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1
Lam, Alex W. Wavelet time-frequency analysis of phase-shift-key modulated signals. Monterey, Calif : Naval Postgraduate School, 1994.
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United States. National Aeronautics and Space Administration., dir. Doppler indices of gas phase formation in hypobaric environments : Time-intensity analysis. Houston, Tex : National Aeronautics and Space Administration, Lyndon B. Johnson Space Center, 1991.
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Wang, Risheng. A phase-space approach to atmospheric dynamics based on observational data : Theory and applications. Berlin : D. Reimer, 1994.
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Time-frequency analysis and synthesis of linear signal spaces : Time-frequency filters, signal detection and estimation, and range-Doppler estimation. Boston : Kluwer Academic Publishers, 1998.
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Paulo, Ribeiro, dir. Time-varying waveform distortions in power systems. Chichester, West Sussex, U.K : Wiley, 2009.
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National Aeronautics and Space Administration (NASA) Staff. Phase Time and Envelope Time in Time-Distance Analysis and Acoustic Imaging. Independently Published, 2018.
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Liu, Mingyan, et Zongding Hu. Nonlinear Analysis and Prediction of Time Series in Multi-Phase Reactors. Springer, 2014.
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Ribeiro, Paulo F. Time-Varying Waveform Distortions in Power Systems. Wiley & Sons, Incorporated, John, 2009.
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9
Wendling, Fabrice, Marco Congendo et Fernando H. Lopes da Silva. EEG Analysis. Sous la direction de Donald L. Schomer et Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0044.
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This chapter addresses the analysis and quantification of electroencephalographic (EEG) and magnetoencephalographic (MEG) signals. Topics include characteristics of these signals and practical issues such as sampling, filtering, and artifact rejection. Basic concepts of analysis in time and frequency domains are presented, with attention to non-stationary signals focusing on time-frequency signal decomposition, analytic signal and Hilbert transform, wavelet transform, matching pursuit, blind source separation and independent component analysis, canonical correlation analysis, and empirical model decomposition. The behavior of these methods in denoising EEG signals is illustrated. Concepts of functional and effective connectivity are developed with emphasis on methods to estimate causality and phase and time delays using linear and nonlinear methods. Attention is given to Granger causality and methods inspired by this concept. A concrete example is provided to show how information processing methods can be combined in the detection and classification of transient events in EEG/MEG signals.
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Dawid, Herbert, Simon Gemkow, Philipp Harting, Sander van der Hoog et Michael Neugart. Agent-Based Macroeconomic Modeling and Policy Analysis. Sous la direction de Shu-Heng Chen, Mak Kaboudan et Ye-Rong Du. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780199844371.013.19.
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This chapter introduces the Eurace@Unibi model, one of the agent-based simulation models that are relatively new additions to the toolbox of macroeconomists, and the research that has been done within this framework. It shows how an agent-based model can be used to identify economic mechanisms and how it can be applied to spatial policy analysis. The assessment is that agent-based models in economics have passed the proof-of-concept phase and it is now time to move beyond that stage. It has been shown that new kinds of insights can be obtained that complement established modeling approaches. The chapter concludes by pointing toward some potentially fruitful areas of agent-based macroeconomic research.
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Werner, Douglas H., Sawyer D. Campbell et Lei Kang. Nanoantennas and Plasmonics : Modelling, Design and Fabrication. Institution of Engineering & Technology, 2020.
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Isett, Philip. Transport Estimates. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691174822.003.0017.
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This chapter derives estimates for quantities which are transported by the coarse scale flow and for their derivatives. It first considers the phase functions which satisfy the Transport equation, with the goal of choosing the lifespan parameter τ sufficiently small so that all the phase functions which appear in the analysis can be guaranteed to remain nonstationary in the time interval, and so that the Stress equation can be solved. In order for these requirements to be met, τ small enough is chosen so that the gradients of the phase functions do not depart significantly from their initial configurations. The chapter presents a proposition that bounds the separation of the phase gradients from their initial values in terms of b (b is less than or equal to 1, a form related to τ). Finally, it gathers estimates for relative velocity and relative acceleration.
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Congendo, Marco, et Fernando H. Lopes da Silva. Event-Related Potentials. Sous la direction de Donald L. Schomer et Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0039.
