Torsion-Free Ext

Autor: Ulrich Albrecht, Stefan Friedenberg
Rok vydání: 2016
Předmět:
Zdroj: Communications in Algebra. 44:3976-3988
ISSN: 1532-4125
0092-7872
DOI: 10.1080/00927872.2015.1095029
Popis: This article investigates homological properties of the class *B of Abelian groups A such that Ext(A, B) is torsion-free. In particular, subgroups and extensions of groups in *B are discussed.
Databáze: OpenAIRE