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Shapes of free resolutions over a local ring

✍ Scribed by Christine Berkesch, Daniel Erman, Manoj Kummini, Steven V. Sam


Book ID
120748164
Publisher
Springer
Year
2011
Tongue
English
Weight
320 KB
Volume
354
Category
Article
ISSN
0025-5831

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πŸ“œ SIMILAR VOLUMES


Free resolutions over short local rings
✍ Avramov, L. L.; Iyengar, S. B.; Sega, L. M. πŸ“‚ Article πŸ“… 2008 πŸ› Oxford University Press 🌐 English βš– 279 KB
Free Resolutions and Change of Rings
✍ Srikanth Iyengar πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 270 KB

Projective resolutions of modules over a ring R are constructed starting from appropriate projective resolutions over a ring Q mapping to R. It is shown that such resolutions may be chosen to be minimal in codimension F 2, but not in codimension 3. This is used to obtain minimal resolutions for esse