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A family of reflexive vector bundles of reduction number one

Authors :
Miranda-Neto, Cleto B.
Miranda-Neto, Cleto B.
Source :
MATHEMATICA SCANDINAVICA; Årg. 124 Nr. 2 (2019); 188-202; MATHEMATICA SCANDINAVICA; Vol. 124 No. 2 (2019); 188-202; 1903-1807; 0025-5521
Publication Year :
2019

Abstract

A difficult issue in modern commutative algebra asks for examples of modules (more interestingly, reflexive vector bundles) having prescribed reduction number $r\geq 1$. The problem is even subtler if in addition we are interested in good properties for the Rees algebra. In this note we consider the case $r=1$. Precisely, we show that the module of logarithmic vector fields of the Fermat divisor of any degree in projective $3$-space is a reflexive vector bundle of reduction number $1$ and Gorenstein Rees ring.

Details

Database :
OAIster
Journal :
MATHEMATICA SCANDINAVICA; Årg. 124 Nr. 2 (2019); 188-202; MATHEMATICA SCANDINAVICA; Vol. 124 No. 2 (2019); 188-202; 1903-1807; 0025-5521
Notes :
application/pdf, MATHEMATICA SCANDINAVICA; Årg. 124 Nr. 2 (2019); 188-202, English
Publication Type :
Electronic Resource
Accession number :
edsoai.on1426754356
Document Type :
Electronic Resource