Approximation Theory and Elementary Submodels
S Cox - arXiv preprint arXiv:2405.19634, 2024 - arxiv.org
\emph {Approximation Theory} uses nicely-behaved subcategories to understand entire
categories, just as projective modules are used to approximate arbitrary modules in classical …
categories, just as projective modules are used to approximate arbitrary modules in classical …
Gorenstein projective precovers and finitely presented modules
S Estrada, A Iacob - Rocky Mountain Journal of Mathematics, 2024 - projecteuclid.org
The existence of the Gorenstein projective precovers over arbitrary rings is an open
question. It is known that if the ring has finite Gorenstein global dimension, then every …
question. It is known that if the ring has finite Gorenstein global dimension, then every …