Publications Meetings The Profession Membership Programs Math Samplings Policy & Advocacy In the News About the AMS
|
   
Available in electronic format
Available in print format
Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(e) ISSN 0002-9939(p)

     

Constructing big indecomposable modules

Author(s): Andrew Crabbe; Janet Striuli
Journal: Proc. Amer. Math. Soc. 137 (2009), 2181-2189.
MSC (2000): Primary 13H10, 13C14, 13E05
Posted: January 26, 2009
MathSciNet review: 2495250
Retrieve article in: PDF

Abstract | References | Similar articles | Additional information

Abstract: Let $ R$ be local Noetherian ring of depth at least two. We prove that there are indecomposable $ R$-modules which are free on the punctured spectrum of constant, arbitrarily large, rank.


References:

1.
Maurice Auslander, Finite type implies isolated singularity, Orders and their applications, Lecture Notes in Math., vol. 1142, Springer, Berlin, 1985. MR 812487

2.
Winfried Bruns and Jürgen Herzog, Cohen-Macaulay rings, Cambridge Studies in Advanced Mathematics, vol. 39, Cambridge University Press, Cambridge, 1993. MR 1251956

3.
R.-O. Buchweitz, G.-M. Greuel and F.-O. Schreyer, Cohen-Macaulay modules on hypersurface singularities. II, Invent. Math. 88 (1987), no. 1, 165-182. MR 0877011 (88d:14005)

4.
Andrew Crabbe, Daniel Katz, Janet Striuli, and Emanoil Theodorescu, Hilbert polynomials for the controvarient functor, preprint (2007).

5.
David Eisenbud, Commutative algebra with a view toward algebraic geometry, Graduate Texts in Mathematics, vol. 150, Springer-Verlag, New York, 1995. MR 97a:13001

6.
Anders J. Frankild, Sean Sather-Wagstaff, and Roger Wiegand, Ascent of module structures, vanishing of ext, and extended modules, Mich. J. Math., to appear.

7.
W. Hassler, R. Karr, L. Klingler, and R. Wiegand, Large indecomposable modules over local rings, J. Algebra 303 (2006), no. 1, 202-215. MR 2253659

8.
Wolfgang Hassler, Ryan Karr, Lee Klingler, and Roger Wiegand, Big indecomposable modules and direct-sum relations, Illinois J. Math. 51 (2007), no. 1, 99-122 (electronic). MR 2346189

9.
-, Indecomposable modules of large rank over Cohen-Macaulay local rings, Trans. Amer. Math. Soc. 360 (2008), no. 3, 1391-1406 (electronic). MR 2357700

10.
Wolfgang Hassler and Roger Wiegand, Big indecomposable mixed modules over hypersurface singularities, Abelian groups, rings, modules, and homological algebra, Lect. Notes Pure Appl. Math., vol. 249, Chapman & Hall/CRC, Boca Raton, FL, 2006, pp. 159-174. MR 2229110 (2007h:13018)

11.
Thomas W. Hungerford, Algebra, Graduate Texts in Mathematics, vol. 73, Springer-Verlag, New York, 1980, reprint of the 1974 original. MR 600654

12.
Daniel Katz and Emanoil Theodorescu, On the degree of Hilbert polynomials associated to the torsion functor, Proc. Amer. Math. Soc. 135 (2007), 3073-3082. MR 2322736 (2008f:13021)

13.
Lee Klingler and Lawrence S. Levy, Representation type of commutative Noetherian rings. I. Local wildness, Pacific J. Math. 200 (2001), no. 2, 345-386. MR 1868696

14.
-, Representation type of commutative Noetherian rings. II. Local tameness, Pacific J. Math. 200 (2001), no. 2, 387-483. MR 1868697

15.
-, Representation type of commutative Noetherian rings. III. Global wildness and tameness, Mem. Amer. Math. Soc. 176 (2005), no. 832, viii+170. MR 2147090

16.
Vijay Kodiyalam, Homological invariants of powers of an ideal, Proc. Amer. Math. Soc. 118 (1993), no. 3, 757-764. MR 1156471

17.
Saunders Mac Lane, Homology, Classics in Mathematics, Springer-Verlag, Berlin, 1995, reprint of the 1975 edition. MR 96d:18001

18.
Joseph J. Rotman, An introduction to homological algebra, Pure and Applied Mathematics, vol. 85, Academic Press Inc. [Harcourt Brace Jovanovich Publishers], New York, 1979. MR 538169


Similar Articles:

Retrieve articles in Proceedings of the American Mathematical Society with MSC (2000): 13H10, 13C14, 13E05

Retrieve articles in all Journals with MSC (2000): 13H10, 13C14, 13E05


Additional Information:

Andrew Crabbe
Affiliation: Department of Mathematics, University of Nebraska, Lincoln, Nebraska 68588
Address at time of publication: Department of Mathematics, Syracuse University, Syracuse, New York 13210
Email: amcrabbe@syr.edu

Janet Striuli
Affiliation: Department of Mathematics, University of Nebraska, Lincoln, Nebraska 68588
Address at time of publication: Department of Mathematics, Fairfield University, Fairfield, Connecticut 06824
Email: jstriuli@mail.fairfield.edu

DOI: 10.1090/S0002-9939-09-09760-3
PII: S 0002-9939(09)09760-3
Keywords: Indecomposable modules, maximal Cohen-Macaulay modules, rank
Received by editor(s): May 8, 2008,
Received by editor(s) in revised form: August 29, 2008
Posted: January 26, 2009
Additional Notes: The second author was partially supported by NSF grant DMS 0201904
Communicated by: Bernd Ulrich
Copyright of article: Copyright 2009, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.




AMS and Social Media LinkedIn Facebook Podcasts Twitter YouTube RSS Feeds Blogs Wikipedia