On the computation of the jdeg of blowup algebras

On the computation of the jdeg of blowup algebras
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DOI:
10.1016/j.jpaa.2009.12.022
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发表时间:
2010-10
影响因子:
0.8
通讯作者:
Thuy Huong Pham;W. Vasconcelos
Thuy Huong Pham;W. Vasconcelos
中科院分区:
数学2区
文献类型:
--
作者:
Thuy Huong Pham;W. Vasconcelos

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对于分次代数A,它的jdeg(A)是一个整体度,可以用来研究正规化A的复杂性问题。本文利用基于Rees代数理论的一些技巧来估计jdeg(A)。一个密切相关的概念,除数生成,被引入到计数的生成元的数量的A的。
For a graded algebra A, its jdeg(A) is a global degree that can be used to study issues of complexity of the normalization Ā. Here some techniques grounded on Rees algebra theory are used to estimate jdeg(A). A closely related notion, of divisorial generation, is introduced to count numbers of generators of Ā.