|
Integral closure of a cubic extension and applications
Author(s):
Sheng-Li
Tan
Journal:
Proc. Amer. Math. Soc.
129
(2001),
2553-2562.
MSC (2000):
Primary 13B22, 14F05, 14E20
Posted:
February 9, 2001
Retrieve article in:
PDF
This article is available free of charge
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.
References:
-
- [Ha1]
- Hartshorne, R., Algebraic Geometry, Graduate Texts in Math., vol. 52, Springer-Verlag, New York, 1997. MR 57:3116
- [Ha2]
- Hartshorne, R., Algebraic vector bundles on projective space: a problem list, Topology 18 (1979), 117-128. MR 81m:14014
- [Ha3]
- Hartshorne, R., Stable reflexive sheaves, Math. Ann. 254 (1980), 121-176. MR 82b:14011
- [Kap]
- Kaplansky, I., Commutative Algebra, W. A. Benjamin Inc., New York, 1970.
- [Lan]
- Lang, S., Old and new conjectured Diophantine inequalities, Bull. Amer. Math. Soc. (N.S.) 23 (2) (1990), 37-75. MR 90k:11032
- [Laz]
- Lazarsfeld, R., A Barth-type Theorem for branched coverings of projective space, Math. Ann. 249 (1980), 153-162. MR 81g:14007
- [Mir]
- Miranda, R., Triple covers in algebraic geometry, Amer. J. Math. 107 (1985), 1123-1158. MR 86k:14008
- [Qui]
- Quillen, D., Projective modules over polynomial rings, Invent. Math. 36 (1997), 167-171. MR 55:337
- [ShS]
- Shapiro, H. N. and Sparer, G. H., Minimal bases for cubic fields, Commun. Pure Appl. Math. 44 (1991), 1121-1136. MR 92f:11147
- [Sto]
- Stolzenberg, G., Constructive normalization of an algebraic variety, Bull. Amer. Math. Soc. 74 (1968), 595-599. MR 37:201
- [Sus]
- Suslin, A. A., Projective modules over a polynomial ring are free, Soviet Math. Dokl. 17 (1976), 1160-1164.
- [Ta1]
- Tan, S.-L., Cayley-Bacharach property of an algebraic variety and Fujita's conjecture, J. of Algebraic Geometry 9 (2) (2000), 201-222. CMP 2000:07
- [Ta2]
- Tan, S.-L., Triple coverings on smooth algebraic varieties, preprint 1999 (Bar-Ilan University).
- [TaV]
- Tan, S.-L. and Viehweg, E., A note on Cayley-Bacharach property for vector bundles, in: Complex Analysis and Algebraic Geometry (ed: T. Peternell, F.-O. Schreyer), de Gruyter (1999).
- [Vas]
- Vasconcelos, W. V., Computing the integral closure of an affine domain, Proc. Amer. Math. Soc. 113 (1991), 633-638. MR 92b:13013
Similar Articles:
Retrieve articles in Proceedings of the American Mathematical Society
with MSC
(2000):
13B22, 14F05, 14E20
Retrieve articles in all Journals with MSC
(2000):
13B22, 14F05, 14E20
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:
10.1090/S0002-9939-01-05902-0
PII:
S 0002-9939(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
Posted:
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
Copyright of article:
Copyright
2001,
American Mathematical Society
|