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Starting with elementary operator theory and matrix analysis, this book introduces the basic properties of the numerical range and gradually builds up the whole numerical range theory. Over 400 assorted problems, ranging from routine exercises to published research results, give you the chance to put the theory into practice and test your understanding. Interspersed throughout the text are numerous comments and references, allowing you to discover related developments and to pursue areas of interest in the literature. Also included is an appendix on basic convexity properties on the Euclidean...

Asia is at a geopolitical crossroads. After China launched its ambitious Belt and Road Initiative (BRI) in 2013, Japan and the United States responded with the November 2017 promulgation of the Free and Open Indo-Pacific (FOIP) Strategy. Perhaps not surprisingly, these two initiatives share some common features, and two of these - their ambiguity and their competitiveness - seem to be crucial in the foreign policy evaluation process. Competition leads to ambiguity, which makes reactions, and responses in foreign policy more and more difficult. Middle-Power Responses to China’s BRI and...