3 papers
math.RA2007
Baer and Mittag-Leffler modules over tame hereditary algebras
Lidia Angeleri-Hugel, Dolors Herbera, Jan Trlifaj
We develop a structure theory for two classes of infinite dimensional modules over tame hereditary algebras: the Baer modules, and the Mittag-Leffler ones.
math.LO2004
On the cogeneration of cotorsion pairs
Paul C. Eklof, Saharon Shelah, Jan Trlifaj
Let R be a Dedekind domain. Enochs' solution of the Flat Cover Conjecture was extended as follows: (*) If C is a cotorsion pair generated by a class of cotorsion modules, then C is…
math.LO2000
Spectra of the Gamma-invariant of uniform modules
Saharon Shelah, Jan Trlifaj
For a ring R, denote by Spec^R_kappa(Gamma) the kappa-spectrum of the Gamma-invariant of strongly uniform right R-modules. Recent realization techniques of Goodearl and Wehrung sho…