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What is Classification of Split Torsion Torsionfree Triples in Module Categories about?

A TTF-triple $(\mathcal{C},\mathcal{T},\mathcal{F})$ in an abelian category is called 'one-sided split' in case either $(\mathcal{C},\mathcal{T})$ or $(\mathcal{T},\mathcal{F})$ is a split torsion theory. In this paper we classify one-sided split TTF-triples in module categories, thus completing Jans' classification of two-sided split TTF-triples and answering a question that has remained open for almost forty years.

Author

Nicolas, Pedro; Saorin, Manuel

Published

2005

Language

EN