Algebraic geometry has always been an ec1ectic science, with its roots in algebra, function-theory and topology. Apart from early resear ches, now about a century old, this beautiful branch of mathematics has for many years been investigated chiefly by the Italian school which, by its pioneer work, based on algebro-geometric methods, has succeeded in building up an imposing body of knowledge. Quite apart from its intrinsic interest, this possesses high heuristic value since it represents an essential step towards the modern achievements. A certain lack of rigour in the c1assical methods,...

The rise of China and India has completely changed the world economy, moving it towards disequilibrium. Several alternative economic policies are tested to seek a way towards high growth in any continent associated with long-run real and financial equilibrium. The authors argue for a new exchange rate system and a new world governance.