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06F15 Ordered groups (232 articles)

• Lafuente-Rodriguez, Ramiro; McGovern, Warren Wm.: When ${\rm Min}(G)^{-1}$ has a clopen $\pi $-base. (English). Mathematica Bohemica, vol. 146 (2021), issue 1, pp. 69-89
• Hong, Liang: Locally solid topological lattice-ordered groups. (English). Archivum Mathematicum, vol. 51 (2015), issue 2, pp. 107-128
• Barbieri, Giuseppina; Valente, Antonietta; Weber, Hans: Decomposition of $\ell $-group-valued measures. (English). Czechoslovak Mathematical Journal, vol. 62 (2012), issue 4, pp. 1085-1100
• Jakubík, Ján: On the Schröder-Bernstein problem for Carathéodory vector lattices. (English). Czechoslovak Mathematical Journal, vol. 59 (2009), issue 2, pp. 419-430
• Jakubík, Ján: Affine completeness and wreath product decompositions of lattice ordered group. (English). Czechoslovak Mathematical Journal, vol. 58 (2008), issue 3, pp. 717-723
• Jakubík, Ján: Direct summands and retract mappings of generalized $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 58 (2008), issue 1, pp. 183-202
• Emanovský, P.; Rachůnek, J.: A non commutative generalization of $\star$-autonomous lattices. (English). Czechoslovak Mathematical Journal, vol. 58 (2008), issue 3, pp. 725-740
• Jakubík, Ján: Banaschewski’s theorem for generalized $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 4, pp. 1099-1105
• Lafuente-Rodríguez, Ramiro H.: Divisibility in certain automorphism groups. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 3, pp. 865-875
• Jasem, Milan: Isometries and direct decompositions of pseudo MV-algebras. (English). Mathematica Slovaca, vol. 57 (2007), issue 2, pp. [107]-118
• Jakubík, Ján: On a cancellation rule for subdirect products of lattice ordered groups and of $\operatorname {GMV}$-algebras. (English). Mathematica Slovaca, vol. 57 (2007), issue 3, pp. [201]-210
• Vrábelová, Marta: On the extension of subadditive measures in lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 1, pp. 95-103
• Jakubík, Ján: Weak homogeneity of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 3, pp. 849-863
• Černák, Štefan: Convergence with a fixed regulator in Archimedean lattice ordered groups. (English). Mathematica Slovaca, vol. 56 (2006), issue 2, pp. 167-180
• Jakubík, Ján: Convergences on lattice ordered groups with a finite number of disjoint elements. (English). Mathematica Slovaca, vol. 56 (2006), issue 3, pp. 289-299
• Martínez, Jorge: Dimension in algebraic frames. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 2, pp. 437-474
• Pulmannová, Sylvia: Extensions of partially ordered partial abelian monoids. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 1, pp. 155-178
• Jakubík, Ján: On monotone permutations of $\ell$-cyclically ordered sets. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 2, pp. 403-415
• Jakubík, Ján: Sequential convergences on pseudo MV-algebras. (English). Mathematica Slovaca, vol. 56 (2006), issue 5, pp. 501-510
• Jakubík, Ján: Subdirect decompositions and the radical of a generalized Boolean algebra extension of a lattice ordered group. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 2, pp. 733-754
• Jakubík, Ján: Direct product decompositions of pseudo effect algebras. (English). Mathematica Slovaca, vol. 55 (2005), issue 4, pp. 379-398
• Rachůnek, Jiří; Šalounová, Dana: Direct product factors in GMV-algebras. (English). Mathematica Slovaca, vol. 55 (2005), issue 4, pp. 399-407
• Giraldes, E.; Marques-Smith, P.; Mitsch, H.: Generalized $F$-semigroups. (English). Mathematica Bohemica, vol. 130 (2005), issue 2, pp. 203-220
• Jakubík, Ján: Generalized cardinal properties of lattices and lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 4, pp. 1035-1053
• Rachůnek, Jiří; Šalounová, Dana: Lexicographic extensions of dually residuated lattice ordered monoids. (English). Mathematica Bohemica, vol. 129 (2004), issue 3, pp. 283-295
• Jasem, Milan: On intrinsic quasimetrics preserving maps on non-abelian partially ordered groups. (English). Mathematica Slovaca, vol. 54 (2004), issue 3, pp. 225-228
• Jakubík, Ján: On some interpolation rules for lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 2, pp. 499-507
• Jakubík, Ján: On the affine completeness of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 2, pp. 423-429
• Jakubík, Ján: Maximal completion of a pseudo MV-algebra. (English). Archivum Mathematicum, vol. 39 (2003), issue 2, pp. 141-161
• Rachůnek, Jiří; Šalounová, Dana: Non-transitive generalizations of subdirect products of linearly ordered rings. (English). Czechoslovak Mathematical Journal, vol. 53 (2003), issue 3, pp. 591-603