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Event-related potentials (ERPs) can be elicited by a variety of stimuli and events in diverse conditions. This chapter covers the methodology of analyzing and quantifying ERPs in general. Basic models (additive, phase modulation and resetting, potential asymmetry) that account for the generation of ERPs are discussed. The principles and requirements of ensemble time averaging are presented, along with several univariate and multivariate methods that have been proposed to improve the averaging procedure: wavelet decomposition and denoising, spatial, temporal and spatio-temporal filtering. We emphasize basic concepts of principal component analysis, common spatial pattern, and blind source separation, including independent component analysis. We cover practical questions related to the averaging procedure: overlapping ERPs, correcting inter-sweep latency and amplitude variability, alternative averaging methods (e.g., median), and estimation of ERP onset. Some specific aspects of ERP analysis in the frequency domain are surveyed, along with topographic analysis, statistical testing, and classification methods.
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Epstein, Ben. The Only Constant is Change. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190698980.001.0001.
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The Only Constant Is Change presents and tests the political communication cycle (PCC), a model describing how political actors and organizations make decisions about if, how, and when to innovate their political communication practices. Generally speaking, political communication goals have remained largely stable over time, but the strategies used to accomplish these goals have changed a great deal. The PCC describes the recurring process of political communication innovation through American political history. This model incorporates the technological, political, and behavioral factors influencing how and when changes in political communication activity take place. The PCC is made up of three phases that also serve as an organizational structure for the book. First is the technological imperative, which focuses on how new information and communications technologies (ICT) are developed and what types of ICTs may be more or less likely to be used to innovate political communication. Next, the political choice phase incorporates the behavioral processes embedded in how different types of actors choose whether to innovate or not. This phase is the most critical and is analyzed through case studies evaluating how campaigns, social movements, and interest groups have or have not changed their political communication activities over time. Finally, the stabilization phase encompasses the process of how once innovative techniques become the new status quo though the establishment of new norms, regulations, and institutions. The book explores these changes through historical and contemporary analysis, which offers important context and tools to understand political communication through history and today.
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Sutter, Raoul, Peter W. Kaplan et Donald L. Schomer. Historical Aspects of Electroencephalography. Sous la direction de Donald L. Schomer et Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0001.
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Electroencephalography (EEG), a dynamic real-time recording of electrical neocortical brain activity, began in the 1600s with the discovery of electrical phenomena and the concept of an “action current.” The galvanometer was introduced in the 1800s and the first bioelectrical observations of human brain signals were made in the 1900s. Certain EEG patterns were associated with brain disorders, increasing the clinical and scientific use of EEG. In the 1980s, technical advances allowed EEGs to be digitized and linked with videotape recording. In the 1990s, digital data storage increased and computer networking enabled remote real-time EEG reading, which made possible continuous EEG (cEEG) monitoring. Manual cEEG analysis became increasingly labor-intensive, calling for methods to assist this process. In the 2000s, complex algorithms enabling quantitative EEG analyses were introduced, with a new focus on shared activity between rhythms, including phase and magnitude synchrony. The automation of spectral analysis enabled studies of spectral content.
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Hook, Sharon, Graeme Batley, Michael Holloway, Paul Irving et Andrew Ross, dir. Oil Spill Monitoring Handbook. CSIRO Publishing, 2016. http://dx.doi.org/10.1071/9781486306350.
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Oil spills can be difficult to manage, with reporting frequently delayed. Too often, by the time responders arrive at the scene, the slick has moved, dissolved, dispersed or sunk. This Oil Spill Monitoring Handbook provides practical advice on what information is likely required following the accidental release of oil or other petroleum-based products into the marine environment.
The book focuses on response phase monitoring for maritime spills, otherwise known as Type I or operational monitoring. Response phase monitoring tries to address the questions – what? where? when? how? how much? – that assist responders to find, track, predict and clean up spills, and to assess their efforts. Oil spills often occur in remote, sensitive and logistically difficult locations, often in adverse weather, and the oil can change character and location over time. An effective response requires robust information provided by monitoring, observation, sampling and science.
