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20K20 Torsion-free groups, infinite rank (34 articles)

• Dvořák, Josef; Žemlička, Jan: Self-small products of abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 63 (2022), issue 2, pp. 145-157
• Danchev, Peter: $G$-nilpotent units of commutative group rings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 53 (2012), issue 2, pp. 179-187
• Danchev, Peter: Basic subgroups in modular abelian group algebras. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 1, pp. 173-182
• Danchev, Peter V.: Basic subgroups in commutative modular group rings. (English). Mathematica Bohemica, vol. 129 (2004), issue 1, pp. 79-90
• Danchev, Peter: Commutative modular group algebras of $p$-mixed and $p$-splitting abelian $\Sigma$-groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 3, pp. 419-428
• Bican, Ladislav: Pure subgroups. (English). Mathematica Bohemica, vol. 126 (2001), issue 3, pp. 649-652
• Bican, Ladislav: Almost Butler groups. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 2, pp. 367-378
• Albrecht, Ulrich; Jeong, Jong-Woo: Homomorphisms between $A$-projective Abelian groups and left Kasch-rings. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 1, pp. 31-43
• Bican, Ladislav: Butler groups and Shelah's Singular Compactness. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 1, pp. 171-178
• Bican, Ladislav: Butler groups of infinite rank. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 1, pp. 67-79
• Albrecht, Ulrich: The construction of $A$-solvable Abelian groups. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 3, pp. 413-430
• 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
• Rangaswamy, K. M.: A property of $B_2$-groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 4, pp. 627-631
• Göbel, R.; Goldsmith, B.: Cotorsion-free algebras as endomorphism algebras in $L$ - the discrete and topological cases. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 1, pp. 1-9
• Bican, Ladislav: On a class of locally Butler groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 4, pp. 597-600
• Giovannitti, Anthony; Goeters, H. Pat; Metelli, Claudia: Cobalanced exact sequences. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 4, pp. 637-641
• Salce, Luigi: On a generalization of a Prüfer-Kaplansky-Procházka theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 4, pp. 643-645
• Hora, Jaroslav: On a class of torsionfree Abelian groups [Abstract of thesis]. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 1, pp. 197-198
• 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
• Kříž, Igor: Iterated countable products and sums of the infinite cyclic group. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 3, pp. 491-497
• Bican, Ladislav; Hora, Jaroslav: On a class of locally completely decomposable Abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 2, pp. 307-323
• O'Neill, John D.: On summands of direct products of Abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 3, pp. 407-413
• 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
• Procházka, Ladislav: A note on $p$-adic completion of torsion-free abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 4, pp. 795-803
• Procházka, Ladislav: Tensor product and quasi-splitting of Abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 1, pp. 55-69
• Bican, Ladislav: Pure subgroups split. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 2, pp. 283-292
• 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
• 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: Completely decomposable abelian groups any regular subgroup of which is completely decomposable. (English). Czechoslovak Mathematical Journal, vol. 25 (1975), issue 1, pp. 71-75
• Bican, Ladislav: Completely decomposable abelian groups any pure subgroup of which is completely decomposable. (English). Czechoslovak Mathematical Journal, vol. 24 (1974), issue 2, pp. 176-191
• Procházka, Ladislav: A consequence of a theorem of L. Fuchs. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 1, pp. 177-179
• Procházka, Ladislav: Concerning almost divisible torsion free abelian groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 12 (1971), issue 1, pp. 23-31