysis --- p.60 / Chapter 6.1 --- Comparison between the Fixed-quantity Reverse Auction and the Entry-fee Reverse Auction --- p.60 / Chapter 6.1.1 --- Number of Supplier --- p.63 / Chapter 6.1.2 --- Retail Price --- p.65 / Chapter 6.1.3 --- Coefficient of Variation for Demand Distribution . --- p.66 / Chapter 6.1.4 --- Average Improvement --- p.67 / Chapter 6.2 --- Duration of the Entry-fee Reverse Auction Cycle --- p.68 / Chapter 6.3 --- Chapter Summary --- p.76 / Chapter 7 --- Factors of Success for Holding the Entry-fee Reverse Auction --- p.77 / Chapter 7.1 --- Internal Organizational Infrastructure of the Buyer --- p.77 / Chapter 7.2 --- Supplier's Qualifications and Control --- p.78 / Chapter 7.3 --- Attractions of the Entry-fee Reverse Auction for Suppliers . . --- p.78 / Chapter 7.4 --- Procedural Fairness --- p.81 / Chapter 7.5 --- Total Cost Analysis --- p.81 / Chapter 7.6 --- Chapter Summary --- p.82 / Chapter 8 --- Concluding Remarks --- p.83 / Bibliography --- p.85 / Chapter A --- Order Statistics --- p.90 / Chapter B --- Conditional Order Statistics --- p.92 / Chapter C --- Virtual Marginal Cost of Procurement --- p.93

Xie Lei. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaves 50-53). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Related Literature --- p.2 / Chapter 2 --- Notations and Model Formulation --- p.8 / Chapter 3 --- The Optimal Replenishment Policy --- p.15 / Chapter 3.1 --- Preliminaries --- p.15 / Chapter 3.2 --- The optimal replenishment policy at the second decision point --- p.17 / Chapter 3.3 --- The optimal replenishment policy at the first decision point --- p.19 / Chapter 4 --- Specialized Case: No Delivery Information Delay Model --- p.21 / Chapter 4.1 --- Special Case 1: The Realized Proportional Factor rt = 0 --- p.23 / Chapter 4.2 --- Special Case 2: The Realized Proportional Factor rt = 1 --- p.23 / Chapter 4.3 --- Comparison of the Two Special Cases --- p.24 / Chapter 4.4 --- "The Case with Partial Delivery (rt e (0,1))" --- p.26 / Chapter 4.5 --- Comparison of the Delivery Information Delay Model and the No Delivery Information Delay Model --- p.33 / Chapter 5 --- Nonoptimality of a Base-Stock Policy in Numerical Examples --- p.36 / Chapter 6 --- Conclusion and Future Work --- p.39 / Chapter 6.1 --- Conclusion --- p.39 / Chapter 6.2 --- Future Work --- p.40 / Chapter 7 --- Appendix --- p.42

Moy Hon-man. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaf 62). / Abstracts in English and Chinese. / Chapter 1 --- Introduction and Literature Review --- p.1 / Chapter 1.1 --- Introduction --- p.1 / Chapter 1.2 --- Literature Review --- p.4 / Chapter 2 --- Non-optimizing Model with Illegal Migrants --- p.9 / Chapter 2.1 --- One-sector Non-optimizing Model --- p.9 / Chapter 2.1.1 --- Illegal Migrants --- p.9 / Chapter 2.1.2 --- Production --- p.10 / Chapter 2.1.3 --- Equilibrium Analysis --- p.11 / Chapter 2.2 --- Two-sector Non-optimizing Model: Illegal Migrants in Consump- tion Sector --- p.12 / Chapter 2.2.1 --- Production --- p.13 / Chapter 2.2.2 --- Total Output and Law of Motion for Capital --- p.14 / Chapter 2.2.3 --- Equilibrium Analysis --- p.15 / Chapter 2.3 --- Two-sector Non-optimizing Model: Illegal Migrants in Invest- ment Sector --- p.17 / Chapter 2.3.1 --- Production --- p.17 / Chapter 2.3.2 --- Total Output and Law of Motion for Capital --- p.18 / Chapter 2.3.3 --- Equilibrium Analysis --- p.18 / Chapter 2.4 --- Two-sector Non-optimizing Model: Illegal Migrants in both Sectors --- p.20 / Chapter 2.4.1 --- Production --- p.20 / Chapter 2.4.2 --- Total Output and Law of Motion for Capital --- p.21 / Chapter 2.4.3 --- Equilibrium Analysis --- p.22 / Chapter 2.5 --- Parameterizing the Two-sector Non-optimizing Models --- p.24 / Chapter 2.6 --- Simulation Results: Two-sector Non-optimizing Models --- p.25 / Chapter 3 --- One-sector Optimizing Model with Illegal Migrants --- p.28 / Chapter 3.1 --- One-sector Optimizing Model with Exogenous Wage --- p.28 / Chapter 3.1.1 --- Production --- p.28 / Chapter 3.1.2 --- The Maximization Problem --- p.29 / Chapter 3.2 --- One-sector Optimizing Model with Endogenous Wage: The Hazari Sgro Model with Illegal Migrants --- p.32 / Chapter 3.2.1 --- The Basic Structure --- p.32 / Chapter 3.2.2 --- Equilibrium Analysis --- p.34 / Chapter 3.2.3 --- Parameterizing the Model --- p.36 / Chapter 4 --- Two-sector Optimizing Model with Illegal Migrants --- p.38 / Chapter 4.1 --- Two-sector Optimizing Model with Exogenous Wage: Illegal Migrants in Consumption Sector --- p.38 / Chapter 4.1.1 --- Production --- p.38 / Chapter 4.1.2 --- The Maximization Problem --- p.39 / Chapter 4.2 --- Two-sector Optimizing Model with Exogenous Wage: Illegal Mi- grants in Investment Sector --- p.42 / Chapter 4.2.1 --- Production --- p.42 / Chapter 4.2.2 --- The Maximization Problem --- p.43 / Chapter 4.3 --- Two-sector Optimizing Model with Exogenous Wage: Illegal Mi- grants in both Sectors --- p.45 / Chapter 4.3.1 --- Production --- p.46 / Chapter 4.3.2 --- The Maximization Problem --- p.46 / Chapter 4.4 --- Analytical Insights --- p.49 / Chapter 4.5 --- Two-sector Optimizing Model with Endogenous Wage: Illegal Migrants in Consumption Sector --- p.50 / Chapter 4.6 --- Two-sector Optimizing Model with Endogenous Wage: Illegal Migrants in Investment Sector --- p.52 / Chapter 4.7 --- Two-sector Optimizing Model with Endogenous Wage: Illegal Migrants in both Sectors --- p.53 / Chapter 4.8 --- Parameterizing the Models --- p.55 / Chapter 4.9 --- Simulation Results --- p.55 / Chapter 4.9.1 --- Simulation Results: Two-sector Optimizing Model with Exogenous Wage --- p.55 / Chapter 4.9.2 --- Simulation Results: Two-sector Optimizing Model with Endogenous Wage --- p.57 / Chapter 5 --- Concluding Remarks --- p.60 / Figures and Tables --- p.64

