# Cobalanced exact sequences

Anthony Giovannitti; H. Pat Goeters; Claudia Metelli

Commentationes Mathematicae Universitatis Carolinae (1989)

- Volume: 030, Issue: 4, page 637-641
- ISSN: 0010-2628

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topGiovannitti, Anthony, Goeters, H. Pat, and Metelli, Claudia. "Cobalanced exact sequences." Commentationes Mathematicae Universitatis Carolinae 030.4 (1989): 637-641. <http://eudml.org/doc/17774>.

@article{Giovannitti1989,

author = {Giovannitti, Anthony, Goeters, H. Pat, Metelli, Claudia},

journal = {Commentationes Mathematicae Universitatis Carolinae},

keywords = {torsion-free finite rank group; Butler group; finite rank completely decomposable group; balanced sequence; split exact sequence; torsion-free groups; cobalanced sequence; pure subgroup; locally completely decomposable},

language = {eng},

number = {4},

pages = {637-641},

publisher = {Charles University in Prague, Faculty of Mathematics and Physics},

title = {Cobalanced exact sequences},

url = {http://eudml.org/doc/17774},

volume = {030},

year = {1989},

}

TY - JOUR

AU - Giovannitti, Anthony

AU - Goeters, H. Pat

AU - Metelli, Claudia

TI - Cobalanced exact sequences

JO - Commentationes Mathematicae Universitatis Carolinae

PY - 1989

PB - Charles University in Prague, Faculty of Mathematics and Physics

VL - 030

IS - 4

SP - 637

EP - 641

LA - eng

KW - torsion-free finite rank group; Butler group; finite rank completely decomposable group; balanced sequence; split exact sequence; torsion-free groups; cobalanced sequence; pure subgroup; locally completely decomposable

UR - http://eudml.org/doc/17774

ER -

## References

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- Goeters H. P., When is Ext (A, B) torsion-free? And related problems, Comm. in Algebra 16 (1988), 1605-1619. (1988) Zbl0653.20055MR0949259
- Lee Wu-Yen, Corepreseniing graphs for a class of torsion-free abelian groups, Dissertation, New Mexico State University, 1986. (1986)
- O'Neill J. D., Direct summands of direct products of slender modules, Pac. J. of Math. 117 (1985), 379-385. (1985) Zbl0578.13009MR0779927
- Vinsonhaler C., Wickless W. J., Projective and injeciive classes of completely decomposable group, Abelian Group Theory Proceedings, Honolulu 1982/83, Lecture Notes 1006, Springer-Verlag, New York, pp. 144-163. (1982) MR0722615
- Walker C. P., Relative homological algebra and abelian groups, III, J. of Math. 10 (1966), 186-209. (1966) MR0190210

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