John Dickson Dow
نویسندگان
چکیده
منابع مشابه
Modified Dickson
ZM^fi-V—^yy"^ (»*l) (1.D j=o " A J ) in the indeterminate^, where the symbol [ • J denotes the greatest integer function. It can be seen that z n = b W . l ) ("even), \y-pn(yA) (Koddand^O), where pn(y, 1) are the Dickson polynomials iny with the parameter c = 1 (e.g., see (1.1) of [1]). Because of the relation (1.2), the quantities Zn(y) will be referred to as modified Dickson polynomials. Info...
متن کاملDickson curves
Let Kq denote the finite field of order q and odd characteristic p. For a ∈ Kq, let gd(x,a) denote the Dickson polynomial of degree d defined by gd(x,a) = ∑[d/2] i=0 d/ (d− i)(d−i i )(−a)ixd−2i. Let f (x) denote a monic polynomial with coefficients in Kq. Assume that f 2(x)−4 is not a perfect square and gcd(p,d)=1. Also assume that f (x) and g2( f (x),1) are not of the form gd(h(x),c). In this ...
متن کاملAlan Dow
One of the many gifts from Alan to Set-theoretic Topology is the use of elementarity. For a while this was even known as “Dow’s method of elementary submodels”. But Alan would be, was, and still is the first to protest that the Löwenheim-Skolem theorem predates him by a few decades. We have for the longest time been familiar with recursive constructions where often beforehand a sequence of situ...
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We prove that the following statement follows from the Open Colouring Axiom (OCA): if X is locally compact σ-compact but not compact and if itš Cech-Stone remainder X * is a continuous image of ω * then X is the union of ω and a compact set. It follows that the remainders of familiar spaces like the real line or the sum of countably many Cantor sets need not be continuous images of ω * .
متن کاملWalter Dickson
Born in Edinburgh on the 1st February 1821, he was educated at the High School of that city. It was at the University of Edinburgh that he received his medical education. His early youth gave promise of his future ; for his assiduity, his love of work, during this period of his life, were such as to augur well for that future. He graduated in 1841 with first-class honours; his Thesis on " The P...
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ژورنال
عنوان ژورنال: BMJ
سال: 2008
ISSN: 0959-8138,1756-1833
DOI: 10.1136/bmj.39498.723912.be