Leong U Man. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 32-34). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 2 --- Structural Bond Pricing Models --- p.5 / Chapter 2.1 --- The Merton Model --- p.5 / Chapter 2.2 --- Extended Merton Model --- p.6 / Chapter 2.3 --- Longstaff and Schwartz Model --- p.8 / Chapter 3 --- Methodology --- p.11 / Chapter 3.1 --- Maximum Likelihood Estimation --- p.13 / Chapter 3.2 --- Non-linear Filtering Process --- p.13 / Chapter 3.3 --- Modification for LS Model --- p.15 / Chapter 4 --- Simulation and Empirical Analysis --- p.16 / Chapter 4.1 --- Simulation Study --- p.16 / Chapter 4.2 --- Empirical Analysis --- p.19 / Chapter 4.2.1 --- Bond Selection --- p.19 / Chapter 4.2.2 --- Result for EM Model --- p.21 / Chapter 4.2.3 --- Result for LS Model --- p.24 / Chapter 4.3 --- Implications from Empirical Analysis --- p.28 / Chapter 5 --- Conclusion --- p.30 / Bibliography --- p.32

The efficiency of revenue management relies on the effectiveness of the strategies it employs. In the competing market nowadays, time has become an important concern at both demand and supply sides. With time-sensitive customers and additional benefits from intertemporal demand shift, we find that the sellers could turn to a time-differentiation based strategy as an effective revenue management tool. Motivated by real-life business issues of Toyota China dealerships, in this thesis, we consider stylized inventory-control models with delivery upgrades, in which the seller allocates its on-hand inventory to price and delivery-time sensitive customers. The seller provides two delivery-time options with different prices. Customers choose the proper purchasing option according to their heterogeneous preferences. The seller has two decisions: inventory commitment and inventory replenishment. The former addresses, within an inventory cycle, how on-hand inventories are allocated between the two classes of customers. The latter addresses, between inventory cycles, how the inventory is replenished. Furthermore, the seller may employ early delivery, namely upgrade, to achieve a higher inventory flexibility. We develop the optimal inventory allocation and upgrade, and inventory replenishment policies, and demonstrate that the optimal control can be characterized by a switching curve. Based on the basic model setting, we extend our analysis to include cases of upgrade cost, stock-out substitution, and capacity constraint. We further discuss the joint pricing and inventory decision. We obtain the form of the optimal joint policy, and show that the two strategies may well complement each other in our setting. When each is applied separately, their performances are also compared. To shed more light on the practical side, finally, we use the Toyota dealership data to calibrate the required parameters, and demonstrate the potential of the optimal inventory allocation and upgrade control. / Liang, Xiaoying. / Advisers: Houmin Yan; Youhua Chen. / Source: Dissertation Abstracts International, Volume: 72-04, Section: B, page: . / Thesis (Ph.D.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (leaves 118-124). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. Ann Arbor, MI : ProQuest Information and Learning Company, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. Ann Arbor, MI : ProQuest Information and Learning Company, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstract also in Chinese.

In this thesis, we focus on the problem of interactions between solids and fluids. / The main part is the study of the motion of a rigid body immersed in an incompressible fluid. First, for the case of 2D ideal flow, a global weak solution is derived. Second, for the case of viscous flow in 3D, the problem is investigated in the Lp--framework. We get a decomposition of Lp-space associated with the problem. Then We prove that the corresponding semigroup is analytic in L65 R3∩L pR3 (p ≥ 2). Our result yields a local in time existence and uniqueness of strong solutions taking initial data in L65 R3∩L pR3 (p ≥ 3). / The other part is some research about micro-macro models of polymeric fluids. We provide a new proof for the global well-posedness of the coupling systems in 2D. / Wang, Yun. / Adviser: Zhouping Xin. / Source: Dissertation Abstracts International, Volume: 72-04, Section: B, page: . / Thesis (Ph.D.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (leaves 112-119). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. Ann Arbor, MI : ProQuest Information and Learning Company, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstract also in Chinese.