Auslander class;
Bass class;
Cohen-Macaulay module;
cohomological dimension;
derived category;
dualizing module;
Gorenstein module;
local cohomology;
semidualizing module;
system of parameters;
MODULES;
DUALITY;
D O I:
10.1007/s10474-024-01391-5
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
Let R be a commutative Noetherian ring and I a proper ideal of R. In this paper, we study finitely generated R-modules M with only one non-vanishing local cohomology module HIc(M)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${H}_I<^>c(M)$$\end{document} where c=cd(I,M)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$c=cd(I,M)$$\end{document}. Let C be a semidualizing R-module. We investigate the conditions under which HIc(M)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${H}_I<^>c(M)$$\end{document} belongs to either the Auslander class AC(R)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathscr{A}_C(R)$$\end{document} or the Bass class BC(R)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathscr{B}_C(R)$$\end{document}.
机构:
Clemson Univ, Sch Math & Stat Sci, O-110 Martin Hall,Box 340975, Clemson, SC 29634 USAClemson Univ, Sch Math & Stat Sci, O-110 Martin Hall,Box 340975, Clemson, SC 29634 USA
Sather-Wagstaff, Sean K.
Wicklein, Richard
论文数: 0引用数: 0
h-index: 0
机构:
Dakota State Univ, Coll Arts & Sci, 820 N Washington Ave, Madison, SD 57042 USAClemson Univ, Sch Math & Stat Sci, O-110 Martin Hall,Box 340975, Clemson, SC 29634 USA