The Oil Spill Monitoring Handbook completely updates the Australian Maritime Safety Authority’s 2003 edition of the same name, taking into account the latest scientific advances in physical, chemical and biological monitoring, many of which have evolved as a consequence of major oil spill disasters in the last decade. It includes sections on the chemical properties of oil, the toxicological impacts of oil exposure, and the impacts of oil exposure on different marine habitats with relevance to Australia and elsewhere. An overview is provided on how monitoring integrates with the oil spill response process, the response organisation, the use of decision-support tools such as net environmental benefit analysis, and some of the most commonly used response technologies. Throughout the text, examples are given of lessons learned from previous oil spill incidents and responses, both local and international.
General guidance of spill monitoring approaches and technologies is augmented with in-depth discussion on both response phase and post-response phase monitoring design and delivery. Finally, a set of appendices delivers detailed standard operating procedures for practical observation, sample and data collection.
The Oil Spill Monitoring Handbook is essential reading for scientists within the oil industry and environmental and government agencies; individuals with responder roles in industry and government; environmental and ecological monitoring agencies and consultants; and members of the maritime sector in Australia and abroad, including officers in ports, shipping and terminals.
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Araújo, Ana Cláudia Vaz de. Síntese de nanopartículas de óxido de ferro e nanocompósitos com polianilina. Brazil Publishing, 2021. http://dx.doi.org/10.31012/978-65-5861-120-2.
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In this work magnetic Fe3O4 nanoparticles were synthesized through the precipitation method from an aqueous ferrous sulfate solution under ultrasound. A 23 factorial design in duplicate was carried out to determine the best synthesis conditions and to obtain the smallest crystallite sizes. Selected conditions were ultrasound frequency of 593 kHz for 40 min in 1.0 mol L-1 NaOH medium. Average crystallite sizes were of the order of 25 nm. The phase obtained was identified by X-ray diffractometry (XRD) as magnetite. Scanning electron microscopy (SEM) showed polydisperse particles with dimensions around 57 nm, while transmission electron microscopy (TEM) revealed average particle diameters around 29 nm, in the same order of magnitude of the crystallite size determined with Scherrer’s equation. These magnetic nanoparticles were used to obtain nanocomposites with polyaniline (PAni). The material was prepared under exposure to ultraviolet light (UV) or under heating, from dispersions of the nanoparticles in an acidic solution of aniline. Unlike other synthetic routes reported elsewhere, this new route does not utilize any additional oxidizing agent. XRD analysis showed the appearance of a second crystalline phase in all the PAni-Fe3O4 composites, which was indexed as goethite. Furthermore, the crystallite size decreases nearly 50 % with the increase in the synthesis time. This size decrease suggests that the nanoparticles are consumed during the synthesis. Thermogravimetric analysis showed that the amount of polyaniline increases with synthesis time. The nanocomposite electric conductivity was around 10-5 S cm-1, nearly one order of magnitude higher than for pure magnetite. Conductivity varied with the amount of PAni in the system, suggesting that the electric properties of the nanocomposites can be tuned according to their composition. Under an external magnetic field the nanocomposites showed hysteresis behavior at room temperature, characteristic of ferromagnetic materials. Saturation magnetization (MS) for pure magnetite was ~ 74 emu g-1. For the PAni-Fe3O4 nanocomposites, MS ranged from ~ 2 to 70 emu g-1, depending on the synthesis conditions. This suggests that composition can also be used to control the magnetic properties of the material.
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Gibson, Rachel K. When the Nerds Go Marching In. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780195397789.001.0001.
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When the Nerds Go Marching In shows how digital technology has moved from the margins to the mainstream of campaign and election organization in contemporary democracies. Combining an extensive review of existing literature and comparative data sources with original survey evidence and web content analysis of digital campaign content across four nations—the United Kingdom, Australia, France, and the United States—the book maps the key shifts in the role and centrality of the internet in election campaigns over a twenty-year period. The chapters reveal how these countries have followed a four-phase model of digital campaign development which begins with experimentation, and is followed by a period of standardization and professionalization. Subsequent phases focus on increasingly strategic activities around the mobilization of activists and supporters, before switching to micro-targeted mobilizing of individual voters. The changes are mapped over time in each country from the perspective of both the campaigners (supply side), and that of voters (demand side), and the four nations are compared in terms of how far and fast they have moved through the developmental cycle. As well as providing the most comprehensive narrative charting the evolution of digital campaigning from its inception in the mid-1990s, the book also offers important insights into the national conditions that have been most conducive to its diffusion. Finally, based on the findings from the most recent phase of development, the book speculates on the future direction for political campaigns as they increasingly rely on digital tools and artificial intelligence for direction and decision-making during elections.
