Titlebook: Health Care Systems and Policies; Ewout van Ginneken,Reinhard Busse Living reference work 2020Latest edition

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Gregory Marchildonhat we obtain an embedding of the category of schemes into the category of such functors and thus we can consider schemes also as functors. Functors . that lie in the essential image of this embedding are called .. We say that a scheme . . . if .. It is one of the central problems within algebraic g

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Madelon Kroneman,Willemijn Sch?ferof the most important developments in the last fifty years within this area. A systematic treatment and motivation of the theory is emphasized, using concrete examples to illustrate its usefulness. Several examples from the realm of Hilbert modular surfaces and of determinantal varieties are used me

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