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Quantum field theory. --- Mathematical physics --- Théorie quantique des champs. --- Physique mathématique. --- Mathematics
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History of physics --- Quantum mechanics. Quantumfield theory --- 530.145 --- Quantum theory --- Quantum theory. --- 530.145 Quantum theory --- Théorie quantique --- Théorie quantique
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Mathematical physics --- Calcul tensoriel --- Relativité (physique) --- Théorie quantique --- Transformations, Groupes de --- Relativité (physique) --- Théorie quantique --- Physique mathématique --- Riemann, Variétés de
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Quantum theory --- 530.1 --- 530.1 Basic principles of physics --- Basic principles of physics --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Quantum mechanics. Quantumfield theory --- Quantum theory. --- Théorie quantique
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The main theme of this classic book is the path integral technique and its applications to constructive methods of quantum physics. The central topic is probabilistic foundations of Feynman-Kac formula. Starting with main examples of Gaussian processes, the author presents four different proofs of the Feynman-Kac formula.
Mathematical physics --- Quantum mechanics. Quantumfield theory --- Integration, Functional. --- Quantum theory. --- Integration, Functional --- Quantum theory --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Functional integration --- Functional analysis --- Integrals, Generalized --- 530.1 --- 530.1 Basic principles of physics --- Basic principles of physics --- Théorie quantique --- Théorie quantique --- Mesure, Théorie de la
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The distinctive contribution of this book is that it presents a pragmatic approach for preserving biological diversity. Experts in a wide variety of fields, including philosophy, environmental policy, law, economics and biology, present different perspectives on how to prevent widespread extinction around the world. Several chapters deal with basic questions such as how we should define biodiversity and how we should determine what is most important to save. Two chapters focus on how we can place an economic value on biological diversity, a step that is often critical for gaining acceptance for conservation efforts. One of the major conclusions is that people are often willing to pay to preserve natural systems that have no immediate value in terms of generating income or commodities. Other chapters are case studies of efforts to protect particular species or ecosystems; these provide practical guidelines for how to protect biodiversity more effectively. The book is divided into three sections: we start with discussions of efforts to protect endangered species; move to approaches for protecting intact, functioning natural ecosystems; and finish with proposals to protect the global natural system (the biosphere). It becomes clear as one progresses through these sections that these three approaches do not constitute distinctly different, much less competing, strategies for protecting biological diversity. Instead they are interdependent. Efforts to protect a particular endangered species typically lead to efforts to protect its ecosystem. Similarly, efforts to protect an ecosystem lead naturally to concerns about the atmosphere, climate and water supplies. The interdependence may also work in the other direction: loss of species potentially can undermine the stability and resilience of ecosystems, which can have a large negative impact on the biosphere. The main conclusion is that a wide range of approaches to conservation is needed to maintain diverse and ecologically functioning natural systems.
Biodiversity. --- Environmental economics. --- Nature conservation. --- Conservation of nature --- Nature --- Nature protection --- Protection of nature --- Conservation of natural resources --- Applied ecology --- Conservation biology --- Endangered ecosystems --- Natural areas --- Economics --- Environmental quality --- Biological diversification --- Biological diversity --- Biotic diversity --- Diversification, Biological --- Diversity, Biological --- Biology --- Biocomplexity --- Ecological heterogeneity --- Numbers of species --- Conservation --- Environmental aspects --- Economic aspects --- Nature Conservation. --- Environmental law. --- Environmental Economics. --- Environmental Law/Policy/Ecojustice. --- Environment law --- Environmental control --- Environmental protection --- Environmental policy --- Law --- Sustainable development --- Law and legislation --- Environmental policy. --- Environment and state --- Environmental management --- State and environment --- Environmental auditing --- Government policy --- Dynamics. --- Mechanics. --- Quantum theory. --- Dynamique --- Théorie quantique --- Quantum mechanics. Quantumfield theory --- Classical mechanics. Field theory --- Dynamics --- Mechanics --- Quantum theory --- 530.145 --- 531.3 --- 531 --- 531 General mechanics. Mechanics of solid and rigid bodies --- General mechanics. Mechanics of solid and rigid bodies --- 531.3 Dynamics. Kinetics --- Dynamics. Kinetics --- 530.145 Quantum theory --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Thermodynamics --- Classical mechanics --- Newtonian mechanics --- Dynamical systems --- Kinetics --- Mathematics --- Mechanics, Analytic --- Force and energy --- Statics
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