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Modification

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of an analytic space

An analytic mapping of analytic spaces such that for certain analytic sets and of smaller dimensions, the conditions

and

hold. A modification is also called a contraction of onto . An example of a modification is a monoidal transformation.

See also Exceptional analytic set; Exceptional subvariety.

References

[1] H. Behnke, K. Stein, "Modifikation komplexer Mannigfaltigkeiten und Riemannschen Gebiete" Math. Ann. , 124 : 1 (1951) pp. 1–16


Comments

References

[a1] R. Hartshorne, "Algebraic geometry" , Springer (1977)
How to Cite This Entry:
Modification. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Modification&oldid=23900
This article was adapted from an original article by A.L. Onishchik (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article