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In 2018, the members of the African Union adopted the African Continental Free Trade Area Agreement (AfCFTA). This book examines the AfCFTA, dissecting its key provisions. It stresses the importance of the AfCFTA in the context of increasing episodes of trade protection in Africa, and it theorizes on the role of the treaty organs. The book also examines the importance of citizen participation for the success of the AfCFTA, as well as exploring the role sub-state actors can play. Ultimately, the study adds to the understanding of the array of problems that are associated with regional trade in Africa and the role law plays in resolving these problems. It will be of importance to academics and students of international law, especially those with an interest in African trade law, as well as legal professionals and policymakers.
Various techniques are available for the analysis of nonlinear sampled-data systems. Most of these methods use either the phase plane approach or the describing function technique. Since the performance of such a system is described, at sampling instants, by means of a difference equation, an approach based on the difference equation would seem to be both natural and direct. The principle of complex convolution for a transform is explained and its geometrical interpretation is given. It is shown how the application of the convolution transform is both direct and simple with respect to solving nonlinear difference equations when the equation is given in scalar form. Dependence of the convergence of the solution on the initial value and the degree of nonlinearity is pointed out. It is concluded that for difference equations of second order and higher, this method involves too much laborious computation to justify its use. A simple method is presented for examining free oscillations in a sampled-data system containing either relay or a saturating amplifier. In addition, a certain analytical technique, analogous to that for differential equations, is developed to investigate the stability of forced oscillations for certain types of nonlinear difference equations. (Author).