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This volume contains a collection of articles based on empirical social science research in forest margin communities around the Lore Lindu National Park in Central Sulawesi, Indonesia. It refers to a worldwide and particularly topical issue, regarding the declining forest resources and man's role in the observed processes of nature degradation.

One century after Hilbert constructed the first example of a non-classical affine plane, this book aims to summarize all the major results about geometries on surfaces. Acting both as a reference and a monograph, the authors have included detailed sections on what is known as well as outlining problems that remain to be solved. There are sections on classical geometries, methods for constructing non-classical geometries and classifications and characterizations of geometries. This work is related to a host of other fields including approximation, convexity, differential geometry topology and...