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[5] Nifedipine was patented in 1967, and approved for use in the United States in 1981. [2] [6] [7] It is on the World Health Organization's List of Essential Medicines. [8] It is available as a generic medication. [2] In 2022, it was the 151st most commonly prescribed medication in the United States, with more than 3 million prescriptions. [9 ...
Matiyasevich's theorem, also called the Matiyasevich–Robinson–Davis–Putnam or MRDP theorem, says: . Every computably enumerable set is Diophantine, and the converse.. A set S of integers is computably enumerable if there is an algorithm such that: For each integer input n, if n is a member of S, then the algorithm eventually halts; otherwise it runs forever.
Raynaud’s occurs in 2% to 5% of the population, more commonly in women, and takes two forms. Primary Raynaud’s is by far the most common and is typically diagnosed in teenage girls and women ...
In general, this makes them hard to solve. Nonetheless, several effective techniques for obtaining exact solutions have been established. The simplest involves imposing symmetry conditions on the metric tensor, such as stationarity (symmetry under time translation) or axisymmetry (symmetry under rotation about some symmetry axis).
Every vector a in three dimensions is a linear combination of the standard basis vectors i, j and k.. In mathematics, the standard basis (also called natural basis or canonical basis) of a coordinate vector space (such as or ) is the set of vectors, each of whose components are all zero, except one that equals 1. [1]
In 1985, he proved Raynaud's isogeny theorem on Faltings heights of isogenous elliptic curves. [5] With David Harbater and following the work of Jean-Pierre Serre, Raynaud proved Abhyankar's conjecture in 1994. [6] [7] [8] The Raynaud surface was named after him by William E. Lang in 1979. [9] [10]
The Feynman–Kac formula, named after Richard Feynman and Mark Kac, establishes a link between parabolic partial differential equations and stochastic processes.In 1947, when Kac and Feynman were both faculty members at Cornell University, Kac attended a presentation of Feynman's and remarked that the two of them were working on the same thing from different directions. [1]
In mathematics, the following inequality is known as Titu's lemma, Bergström's inequality, Engel's form or Sedrakyan's inequality, respectively, referring to the article About the applications of one useful inequality of Nairi Sedrakyan published in 1997, [1] to the book Problem-solving strategies of Arthur Engel published in 1998 and to the book Mathematical Olympiad Treasures of Titu ...