This volume contains the proceedings of the NSF-CBMS Regional Conference on Topological and Geometric Methods in QFT, held from July 31–August 4, 2017, at Montana State University in Bozeman, Montana. In recent decades, there has been a movement to axiomatize quantum field theory into a mathematical structure. In a different direction, one can ask to test these axiom systems against physics. Can they be used to rederive known facts about quantum theories or, better yet, be the framework in which to solve open problems? Recently, Freed and Hopkins have provided a solution to a classification problem in condensed matter theory, which is ultimately based on the field theory axioms of Graeme Segal. Papers contained in this volume amplify various aspects of the Freed–Hopkins program, develop some category theory, which lies behind the cobordism hypothesis, the major structure theorem for topological field theories, and relate to Costello's approach to perturbative quantum field theory. Two papers on the latter use this framework to recover fundamental results about some physical theories: two-dimensional sigma-models and the bosonic string. Perhaps it is surprising that such sparse axiom systems encode enough structure to prove important results in physics. These successes can be taken as encouragement that the axiom systems are at least on the right track toward articulating what a quantum field theory is.
Covering all four critical care board exams (anesthesiology, surgery, internal medicine, and neurology), Critical Care Medicine Review: 1000 Questions and Answers prepares you for exam success as well as clinical practice in today’s ICU. This full-color, easy-to-use review tool provides challenging case studies, relevant images, multiple-choice board-style questions, rationales for correct and incorrect answers, and references for every question. Edited by instructors of anesthesia and critical care from Harvard Medical School and Massachusetts General Hospital, this comprehensive resource is an ideal study guide for critical care fellows, recertifying practitioners, and CCRNs.
This volume incorporates Sally E. Ryan's second edition of The Certified Occupational Therapy Assistant printed first, followed by the popular Practice Issues in Occupational Therapy, all in one book. Both books are printed verbatim in this combined edition.
Encephalitis means "inflammation of the brain," but it usually refers to brain inflammation caused by a virus. This severe and potentially life-threatening disease is rare. Encephalitis takes two forms, categorised by the two ways that viruses can infect the brain: Primary encephalitis. This occurs when a virus directly invades the brain and spinal cord. It can happen to people at any time of the year (sporadic encephalitis), or it can be part of an outbreak (epidemic encephalitis).* Secondary (post-infectious) encephalitis. This form occurs when a virus first infects another part of the body and secondarily enters the brain. The primary form of the disease is more serious, while the secondary form is more common. This new volume presents important research from around the globe.
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