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This textbook is an introduction to the subject of inverse problems with an emphasis on practical solution methods and applications from geophysics. The treatment is mathematically rigorous, relying on calculus and linear algebra only; familiarity with more advanced mathematical theories like functional analysis is not required. Containing up-to-date methods, this book will provide readers with the tools necessary to compute regularized solutions of inverse problems. A variety of practical examples from geophysics are used to motivate the presentation of abstract mathematical ideas, thus assuring an accessible approach. Beginning with four examples of inverse problems, the opening chapter establishes core concepts, such as formalizing these problems as equations in vector spaces and addressing the key issue of ill-posedness. Chapter Two then moves on to the discretization of inverse problems, which is a prerequisite for solving them on computers. Readers will be well-prepared for the final chapters that present regularized solutions of inverse problems in finite-dimensional spaces, with Chapter Three covering linear problems and Chapter Four studying nonlinear problems. Model problems reflecting scenarios of practical interest in the geosciences, such as inverse gravimetry and full waveform inversion, are fully worked out throughout the book. They are used as test cases to illustrate all single steps of solving inverse problems, up to numerical computations. Five appendices include the mathematical foundations needed to fully understand the material. This second edition expands upon the first, particularly regarding its up-to-date treatment of nonlinear problems. Following the author’s approach, readers will understand the relevant theory and methodology needed to pursue more complex applications. Inverse Problems is ideal for graduate students and researchers interested in geophysics and geosciences.
Numerical analysis. --- Physics. --- Mathematical models. --- Earth sciences. --- Numerical Analysis. --- Mathematical Methods in Physics. --- Mathematical Modeling and Industrial Mathematics. --- Earth Sciences, general. --- Geosciences --- Environmental sciences --- Physical sciences --- Models, Mathematical --- Simulation methods --- Natural philosophy --- Philosophy, Natural --- Dynamics --- Mathematical analysis --- Inverse problems (Differential equations) --- Geophysics --- Mathematics. --- Differential equations
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"The First World War led to a radical reshaping of Europe's political borders like hardly any previous event. Nowhere was this transformation more profound than in East Central Europe, where the collapse of imperial rule led to the emergence of a series of new states. New borders intersected centuries-old networks of commercial, cultural, and social exchange. The new states had to face the challenges posed by territorial fragmentation and at the same time establish durable state structures within an international order that viewed them at best as weak and at worst as provisional entities that would sooner or later be reintegrated into their larger neighbours' territory. An International History of Fragmentation challenges the traditional view that the emergence of these states was the product of a radical rupture that naturally led from defunct empires to nation states. Using the example of Poland and the Baltic States, it retraces the roots of the interwar states of East Central Europe, of their policies, economic developments, and of their conflicts back to deep in the First World War. At the same time, it shows that these states learned to harness the dynamics caused by territorial fragmentation, thus forever changing our understanding of what modern states can do"--
Poland --- Europe, Central --- Europe, Eastern --- Baltic States --- Politics and government --- Baltic Republics --- Baltics (States)
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Der Band liefert aktuelle Studienbeiträge zu Forschungsthemen der Dysphagie bei Erwachsenen und Kindern. Aktuelle Verfahren der Diagnostik von Schluckstörungen werden diskutiert. Therapeutische Ansätze und das Management bei Aspirationsrisiko und Ernährungsproblemen in verschiedenen klinischen Kontexten stehen im Fokus.
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Der Band liefert aktuelle Studienbeiträge zu Forschungsthemen der Dysphagie bei Erwachsenen und Kindern. Aktuelle Verfahren der Diagnostik von Schluckstörungen werden diskutiert. Therapeutische Ansätze und das Management bei Aspirationsrisiko und Ernährungsproblemen in verschiedenen klinischen Kontexten stehen im Fokus.
Phonetics, phonology --- Psycholinguistics --- Diseases & disorders --- Gastroenterology --- Otorhinolaryngology (ENT) --- Aktuelle --- Aspekte --- Aspirationsprädiktoren --- Behandlung --- Beratung --- Diagnostik --- Dysphagiediagnostik --- Erwachsenen --- Fastabend --- Forschungsbeiträge --- Hielscher --- Kindern --- Nahrungsaufnahme --- Neurogene Dysphagie --- Pädiatrische Dysphagie --- Schluckens --- Störungen --- Therapiemanagement --- Deglutition disorders. --- Psycholinguistics.
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Der Band liefert aktuelle Studienbeiträge zu Forschungsthemen der Dysphagie bei Erwachsenen und Kindern. Aktuelle Verfahren der Diagnostik von Schluckstörungen werden diskutiert. Therapeutische Ansätze und das Management bei Aspirationsrisiko und Ernährungsproblemen in verschiedenen klinischen Kontexten stehen im Fokus.
Aktuelle --- Aspekte --- Aspirationsprädiktoren --- Behandlung --- Beratung --- Diagnostik --- Dysphagiediagnostik --- Erwachsenen --- Fastabend --- Forschungsbeiträge --- Hielscher --- Kindern --- Nahrungsaufnahme --- Neurogene Dysphagie --- Pädiatrische Dysphagie --- Schluckens --- Störungen --- Therapiemanagement --- Deglutition disorders. --- Psycholinguistics.
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WWI led to a radical reshaping of Europe's political borders and the emergence of a series of smaller states from the ruins of larger empires. This study examines how four East Central European states - Poland, Lithuania, Latvia, and Estonia - dealt with the breakdown of commerce and mobility, caused by new borders, high tariffs, and trade wars.
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