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Hearings
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The Odyssey of Love
Tolle Lege, take up and read! These words from St. Augustine perfectly describe the human condition. Reading is the universal pilgrimage of the soul. In reading we journey to find ourselves and to save ourselves. The ultimate journey is reading the Great Books. In the Great Books we find the struggle of the human soul, its aspirations, desires, and failures. Through reading, we find faces and souls familiar to us even if they lived a thousand years ago. The unread life is not worth living, and in reading we may well discover what life is truly about and prepare ourselves for the pilgrimage of life.
Nonlinear Symmetries and Nonlinear Equations
The study of (nonlinear) dift"erential equations was S. Lie's motivation when he created what is now known as Lie groups and Lie algebras; nevertheless, although Lie group and algebra theory flourished and was applied to a number of dift"erent physical situations -up to the point that a lot, if not most, of current fun damental elementary particles physics is actually (physical interpretation of) group theory -the application of symmetry methods to dift"erential equations remained a sleeping beauty for many, many years. The main reason for this lies probably in a fact that is quite clear to any beginner in the field. Namely, the formidable comple:rity ofthe (algebraic, not numerical!) computations involved in Lie method. I think this does not account completely for this oblivion: in other fields of Physics very hard analytical computations have been worked through; anyway, one easily understands that systems of dOlens of coupled PDEs do not seem very attractive, nor a very practical computational tool.
U. S. Army Register
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Money and Exchange
This groundbreaking study dispels some of the old myths and conjectures concerning money and exchange, and opens up the way for the development of new approaches, both realistic and evolutionary.
