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Various Row Invariants on Cohen-Macaulay Rings
Various Row Invariants on Cohen-Macaulay Rings
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We define a numerical invariant rowi* (A) over Cohen-Macaulay local ring A , which is related to the presenting matrices of the j-th syzygy module (with or without free summands). We show that rowd (A)=row cm and rowd* (A) = row*cm(A) for aCohen-Macaulay local ring A of dimension d.
키워드
Row Invariants; Cohen-Macaulay Local Ring; Maximal Cohen-Macaulay Module; Free Summands
- 제목
- Various Row Invariants on Cohen-Macaulay Rings
- 제목 (타언어)
- Various Row Invariants on Cohen-Macaulay Rings
- 저자
- 이기석
- 발행일
- 2014-12
- 저널명
- 조선자연과학논문집
- 권
- 7
- 호
- 4
- 페이지
- 278 ~ 282