Techniques based on the method of modal expansions, the Rayleigh-Stevenson expansion in inverse powers of the wavelength, and also the method of moments solution of integral equations are essentially restricted to the analysis of electromagnetic radiating structures which are small in terms of the wavelength. It therefore becomes necessary to employ approximations based on "high-frequency techniques" for performing an efficient analysis of electromagnetic radiating systems that are large in terms of the wavelength. One of the most versatile and useful high-frequency techniques is the geometrical theory of diffraction (GTD), which was developed around 1951 by J. B. Keller [1,2,3]. A class of diffracted rays are introduced systematically in the GTD via a generalization of the concepts of classical geometrical optics (GO). According to the GTD these diffracted rays exist in addition to the usual incident, reflected, and transmitted rays of GO. The diffracted rays in the GTD originate from certain "localized" regions on the surface of a radiating structure, such as at discontinuities in the geometrical and electrical properties of a surface, and at points of grazing incidence on a smooth convex surface as illustrated in Fig. 1. In particular, the diffracted rays can enter into the GO shadow as well as the lit regions. Consequently, the diffracted rays entirely account for the fields in the shadow region where the GO rays cannot exist.

Product Description: In recent years, there has been a resurgence of academic interest in Adam Smith. As a consequence, a large number of PhD dissertations on Smith have been written by international scholars - in different languages, and in many diverse disciplines, including economics, women’s studies, philosophy, science studies, political theory and english literature: diversity which has enriched the area of study...read more

This comprehensive, analytical index to the Glasgow Edition of the Works of Adam Smith includes: Smith's original indexes, authorities cited by him, cross references to his own writings, and more. It should prove an invaluable tool for Smith scholars. (view table of contents)

(view table of contents)

(view table of contents)

(view table of contents)

Product Description: David Hume is commonly known as one of the greatest philosophers to write in English. He was also one of the foremost political and economic theorists and one of the finest historians of the eighteenth century. His political essays reflect the entire range of his intellectual engagement with politics--as political philosophy, political observation and political history--and function as an extension of and supplement to works such as his Treatise of Human Nature and his History of England...read more

Product Description: Written by leading authorities in history, philosophy, jurisprudence and political theory, the essays in this volume provide new insights into the variable and changing contents of the rights thinking and consciousness that lie at the core of American political culture and shape its central political institutions...read more (view table of contents, read Amazon.com's description)

Product Description: As the originator of the Scottish school of "common sense" philosophy and the foremost contemporary critic of David Hume's moral skepticism, Thomas Reid (1710-1796) played a hitherto unknown role in applying the tradition of natural law to morality and politics...read more

Product Description: Combining the methods of the modern philosopher with those of the historian of ideas, Knud Haakonssen presents an interpretation of the philosophy of law which Adam Smith developed out of - and partly in response to - David Hume's theory of justice...read more (view table of contents, read Amazon.com's description)