منابع مشابه
Ancient Greek weights and measures
Moreover, the comparative study of prices in Egypt and even in parts of Egypt (a nome, a toparchy, a village) is rendered very difficult by many peculiar circumstances. This is true, for example, of the prices of such a basic commodity as grain. In the statistical lists compiled by modern scholars the price of grain is shown per artaba, as if the artaba were a constant measure. In fact, as has ...
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An important topic in East Asian Studies is the way things have been measured throughout history. Although this is a highly technical subject, some familiarity with it is necessary if you are to understand how people keep track of things. As with many of the handouts for this course, the comments contained here are designed to introduce the basics and only suggest some of the deeper complexitie...
متن کاملInternal Consistencies: regarding Weights and Measures
Rather than seeing a distinction between theoretical discourse and the science of building Vitruvius, a Roman architect and engineer active in the 1st century BC, argued convincingly for the breadth of knowledge necessary to practice architecture with authority, that "knowledge is the child of practice and theory". The crux of his argument is that a sufficient breadth of training, to appreciate...
متن کاملLearning Feature Weights for Similarity Measures
When employing a similarity function to measure the similarity between two cases, one large problem is how to determine the feature weights. This paper presents a new method for learning feature weights in a similarity function from the given similarity information. The similarity information can be divided into two kinds: One is called qualitative similarity information which represents the si...
متن کاملChapter 9 Representations of Lie Groups 9 . 1 Fundamental Weights
Let us label the simple roots ~ α, i = 1, . . . , m. They and their conjugates generate (not linearly) any element of the Lie algebra. Thus any representation can be determined by how it behaves under these roots. The weights have an ordering, so any finite dimensional representation has a greatest weight ~μmax. The weight ~μ of a basis element is ~μmax if and only if ~μ+~ α is not a weight for...
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ژورنال
عنوان ژورنال: The Mathematical Gazette
سال: 1961
ISSN: 0025-5572,2056-6328
DOI: 10.1017/s0025557200215660