Semilinear elliptic equations are of fundamental importance for the study of geometry, physics, mechanics, engineering and life sciences. The variational approach to these equations has experienced spectacular success in recent years, reaching a high level of complexity and refinement, with a multitude of applications. Additionally, some of the simplest variational methods are evolving as classical tools in the field of nonlinear differential equations. This book is an introduction to variational methods and their applications to semilinear elliptic problems. Providing a comprehensive overview on the subject, this book will support both student and teacher engaged in a first course in nonlinear elliptic equations. The material is introduced gradually, and in some cases redundancy is added to stress the fundamental steps in theory-building. Topics include differential calculus for functionals, linear theory, and existence theorems by minimization techniques and min-max procedures. Requiring a basic knowledge of Analysis, Functional Analysis and the most common function spaces, such as Lebesgue and Sobolev spaces, this book will be of primary use to graduate students based in the field of nonlinear partial differential equations. It will also serve as valuable reading for final year undergraduates seeking to learn about basic working tools from variational methods and the management of certain types of nonlinear problems.
The book “Quantum dots: A variety of a new applications” provides some collections of practical applications of quantum dots. This book is divided into four sections. In section 1 a review of the thermo-optical characterization of CdSe/ZnS core-shell nanocrystal solutions was performed. The Thermal Lens (TL) technique was used, and the thermal self-phase Modulation (TSPM) technique was adopted as the simplest alternative method. Section 2 includes five chapters where novel optical and lasing application are discussed. In section 3 four examples of quantum dot system for different applications in electronics are given. Section 4 provides three examples of using quantum dot system for biological applications. This is a collaborative book sharing and providing fundamental research such as the one conducted in Physics, Chemistry, Biology, Material Science, Medicine with a base text that could serve as a reference in research by presenting up-to-date research work on the field of quantum dot systems.
Between 1815 and 1861, American slaveholders and southern Italian landowners presided over the economic and social life of two predominantly agricultural regions, the U.S. South and Italy's Mezzogiorno. Enrico Dal Lago ingeniously compares these agrarian elites, demonstrating how the study of each enhances our understanding of the other as well as of their shared nineteenth-century world. Agrarian Elites charts the parallel developments of plantations and latifondi in relation to changes in the world economy. At the same time, it examines the spread of "paternalistic" models of family relations and of slave and free-labor management that accompanied the rise of large groups of American slaveholders and southern Italian landed proprietors in the early-to-mid-1800s. According to Dal Lago, the most articulate and enlightened members of both elites combined the pursuit of profit with the implementation of "modern" contractual practices in dealing with their workforces. Both elites also used their economic and social power for political advantage, opposing the intervention of their national governments in local affairs. The search for ever-better protection of their respective interests in slaveholding and landed property led ultimately to their support for the creation of two nations, the Confederate States of America and the Kingdom of Italy, both in 1861.Dal Lago brings together two subjects that have generated considerable debate and research: systems of slave and nominally free labor and the elites who employed them, and nineteenth-century nationalism. With its pathbreaking approach and singular and comparative insights, Agrarian Elites will inform not only American and Italian studies but also the very practice of comparative history.
Winter is coming to an end on the Ligurian Riviera and in the hills behind the coast, Giuseppe Caponnetto is retiring from the police force. However, his friend, Commissario Bonfatti, involves him in solving a murder case. Caponnetto has his hands full with his new life - he has recently become the owner of the Osteria Il Golfo restaurant, which demands his attention, as well as Giulia, the attractive tenant and chef. But the brutal murder of an elderly man lingers in his thoughts, especially as the main suspect appears to have an airtight alibi. Between antipasti and primi piatti, Caponnetto embarks on a journey where everything he learned during his police career paves the way for new adventures in his future.
A study of modern many-particle physics, this text describes homogenous systems, such as electron gas in different dimensions, the quantum well in an intense magnetic field, liquid helium and nuclear matter, and addresses finite systems, such as metallic clusters, quantum dots, helium drops and nuclei.
The young Bruno Mulas is found dead in the street, a few meters from the apartment he shared with his friend Gavino. Several posts on Facebook seem to point to a suicide, but Gavino does not think so. Bruno's parents are bewildered, his friends seem to be entrenched in silence. The case becomes an obsession for the protagonist, the crime journalist Nereo Carta, who remains entangled in a network of relationships in which no one is what they seem. The story, structured as a mystery-noir, deals with themes and topics related to the cosmos of young people. Suicide, for example, to which the protagonist dedicates extensive reflections, as well as mental illness and existential distress because of the inability to find a position and meaning in one's life. Translator: Barbara Maher PUBLISHER: TEKTIME
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