 Principles of Partial Differential Equations (Problem Books in Mathematics)This concise book covers the classical tools of PDE theory used in today's science and engineering: characteristics, the wave propagation, the Fourier method, distributions, Sobolev spaces, fundamental solutions, and Green's functions. The approach is problem-oriented, giving the reader an opportunity to master solution techniques. The... |  |  IronRuby UnleashedRuby has built an enormous following of developers attracted by its intuitiveness, flexibility, and simplicity. Meanwhile, Microsoft’s .NET has grown and matured into a platform of unparalleled power. IronRuby brings them together, enabling developers to write elegant, efficient Ruby code that seamlessly... |  |  Mining, Society, and a Sustainable WorldThis is the first book of peer-reviewed, edited papers that examines the broad subject of the minerals industry in relation to sustainable development. The book takes a proactive, positivist, and solution-oriented approach, while not shying away from identifying the real problems that mining raises in respect to social and economic development,... |