378 citations
- Universitat de ValènciaES19 papers
- Kyoto UniversityJP5 papers
- The Abdus Salam International Centre for Theoretical Physics (ICTP)IT5 papers
- Consejo Nacional de Investigaciones Científicas y TécnicasAR4 papers
- Instituto Superior TécnicoPT4 papers
- Technical University of MunichDE4 papers
- Universidad de Buenos AiresAR4 papers
- Forschungszentrum JülichDE3 papers
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Showing math.RAShow all
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math.RA2006
Bicyclic units, Bass cyclic units and free groups
Jairo Z. Goncalves, Angel del Rio
Let be a finite group and its integral group ring. We show that if is a non-trivial bicyclic unit of , then there are bicyclic units and of different t…
math.RA2004
Abelian exact subcategories closed under predecessors
Ibrahim Assem, Manuel Saorin
In the category of finitely generated modules over an artinian ring, we classify all the abelian exact subcategories closed under predecessors or, equivalently, all the split torsi…
math.RA2003
On semiprimary rings of finite global dimension
Manuel Saorin
Suppose that is a semiprimary ring satisfying one of the two conditions: 1) its Yoneda ring is generated in finite degrees; 2) its Loewy length is less or equal than three. We…