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Bever, Thomas G. The Unity of Consciousness and the Consciousness of Unity. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190464783.003.0005.
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Every language-learning child eventually automatically segments the organization of word sequences into natural units. Within the natural units, processing of normal conversation reveals a disconnect between listener’s representation of the sound and meaning of utterances. A compressed or absent word at a point early in a sequence is unintelligible until later acoustic information, yet listeners think they perceived the earlier sounds and their interpretation as they were heard. This discovery has several implications: Our conscious unified experience of language as we hear and simultaneously interpret it is partly reconstructed in time-suspended “psychological moments”; the “poverty of the stimulus language learning problem” is far graver than usually supposed; the serial domain where such integration occurs may be the “phase,” which unifies the serial percept with structural assignment and meanings; every level of language processing overlaps with others in a “computational fractal”; each level analysis-by-synthesis interaction of associative-serial and structure dependent processes.
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Swendsen, Robert H. An Introduction to Statistical Mechanics and Thermodynamics. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198853237.001.0001.
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This is a textbook on statistical mechanics and thermodynamics. It begins with the molecular nature of matter and the fact that we want to describe systems containing many (1020) particles. The first part of the book derives the entropy of the classical ideal gas using only classical statistical mechanics and Boltzmann’s analysis of multiple systems. The properties of this entropy are then expressed as postulates of thermodynamics in the second part of the book. From these postulates, the structure of thermodynamics is developed. Special features are systematic methods for deriving thermodynamic identities using Jacobians, the use of Legendre transforms as a basis for thermodynamic potentials, the introduction of Massieu functions to investigate negative temperatures, and an analysis of the consequences of the Nernst postulate. The third part of the book introduces the canonical and grand canonical ensembles, which are shown to facilitate calculations for many models. An explanation of irreversible phenomena that is consistent with time-reversal invariance in a closed system is presented. The fourth part of the book is devoted to quantum statistical mechanics, including black-body radiation, the harmonic solid, Bose–Einstein and Fermi–Dirac statistics, and an introduction to band theory, including metals, insulators, and semiconductors. The final chapter gives a brief introduction to the theory of phase transitions. Throughout the book, there is a strong emphasis on computational methods to make abstract concepts more concrete.
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Heathcote, Gina. Feminist Dialogues on International Law. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780199685103.001.0001.
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Reflecting on recent gender law reform within international law, this book examines the nature of feminist interventions to consider what the next phase of feminist approaches to international law might include. To undertake analysis of existing gender law reform and future gender law reform, the book engages critical legal inquiries on international law on the foundations of international law. At the same time, the text looks beyond mainstream feminist accounts to consider the contributions, and tensions, across a broader range of feminist methodologies than has been adapted and incorporated into gender law reform including transnational and postcolonial feminisms. The text therefore develops dialogues across feminist approaches, beyond dominant Western liberal, radical, and cultural feminisms, to analyse the rise of expertise and the impact of fragmentation on global governance, to study sovereignty and international institutions, and to reflect on the construction of authority within international law. The book concludes that through feminist dialogues that incorporate intersectionality, and thus feminist dialogues with queer, crip, and race theories, that reflect on the politics of listening and which are actively attentive to the conditions of privilege from which dominant feminist approaches are articulated, opportunity for feminist dialogues to shape feminist futures on international law emerge. The book begins this process through analysis of the conditions in which the author speaks and the role histories of colonialism play out to define her own privilege, thus requiring attention to indigenous feminisms and, in the UK, the important interventions of Black British feminisms.
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Nitzan, Abraham. Chemical Dynamics in Condensed Phases. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780198529798.001.0001.
