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Ischemia and Loss of Vascular Autoregulation in Ocular and Cerebral Diseases: A New Perspective presents evidence that ischemia and loss of autoregulation of blood flow are associated with the onset of the major ocular and cerebral diseases including macular degeneration, diabetic retinopathy, low and normal tension open angle glaucoma, stroke and Alzheimer's disease. Recognition of these vascular changes underline the critical need for clinicians to monitor blood flow and autoregulation to improve early diagnosis and to optimize therapies of ocular and cerebral vascular diseases. The text brings to clinicians in Ophthalmology, Neurology, Medicine, Optometry and Geriatrics decisive guidance on the practical aspects for early diagnosis and treatment of ocular and cerebral diseases. The author brings together in a concise form the progress made over the span of his career and provides new perspectives and understanding of the fluid circulations of the eye and the brain. In addition, he explains the new analytical technologies that made the new concepts possible. The physiological and functional importance of blood flow autoregulation in the eye and in the brain in minimizing the progression of pathology, including the ischemia resulting from stenosis of the internal carotid artery and stroke, are also presented . ABOUT THE AUTHOR: Dr. Langham was born in London, England. In 1947, he joined the Ophthalmological Research Unit, newly formed by the Medical Research Council of the United Kingdom under the direction of Sir Stewart Duke-Elder. In 1956, the author enjoyed a research fellowship at Harvard University. After returning to England for a time, he accepted a position of Associate Professor of Ophthalmology and Director of Research at the Wilmer Ophthalmological Institute of the Johns Hopkins Hospital and Medical school in 1959. There he initiated a program in which all residents spent time engaged in research. This productive interaction between the disciplines led to many important clinical diagnostic and therapeutic advances.
Medicine & Public Health. --- Ophthalmology. --- Neurology. --- Biomedicine general. --- Angiology. --- Medicine. --- Angiography. --- Médecine --- Angiographie --- Neurologie --- Ophtalmologie --- Bifurcation theory. --- Differential equations, Partial --- Representations of groups. --- Numerical solutions.
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Group theory --- Symmetry groups --- Groupes, Théorie des --- Groupes symétriques --- Differential equations --- Evolution equations --- Stability. --- Bifurcation theory. --- Numerical solutions. --- Groepen (wiskunde) --- 512.54 --- Groups. Group theory --- 512.54 Groups. Group theory --- Théorie des groupes --- Théorie des groupes --- Groupes symétriques --- Bifurcation theory --- Stability --- Dynamics --- Mechanics --- Motion --- Vibration --- Benjamin-Feir instability --- Equilibrium --- Numerical analysis --- 517.91 Differential equations --- Differential equations, Nonlinear --- Numerical solutions --- 517.91 --- Numerical solutions&delete& --- Groupes, Théorie des --- Groupes de symétrie --- Geometrie classique --- Groupes (algebre) --- Groupes de permutations
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This book covers the central role that bifurcations play in nonlinear phenomena, explaining mechanisms of how stability is gained or lost. It emphasizes practical and computational methods for analyzing dynamical systems. A wide range of phenomena between equilibrium and chaos is explained and illustrated by examples from science and engineering. The book is a practical guide for performing parameter studies and includes exercises. Combining an introduction on the textbook level with an exposition of computational methods, this book addresses the mathematical needs of scientists and engineers. It should be of interest to those in a wide variety of disciplines, including physics, mechanical engineering, electrical engineering, chemistry and chemical engineering, biology, and medicine. Both graduate students (in courses on dynamical systems, stability analysis, differential equations, and chaos) and professionals will be able to use the book equally well. The introduction avoids mathematical formalism, and the only required background is calculus. In the third edition there is a chapter on applications and extensions of standard ODE approaches, for example, to delay equations, to differential-algebraic equations, and to reaction-diffusion problems. Additional material is inserted, including the topics deterministic risk, pattern formation, and control of chaos, and many further references. Review of Earlier Edition: "The outcome is impressive. The book is beautifully written in a style that seeks not only to develop the subject matter but also to expose the thought processes behind the mathematics." Proceedings of the Edinburgh Mathematical Society
Ergodic theory. Information theory --- Numerical analysis --- Mathematics --- Mathematical physics --- Classical mechanics. Field theory --- Physics --- Applied physical engineering --- Engineering sciences. Technology --- Computer. Automation --- ICT (informatie- en communicatietechnieken) --- toegepaste wiskunde --- economie --- wiskunde --- ingenieurswetenschappen --- fysica --- numerieke analyse --- dynamica --- informatietheorie --- Bifurcation theory. --- Stability. --- Bifurkation --- Stabilität --- (Math.) --- EQUATIONS DIFFERENTIELLES ORDINAIRES --- SYSTEMES DIFFERENTIELS DYNAMIQUES --- BIFURCATIONS --- THEORIE QUALITATIVE --- STABILITE
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Topological bifurcation theory is one of the most essential topics in mathematics. This book contains original bifurcation results for the existence of oscillations and chaotic behaviour of differential equations and discrete dynamical systems under variation of involved parameters. Using topological degree theory and a perturbation approach in dynamical systems, a broad variety of nonlinear problems are studied, including: non-smooth mechanical systems with dry frictions; weakly coupled oscillators; systems with relay hysteresis; differential equations on infinite lattices of Frenkel-Kontorova and discretized Klein-Gordon types; blue sky catastrophes for reversible dynamical systems; buckling of beams; and discontinuous wave equations. Precise and complete proofs, together with concrete applications with many stimulating and illustrating examples, make this book valuable to both the applied sciences and mathematical fields, ensuring the book should not only be of interest to mathematicians but to physicists and theoretically inclined engineers interested in bifurcation theory and its applications to dynamical systems and nonlinear analysis.
Mathematics. --- Analysis. --- Topology. --- Dynamical Systems and Ergodic Theory. --- Mechanics. --- Vibration, Dynamical Systems, Control. --- Global analysis (Mathematics). --- Differentiable dynamical systems. --- Vibration. --- Mathématiques --- Analyse globale (Mathématiques) --- Dynamique différentiable --- Topologie --- Mécanique --- Vibration --- Bifurcation theory. --- Bifurcation theory --- Topology --- Mathematics --- Engineering & Applied Sciences --- Physical Sciences & Mathematics --- Applied Mathematics --- Calculus --- Analysis situs --- Position analysis --- Rubber-sheet geometry --- Mathematical analysis. --- Analysis (Mathematics). --- Dynamics. --- Ergodic theory. --- Dynamical systems. --- Geometry --- Polyhedra --- Set theory --- Algebras, Linear --- Differential equations, Nonlinear --- Stability --- Numerical solutions --- Classical Mechanics. --- Cycles --- Mechanics --- Sound --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Differential dynamical systems --- Dynamical systems, Differentiable --- Dynamics, Differentiable --- Differential equations --- Global analysis (Mathematics) --- Topological dynamics --- Analysis, Global (Mathematics) --- Differential topology --- Functions of complex variables --- Geometry, Algebraic --- Dynamical systems --- Kinetics --- Mechanics, Analytic --- Force and energy --- Statics --- Ergodic transformations --- Continuous groups --- Mathematical physics --- Measure theory --- Transformations (Mathematics) --- 517.1 Mathematical analysis --- Mathematical analysis --- Calculus. --- Analysis (Mathematics) --- Fluxions (Mathematics) --- Infinitesimal calculus --- Limits (Mathematics) --- Functions --- Geometry, Infinitesimal
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