This book gives an extensive survey of many important topics in the theory of Hamilton–Jacobi equations with particular emphasis on modern approaches and viewpoints. Firstly, the basic well-posedness theory of viscosity solutions for first-order Hamilton–Jacobi equations is covered. Then, the homogenization theory, a very active research topic since the late 1980s but not covered in any standard textbook, is discussed in depth. Afterwards, dynamical properties of solutions, the Aubry–Mather theory, and weak Kolmogorov–Arnold–Moser (KAM) theory are studied. Both dynamical and PDE approaches are introduced to investigate these theories. Connections between homogenization, dynamical aspects, and the optimal rate of convergence in homogenization theory are given as well. The book is self-contained and is useful for a course or for references. It can also serve as a gentle introductory reference to the homogenization theory.
Management is a major function in most of companies and a core subject in most economic and business releveant schools in the world, whereas corporate governance is on the way to become one of foundation subjects in management field in many schools in the world, as well as one of core functions at the head quarters in many public, private, non profit, global and local companies and banks. The book aims to provide top management team, board, business consultant, officer and relevant shareholders in both public and private companies, profit and non-profit firms, academic, social firms and businesses with updated knowledge of corporate governance system after financial crisis. With limited and solid contents and three (3) sessions covering some American, European, Asian and African regions, it also tries to support academic people, including but not limited to, professors and university students, esp. last year undergraduates, Master/MBA students or researchers, and administrative staff from low to upper-intermediate levels with around-the-world corporate governance systems and practical matters through cases studies and comparative analysis. Additionally, it aims to put questions on the table of international organization and people who is responsible for making policies for a sound code of corporate governance.
Fought in the skies over North Vietnam, the air war between Vietnamese People’s Air Force (VNPAF) and U.S. airpower lasted nearly eight years with hundreds of thousands of combat missions carried out and nearly four hundred dogfights. Combat in the Sky: Airpower and the Defense of North Vietnam, 1965-1973 is the English edition of the definitive North Vietnamese work on Vietnam War airpower. In this book, Đồng Sỹ Hưng depicts the relevant events in chronological order from the first air battles such as the one at Dragon’s Jaw Bridge (April 1965), to the Linebacker II Campaign—or as it was known by the North Vietnamese—the ”Điện Biên Phủ in the Air Campaign” (December 1972). Dong then writes about the signing of the Paris Peace Accords (January 1973), and the VNPAF’s attacks on Tân Sơn Nhất Airfield (April 1975). The air war in Vietnam was the first modern conflict in which the two opposing sides used jet combat aircraft equipped with air-to-air missiles. In addition to his analysis of the strategic calculations, especially by the North Vietnamese, and the operations carried out, the author also details the technical characteristics of the weaponry used, as well as the changes in tactics applied in each phase of the war. In doing so, Dong provides the most unique perspective of this aspect of the conflict available in the English language.
Consisting of two parts, the first part of this volume is an essentially self-contained exposition of the geometric aspects of local and global regularity theory for the Monge–Ampère and linearized Monge–Ampère equations. As an application, we solve the second boundary value problem of the prescribed affine mean curvature equation, which can be viewed as a coupling of the latter two equations. Of interest in its own right, the linearized Monge–Ampère equation also has deep connections and applications in analysis, fluid mechanics and geometry, including the semi-geostrophic equations in atmospheric flows, the affine maximal surface equation in affine geometry and the problem of finding Kahler metrics of constant scalar curvature in complex geometry. Among other topics, the second part provides a thorough exposition of the large time behavior and discounted approximation of Hamilton–Jacobi equations, which have received much attention in the last two decades, and a new approach to the subject, the nonlinear adjoint method, is introduced. The appendix offers a short introduction to the theory of viscosity solutions of first-order Hamilton–Jacobi equations.
This book discusses the threats and impacts of flash floods in Vietnam on environmental, human, and socio-economic resources, and covers monitoring, forecasting, warning, urgent action plans, and prevention solutions. While the work focuses on cases in Vietnam, it is applicable to many regions in the world that experience flash flooding as a common occurrence. Through data collection, field surveys, and investigational statistics from a specialized group of authors, the book provides comprehensive background knowledge on flash floods, and a flash flood hazard map using remote sensing and GIS techniques that can be used to assess the likelihood and potential impacts of flash floods before vulnerable areas and populations can be threatened. The intended audience of this manuscript is people interested in the fields of weather, environment, and natural disasters. It will serve as a reference for environmental managers, administrators of disaster planning, and extreme weather scientists.
Heartbroken after surviving from an unexpected car accident with his wife Jennies, Brian is desperate and giving up all hope to live without her. He engulfs in silence, misery and alcoholic. But when he forces himself to accept a job from his father in law, also is his boss, which is made for him to return his birth city in Viet Nam where he's going to work with his Uncle Tim whose is President of Eastern Bank to clinch an important contract has been arranged. His entire world suddenly has changed and his life turns upside down by quirk fate when he accidentally bumps into a woman outside of the airport, who resembles his dead wife, and then following her to where she works. More astonishing is she's an employee of Eastern Bank, also is his uncle's secretary. His heart turns over and quickly in love after knowing her name is Ngan. Getting closer to Ngan and trying to win her heart, Brian intrigues with his uncle to take a mailman job instead to disguise his character. And from there, they became more than just colleagues, but as so often happens in times of need friendships are forged, and after Brian is acting as an actor to pretend Ngan's beau to visit her family, and then secretly helps Ngan to rework her project. They are each surprised at the intimacy of their working and spending days and the impact their encounter brings: Warm, crying, laughing, witty, and as wise as ever. They're falling madly in love and Brian has to return to Viet Nam to get married Ngan. With a happy ending when Ngan is immigrated to America at last, Brian has a different thought about the fate that God has created. Having Ngan in his life, as if God has brought Jennies' life back on earth for reuniting with him that makes Brian doesn't believe in tears which is he has been crying for, and learning along the meaning of true love, and ultimately, what fate really is.
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