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This text provides a uniform and consistent approach to diversified problems encountered in the study of dynamical processes in condensed phase molecular systems. Given the broad interdisciplinary aspect of this subject, the book focuses on three themes: coverage of needed background material, in-depth introduction of methodologies, and analysis of several key applications. The uniform approach and common language used in all discussions help to develop general understanding and insight on condensed phases chemical dynamics. The applications discussed are among the most fundamental processes that underlie physical, chemical and biological phenomena in complex systems. The first part of the book starts with a general review of basic mathematical and physical methods (Chapter 1) and a few introductory chapters on quantum dynamics (Chapter 2), interaction of radiation and matter (Chapter 3) and basic properties of solids (chapter 4) and liquids (Chapter 5). In the second part the text embarks on a broad coverage of the main methodological approaches. The central role of classical and quantum time correlation functions is emphasized in Chapter 6. The presentation of dynamical phenomena in complex systems as stochastic processes is discussed in Chapters 7 and 8. The basic theory of quantum relaxation phenomena is developed in Chapter 9, and carried on in Chapter 10 which introduces the density operator, its quantum evolution in Liouville space, and the concept of reduced equation of motions. The methodological part concludes with a discussion of linear response theory in Chapter 11, and of the spin-boson model in chapter 12. The third part of the book applies the methodologies introduced earlier to several fundamental processes that underlie much of the dynamical behaviour of condensed phase molecular systems. Vibrational relaxation and vibrational energy transfer (Chapter 13), Barrier crossing and diffusion controlled reactions (Chapter 14), solvation dynamics (Chapter 15), electron transfer in bulk solvents (Chapter 16) and at electrodes/electrolyte and metal/molecule/metal junctions (Chapter 17), and several processes pertaining to molecular spectroscopy in condensed phases (Chapter 18) are the main subjects discussed in this part.
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Nolte, David D. Introduction to Modern Dynamics. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198844624.001.0001.
Texte intégralRésumé :
Introduction to Modern Dynamics: Chaos, Networks, Space and Time (2nd Edition) combines the topics of modern dynamics—chaos theory, dynamics on complex networks and the geometry of dynamical spaces—into a coherent framework. This text is divided into four parts: Geometric Mechanics, Nonlinear Dynamics, Complex Systems, and Relativity. These topics share a common and simple mathematical language that helps students gain a unified physical intuition. Geometric mechanics lays the foundation and sets the tone for the rest of the book by emphasizing dynamical spaces, like state space and phase space, whose geometric properties define the set of all trajectories through those spaces. The section on nonlinear dynamics has chapters on chaos theory, synchronization, and networks. Chaos theory provides the language and tools to understand nonlinear systems, introducing fixed points that are classified through stability analysis and nullclines that shepherd system trajectories. Synchronization and networks are central paradigms in this book because they demonstrate how collective behavior emerges from the interactions of many individual nonlinear elements. The section on complex systems contains chapters on neural dynamics, evolutionary dynamics, and economic dynamics. The final section contains chapters on metric spaces and the special and general theories of relativity. In the second edition, sections on conventional topics, like applications of Lagrangians, have been strengthened, as well as being updated to provide a modern perspective. Several of the introductory chapters have been rearranged for improved logical flow and there are expanded homework problems at the end of each chapter.
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Wilkinson, Michael A. Authoritarian Liberalism and the Transformation of Modern Europe. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198854753.001.0001.
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<Online Only>This book recounts the transformation of Europe from the interwar era until the euro crisis, using the tools of constitutional analysis and critical theory. The central claim is twofold: post-war Europe is reconstituted in a manner combining political authoritarianism and economic liberalism, producing an order which is now in a critical condition. The book begins in the interwar era, when liberalism, unable to deal with mass democracy and the social question, turns to authoritarianism in an attempt to suppress democracy, with disastrous consequences in Weimar and elsewhere. After the Second World War, partly on the basis of a very different diagnosis of interwar collapse, and initially through a passive authoritarianism, inter-state sovereignty is reconfigured, state-society relations are depoliticized, and social relations transformed. Integration is substituted for internationalism, technocracy for democracy, and economic liberty for political freedom and class struggle. This transformation takes time to unfold, and it presents continuities as well as discontinuities. It is deepened by the neo-liberalism of the Maastricht era and the creation of Economic and Monetary Union, and yet countermovements then also emerge: geopolitically, in the return of the German question; and domestically, in the challenges presented by constitutional courts and anti-systemic movements. Struggles over sovereignty, democracy, and political freedom resurface, but are then more actively repressed through the authoritarian liberalism of the euro crisis phase. This leads now to an impasse. Anti-systemic politics return but remain uneasily within the EU, suggesting that the post-war order of authoritarian liberalism is reaching its limits. As yet, however, there has been no definitive rupture.</Online Only>