Nearly Gorenstein local rings defined by maximal minors of a $$2 \times n$$ matrix

Abstract We investigate the nearly Gorenstein property of a local ring defined by the maximal minors of a specific $$2 \times n$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mn>2</mml:mn> <mml:mo>×</mml:mo> <mml:mi>n</mml:mi> </mml:mrow> </mml:math> matrix with entries in the formal power series ring $$k[[X_1, X_2, \ldots , X_n]]$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>k</mml:mi> <mml:mo>[</mml:mo> <mml:mrow> <mml:mo>[</mml:mo> <mml:msub> <mml:mi>X</mml:mi> <mml:mn>1</mml:mn> </mml:msub> <mml:mo>,</mml:mo> <mml:msub> <mml:mi>X</mml:mi> <mml:mn>2</mml:mn> </mml:msub> <mml:mo>,</mml:mo> <mml:mo>…</mml:mo> <mml:mo>,</mml:mo> <mml:msub> <mml:mi>X</mml:mi> <mml:mi>n</mml:mi> </mml:msub> <mml:mo>]</mml:mo> </mml:mrow> <mml:mo>]</mml:mo> </mml:mrow> </mml:math> over a field k . Our findings allow us to present numerous concrete examples, such as nearly Gorenstein rings that are not almost Gorenstein and vice versa.

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Publication Details

Journal
Semigroup Forum
Published
2025-02-24
DOI
https://doi.org/10.1007/s00233-025-10508-3
Citations
1
Primary Topic
Commutative Algebra and Its Applications
Type
article
Field-Weighted Citation Impact
5.38

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article

Nearly Gorenstein local rings defined by maximal minors of a $$2 \times n$$ matrix

Naoyuki Matsuoka, Taiga Nakashima, Shinya Kumashiro
1 citations
Semigroup Forum
Commutative Algebra and Its Applications
5.38
article

Nearly Gorenstein local rings defined by maximal minors of a $$2 \times n$$ matrix

Naoyuki Matsuoka, Taiga Nakashima, Shinya Kumashiro
article en
1 citations

Abstract

Abstract We investigate the nearly Gorenstein property of a local ring defined by the maximal minors of a specific $$2 \times n$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mn>2</mml:mn> <mml:mo>×</mml:mo> <mml:mi>n</mml:mi> </mml:mrow> </mml:math> matrix with entries in the formal power series ring $$k[[X_1, X_2, \ldots , X_n]]$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>k</mml:mi> <mml:mo>[</mml:mo> <mml:mrow> <mml:mo>[</mml:mo> <mml:msub> <mml:mi>X</mml:mi> <mml:mn>1</mml:mn> </mml:msub> <mml:mo>,</mml:mo> <mml:msub> <mml:mi>X</mml:mi> <mml:mn>2</mml:mn> </mml:msub> <mml:mo>,</mml:mo> <mml:mo>…</mml:mo> <mml:mo>,</mml:mo> <mml:msub> <mml:mi>X</mml:mi> <mml:mi>n</mml:mi> </mml:msub> <mml:mo>]</mml:mo> </mml:mrow> <mml:mo>]</mml:mo> </mml:mrow> </mml:math> over a field k . Our findings allow us to present numerous concrete examples, such as nearly Gorenstein rings that are not almost Gorenstein and vice versa.

Semigroup ForumVol. 110(2)
Meiji University (JP), Osaka Institute of Technology (JP)
Meiji University
Openalex Percentile: Top 10%
Commutative Algebra and Its Applications
5.38
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