A new class of finitely generated polynomial subalgebras without finite SAGBI bases
A new class of finitely generated polynomial subalgebras without finite SAGBI bases
复制标题
一类新的无有限 SAGBI 基的有限生成多项式子代数
DOI:
10.1090/proc/16158
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发表时间:
2022
影响因子:
1
通讯作者:
Kuroda Shigeru
中科院分区:
文献类型:
--
作者:
中筋麻貴;Kuroda Shigeru;中筋麻貴,大野泰生;Kuroda Shigeru
The notion of initial ideal for an ideal of a polynomial ring appears in the theory of Gröbner basis. Similarly to the initial ideals, we can define the initial algebra for a subalgebra of a polynomial ring, or more generally of a Laurent polynomial ring, which is used in the theory of SAGBI (Subalgebra Analogue to Gröbner Bases for Ideals) basis. The initial algebra of a finitely generated subalgebra is not always finitely generated, and no general criterion for finite generation is known.
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