Notes and Numbers on the Profits Squeeze
نویسندگان
چکیده
منابع مشابه
Notes on Algebraic Numbers
This is a summary of my 1994–1995 course on Algebraic Numbers. (Revised and improved on 1993– 1994!) The background assumed is standard elementary number theory—as found in my Level III course—and a little (Abelian) group theory. Corrections and suggestions for improvement are welcome, and will be credited in future editions! I first learned algebraic number theory from Stewart & Tall’s book ([...
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There are two different definitions of generalized Fermat numbers (GFN), one of which is more general than the other. In [5], Ribenboim defines a generalized Fermat number as a number of the form Fa,n = a n + 1 with a > 2, while Riesel ([6]) further generalizes, defining it to be a number of the form a n + b n . Both definitions generalize the usual Fermat numbers Fn = 2 n + 1. The only known F...
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as one can check using induction on l. The usual absolute value function |x| satisfies these conditions with the ordinary triangle inequality (4). If N(x) = 0 when x = 0 and N(x) = 1 when x 6= 0, then N(x) satisfies these conditions with the ultrametric version of the triangle inequality. For each prime number p, the p-adic absolute value of a rational number x is denoted |x|p and defined by |x...
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The Motzkin numberMn is the cardinality of the set of sequencesMn = f(xi)ni=1 : xi 2 f 1; 0; 1g; all partial sums P k i=1 xi are nonnegative and P n i=1 xi = 0g. These sequences have a pictorial representation as Motzkin paths: lattice paths of upsteps (corresponding to +1), downsteps ( 1) and atsteps (0) that begin and end at, but never dip below, \ground level". For example, the M3 = 4 Motzki...
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The notion of a number is as old as mathematics itself, and their developments have been inseparable. Usually a new set of numbers included the old set, or, as we often say, extended it. In this way, the set {1, 2, 3, ...} of natural numbers, has been extended by adding zero to it, negative integers, rational numbers (fractions), irrational numbers, complex numbers. The actual extensions happen...
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ژورنال
عنوان ژورنال: Brookings Papers on Economic Activity
سال: 1970
ISSN: 0007-2303
DOI: 10.2307/2534142