Integral closure of a cubic extension and applications

Author:
Sheng-Li Tan

Journal:
Proc. Amer. Math. Soc. **129** (2001), 2553-2562

MSC (2000):
Primary 13B22, 14F05, 14E20

Published electronically:
February 9, 2001

MathSciNet review:
1838377

Full-text PDF Free Access

Abstract | References | Similar Articles | Additional Information

Abstract: In this paper, we compute the integral closure of a cubic extension over a Noetherian unique factorization domain. We also present some applications to triple coverings and to rank two reflexive sheaves over an algebraic variety.

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Additional Information

**Sheng-Li Tan**

Affiliation:
Department of Mathematics, East China Normal University, Shanghai 200062, People’s Republic of China

Email:
sltan@math.ecnu.edu.cn

DOI:
http://dx.doi.org/10.1090/S0002-9939-01-05902-0

Keywords:
Cubic extension,
integral closure,
covering,
vector bundle

Received by editor(s):
October 18, 1999

Received by editor(s) in revised form:
January 22, 2000

Published electronically:
February 9, 2001

Additional Notes:
This work is partially supported by the Kort Foundation and the Emmy Noether Research Institute for Mathematics. This research is also supported by NSFOY, the 973 Project Foundation and the Doctoral Program Foundation of EMC

Communicated by:
Wolmer V. Vasconcelos

Article copyright:
© Copyright 2001
American Mathematical Society