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Properties of Morphisms of Schemes

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Abstract

This chapter contains such important concepts as sheaves of modules and algebras on schemes, quasi coherence and coherence for these sheaves, Spec of a sheaf of algebras on a scheme, reduced structure and the generalization of the field of functions from the classical theory to the algebra of fractions for a scheme. Also treated here are irreducible components of Noetherian schemes, embeddings, the graph and the diagonal in the category of schemes, and finally, separated morphisms and separated schemes.

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Notes

  1. 1.

    We follow [15] and [35].

  2. 2.

    Compare with [15] III No. 17, Err III on p. 88. A subscheme is by definition locally closed, a closed subscheme of an open subscheme.

References

  1. Grothendieck, A.: Éléments de géométrie algébrique. i–iv. Publ. Math. I.H.E.S., 4, 8, 11, 17, 20, 24, 28, 32

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  2. Macdonald, I.G.: Algebraid Geometry. Introduction to Schemes. Mathematics Lecture Notes Series. W.A. Benjamin, New York (1968)

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Correspondence to Audun Holme .

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© 2012 Springer-Verlag Berlin Heidelberg

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Holme, A. (2012). Properties of Morphisms of Schemes. In: A Royal Road to Algebraic Geometry. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19225-8_11

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