Titlebook: Symmetry Breaking in the Standard Model; A Non-Perturbative O Franco Strocchi Textbook 2019 The Editor(s) (if applicable) and The Author(s)

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Textbook 2019e standard presentations. The debated empirical meaning of global and local gauge symmetries is clarified. The absence of Goldstone bosons in the Higgs mechanism is non-perturbatively explained by the validity of Gauss laws obeyed by the currents which generate the relatedglobal gauge symmetry. The

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2239-1460 obtained without recourse to the problematic semiclassical instanton approximation, by rather exploiting the topology of the gauge group..978-88-7642-659-9978-88-7642-660-5Series ISSN 2239-1460 Series E-ISSN 2532-1668

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Franco Strocchillslope processes is important and is currently strongly influenced by human activity due to land use change and vegetation removal, and is becoming even greater due to climate change. Both the fundamentals of erosion and slope stability are discussed in this chapter with respect to processes, cause

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y until now, when the increased environmental awareness of society has resulted in them being used as key tools in landscape conservation. The need for environmentally friendly techniques to mitigate the problems generated by soil instability (mass movements, rockfall, landslides, etc.) and the inci

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self-righting. Researchers have studied this behavior to develop robots that can mimic such an animal locomotor skill. While quadruped robots have achieved impressive self-righting results, they still lack the utilization of a combination of a body, a tail, and legs as found in a sprawling posture a

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G. C. Harcourtviolent impacts such as those caused by car crashes or bullets are fortunately less common but are still well enough known to be taken for granted. Very violent impacts such as meteorites striking the earth are outside our personal experience but we are aware of them. Despite this, impacts remain my

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