This study researches the historical development of the self-understanding of the Old Catholic Churches of the Union of Utrecht and the Iglesia Filipina Independiente. Throughout the 20th century, both churches have been in a developing relationship with each other, resulting in full communion in 1965. In the same time period, both churches developed an ecclesiological self-understanding in which an ecclesiology of the national church gradually gave way to an ecclesiology of the local church. By outlining this development for each of these two churches and comparing the developments, the study gives insight both into the individual development of the two churches involved and shows how these developments relate to each other. In this way, the study presents a new historical portrait of these churches and their self-understanding.
Extrinsic geometric flows are characterized by a submanifold evolving in an ambient space with velocity determined by its extrinsic curvature. The goal of this book is to give an extensive introduction to a few of the most prominent extrinsic flows, namely, the curve shortening flow, the mean curvature flow, the Gauß curvature flow, the inverse-mean curvature flow, and fully nonlinear flows of mean curvature and inverse-mean curvature type. The authors highlight techniques and behaviors that frequently arise in the study of these (and other) flows. To illustrate the broad applicability of the techniques developed, they also consider general classes of fully nonlinear curvature flows. The book is written at the level of a graduate student who has had a basic course in differential geometry and has some familiarity with partial differential equations. It is intended also to be useful as a reference for specialists. In general, the authors provide detailed proofs, although for some more specialized results they may only present the main ideas; in such cases, they provide references for complete proofs. A brief survey of additional topics, with extensive references, can be found in the notes and commentary at the end of each chapter.
Prehistoric human life is a common reference point in contemporary culture, inspiring attempts to become happier, healthier, or better people. Exploited by capitalism, overwhelmed by technology, and living in the shadow of environmental catastrophe, we call on the prehistoric to escape the present, and to model alternative ways of living our lives. In Back to the Stone Age Ben Pitcher explores how ideas about race are tightly woven into the powerful origin stories we use to explain who we are, where we came from, and what we are like. Using a broad range of examples from popular culture – from everyday practices like lighting fires and walking in the woods to engagements with genetic technologies and Neanderthal DNA, from megaliths and museum mannequins to television shows and best-selling nonfiction – Pitcher demonstrates how prehistory is alive in the twenty-first century, and argues that popular flights back in time provide revealing insights into present-day anxieties, obsessions, and concerns. Back to the Stone Age shows that the human past is not set in stone. By opening up the prehistoric to critical contestation, Pitcher places racial justice at the centre of questions about the existence and persistence of Homo sapiens in the contemporary world.
This eminently readable book focuses on the people of mathematics and draws the reader into their fascinating world. In a monumental address, given to the International Congress of Mathematicians in Paris in 1900, David Hilbert, perhaps the most respected mathematician of his time, developed a blueprint for mathematical research in the new century.
Edited by the academic who first discovered this important phenomenon, Aggregation-Induced Emission is the first book to cover the applications of Aggregation-Induced Emission. This groundbreaking text explores the high-tech applications of AIE materials in optoelectronic devices, chemical sensors, and biological probes. A valuable resource for scientists, physicists, and biological chemists, topics covered include: AIE materials for LEDs and lasers; mechanochromic AIE materials; new chemo- and biosensors based on AIE fluorophores; AIE dye-encapsulated nanoparticles for optical bioimaging; and chiral recognition and enantiomeric excess determination based on AIE.
This 5,800-page encyclopedia surveys 100 generations of great thinkers, offering more than 2,000 detailed biographies of scientists, engineers, explorers and inventors who left their mark on the history of science and technology. This six-volume masterwork also includes 380 articles summarizing the time-line of ideas in the leading fields of science, technology, mathematics and philosophy.
This unique reference focuses on methods of application, validation and testing based on real deployments of sensor networks in the clinical and home environments. Key topics include healthcare and wireless sensors, sensor network applications, designs of experiments using sensors, data collection and decision making, clinical deployment of wireless sensor networks, contextual awareness medication prompting field trials in homes, social health monitoring, and the future of wireless sensor networks in healthcare.
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