Criteria of Contractability and Rational Singularities

  • Lucian Bădescu
Part of the Universitext book series (UTX)

Abstract

In what follows, surface will mean nonsingular projective surface. If other types of surfaces are to be considered, we will specify that explicitly; for example, we will say normal surfaces, affine surfaces, etc.

Keywords

Exact Sequence Local Ring Rational Singularity Dynkin Diagram Global Section 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Bibliographic References

  1. The main references for this chapter are [Artl, Art2].Google Scholar
  2. The method of proof of (3.12), (3.13), and (3.14) belongs to the author.Google Scholar
  3. Some of the proofs (for example, those of (3.23), (3.24), and (3.25)) were inspired by [Lip].Google Scholar

Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Lucian Bădescu
    • 1
  1. 1.Institute of MathematicsRomanian AcademyBucharestRomania

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