منابع مشابه
Dualism: from Descartes and Bacon to AJNR.
T he Oxford English Dictionary defines duality as " an opposition or contrast between two concepts or aspects. " 1 In the American Journal of Neuroradiology (AJNR), I see these aspects reflected in the nature of our articles, which are either basic research or clinically oriented. Basic research articles tend to be multiauthored, hypothesis-driven, and thus prospective, blinded, and controlled,...
متن کاملThe Descartes Rule of Sweeps and the Descartes Signature
The Descartes Rule of Signs, which establishes a bound on the number of positive roots of a polynomial with real coefficients, is extended to polynomials with complex coefficients. The extension is modified to bound the number of complex roots in a given direction on the complex plane, giving rise to the Descartes Signature of a polynomial. The search for the roots of a polynomial is sometimes ...
متن کاملArithmetic Multivariate Descartes' Rule Arithmetic Multivariate Descartes' Rule
Let L be any number field or p-adic field and consider F := (f1, . . . , fk) where fi∈L[x ±1 1 , . . . , x ±1 n ]\{0} for all i and there are exactlym distinct exponent vectors appearing in f1, . . . , fk. We prove that F has no more than 1+ ( σm(m− 1)2n2 logm )n geometrically isolated roots in Ln, where σ is an explicit and effectively computable constant depending only on L. This gives a sign...
متن کاملPhilosophy and memory traces: Descartes to connectionism
his limitations. Yet, the malaria problem would prove to be a task worthy of Ross's relentless search for approval. Quite apart from being a stubborn obstacle to British colonialism in India and elsewhere, the plasmodia had become an international phenomenon. It offered Ross a stage for recognition. It also brought Ross and Manson together. While on furlough in the spring of 1894, Ross solicite...
متن کامل7 Descartes ’ Perfect Lens
We give a new, elementary, purely analytical development of Descartes’ theorem that a smooth connected surface is a perfect focusing lens if and only if it is a connected subset of the ovoid obtained by revolving a cartesian oval around its axis of symmetry.
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ژورنال
عنوان ژورنال: Glasnik Advokatske komore Vojvodine
سال: 1996
ISSN: 0017-0933,2683-5967
DOI: 10.5937/gakv9612490b