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20K15 Torsion-free groups, finite rank (29 articles)

• Arnold, David M.; Mader, Adolf; Mutzbauer, Otto; Solak, Ebru: Indecomposable (1,3)-groups and a matrix problem. (English). Czechoslovak Mathematical Journal, vol. 63 (2013), issue 2, pp. 307-355
• Aghdam, A. M.; Karimi, F.; Najafizadeh, A.: On the subgroups of completely decomposable torsion-free groups that are ideals in every ring. (English). Archivum Mathematicum, vol. 48 (2012), issue 2, pp. 107-112
• De Vivo, Clorinda; Metelli, Claudia: On Butler $B(2)$-groups decomposing over two base elements. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 50 (2009), issue 2, pp. 165-179
• Danchev, P. V.: On countable extensions of primary abelian groups. (English). Archivum Mathematicum, vol. 43 (2007), issue 1, pp. 61-66
• De Vivo, Clorinda; Metelli, Claudia: On direct sums of $\text{B}^{(1)}$-groups -- II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 47 (2006), issue 2, pp. 189-202
• Albrecht, Ulrich; Giovannitti, Tony; Goeters, Pat: A class of torsion-free abelian groups characterized by the ranks of their socles. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 2, pp. 319-327
• Fuchs, L.; Viljoen, G.: Valuated Butler groups of special type. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 3, pp. 507-516
• Goeters, H. Pat; Ullery, William: Quasi-balanced torsion-free groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 3, pp. 431-443
• Müller, Edgar; Mutzbauer, Otto: Schichtengleiche Gewichte und Butlergruppen. (German) [Groups with equal layers and Butler groups]. Czechoslovak Mathematical Journal, vol. 47 (1997), issue 2, pp. 193-204
• Albrecht, U.; Faticoni, T.; Goeters, H. P.: A note on coflat abelian groups. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 3, pp. 431-442
• Bican, Ladislav; Fuchs, Laszlo: On abelian groups by which balanced extensions of a rational group split. II. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 4, pp. 649-660
• Metelli, Claudia: On direct sums of $\Cal B^{(1)}$-groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 3, pp. 587-591
• Müller, Edgar; Mutzbauer, Otto: Regularität in torsionsfreien abelschen Gruppen. (German) [Regularity in torsion-free abelian groups]. Czechoslovak Mathematical Journal, vol. 42 (1992), issue 2, pp. 279-288
• Goeters, H. Pat; Ullery, William: Butler groups and lattices of types. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 4, pp. 613-619
• Giovannitti, Anthony; Goeters, H. Pat; Metelli, Claudia: Cobalanced exact sequences. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 4, pp. 637-641
• Albrecht, Ulrich F.; Hill, Paul: Butler groups of infinite rank and axiom 3. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 293-309
• Bican, Ladislav: A note on factor-splitting Abelian groups of rank two. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 3, pp. 569-578
• Jackett, David R.: The nil-degree of a torsion-free Abelian group. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 2, pp. 393-406
• Bican, Ladislav: Purely finitely generated Abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 2, pp. 209-218
• Mutzbauer, Otto: Zerlegbarkeitskriterien für Invarianten torsionsfreier abelscher Gruppen des Ranges 2. (German) [Decomposability criteria for invariants of torsion free abelian groups of rank 2]. Czechoslovak Mathematical Journal, vol. 29 (1979), issue 3, pp. 337-339
• Bican, Ladislav: Factor-splitting Abelian groups of arbitrary rank. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 4, pp. 653-672
• Benabdallah, Khalid; Bradley, Robert: Sur les groupes quasi-purs-projectifs sans torsion. (French) [On quasi-pure-projective groups without torsion]. Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 1, pp. 93-100
• Stratton, A. E.; Webb, M. C.: The nilpotency of torsion-free rings with given type set. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 3, pp. 437-444
• Bican, Ladislav: The splitting length of mixed Abelian groups of rank one. (English). Czechoslovak Mathematical Journal, vol. 27 (1977), issue 1, pp. 144-154
• Bican, Ladislav: Factor-splitting Abelian groups of finite rank. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 3, pp. 473-480
• Gardner, Barry J.; Jackett, David R.: Rings on certain classes of torsion-free Abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 3, pp. 493-506
• Bican, Ladislav: Splitting of pure subgroups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 2, pp. 241-249
• Gardner, Barry J.: Rings on completely decomposable torsion-free Abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 3, pp. 381-392
• Procházka, Ladislav: Concerning almost divisible torsion free abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 12 (1971), issue 1, pp. 23-31