• Jakubík, Ján: On varieties of pseudo $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 53 (2003), issue 4, pp. 1031-1040
• Jakubík, Ján: Projectability and splitting property of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 53 (2003), issue 4, pp. 907-915
• Rachůnek, Jiří: Radicals and complete distributivity in relatively normal lattices. (English). Mathematica Bohemica, vol. 128 (2003), issue 4, pp. 401-410
• Gaitán, Hernando: Subdirectly irreducible MV-algebras. (English). Czechoslovak Mathematical Journal, vol. 53 (2003), issue 3, pp. 631-639
• Kontolatou, A.: The Cauchy extension of an ordered abelian group realized by $r$-valuations. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 10 (2002), issue 1, pp. 61-69
• Jakubík, Ján: Completely subdirect products of directed sets. (English). Mathematica Bohemica, vol. 127 (2002), issue 1, pp. 71-81
• Rachůnek, Jiří: A non-commutative generalization of $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 2, pp. 255-273
• Jakubík, Ján: On half cyclically ordered groups. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 2, pp. 275-294
• Jakubík, Ján: On orthogonally $\sigma$-complete lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 4, pp. 881-888
• Rachůnek, Jiří: Radicals in non-commutative generalizations of MV-algebras. (English). Mathematica Slovaca, vol. 52 (2002), issue 2, pp. 135-144
• Dvurečenskij, Anatolij: States on unital partially-ordered groups. (English). Kybernetika, vol. 38 (2002), issue 3, pp. [297]-318
• Močkoř, Jiří: Topological characterizations of ordered groups with quasi-divisor theory. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 3, pp. 595-607
• Jakubík, Ján: Torsion classes of Specker lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 3, pp. 469-482
• Georgescu, George; Ploščica, Miroslav: Values and minimal spectrum of an algebraic lattice. (English). Mathematica Slovaca, vol. 52 (2002), issue 3, pp. 247-253
• Jakubík, Ján: Complete distributivity of lattice ordered groups and of vector lattices. (English). Czechoslovak Mathematical Journal, vol. 51 (2001), issue 4, pp. 889-896
• Rachůnek, Jiří: Connections between ideals of non-commutative generalizations of $MV$-algebras and ideals of their underlying lattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 40 (2001), issue 1, pp. 195-200
• Jakubík, Ján: Distinguished completion of a direct product of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 51 (2001), issue 3, pp. 661-671
• Pulmannová, Sylvia: Divisible effect algebras and interval effect algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 2, pp. 219-236
• Steinberg, Stuart A.: Finitely valued $f$-modules, an addendum. (English). Czechoslovak Mathematical Journal, vol. 51 (2001), issue 2, pp. 387-394
• Demko, Milan: Lexicographic product decompositions of partially ordered quasigroups. (English). Mathematica Slovaca, vol. 51 (2001), issue 1, pp. 13-24
• Jakubík, Ján: Lexicographic products of half linearly ordered groups. (English). Czechoslovak Mathematical Journal, vol. 51 (2001), issue 1, pp. 127-138
• Jakubík, Ján: On iterated limits of subsets of a convergence $\ell $-group. (English). Mathematica Bohemica, vol. 126 (2001), issue 1, pp. 53-61
• Jakubík, Ján: Regular representations of semisimple MV-algebras by continuous real functions. (English). Mathematica Slovaca, vol. 51 (2001), issue 3, pp. 269-274
• Conrad, Paul F.; Darnel, Michael R.: Subgroups and hulls of Specker lattice-ordered groups. (English). Czechoslovak Mathematical Journal, vol. 51 (2001), issue 2, pp. 395-413
• Zhang, Y.; Wang, Y.: Uniquely covered radical classes of $\ell$-groups. (English). Czechoslovak Mathematical Journal, vol. 51 (2001), issue 3, pp. 473-476
• Jakubík, Ján: Weak $\sigma $-distributivity of lattice ordered groups. (English). Mathematica Bohemica, vol. 126 (2001), issue 1, pp. 151-159
• Močkoř, Jiří: Construction of $po$-groups with quasi-divisors theory. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 1, pp. 197-207
• Jakubík, Ján: Convexities of normal valued lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 3, pp. 641-649
• Šmarda, Bohumil: Inner product in $l$-groups. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 8 (2000), issue 1, pp. 89-95
• Jakubík, Ján: Lateral completion of a projectable lattice ordered group. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 2, pp. 431-444
• Jakubík, Ján; Černák, Štefan: On convex linearly ordered subgroups of an $h\ell $-group. (English). Mathematica Slovaca, vol. 50 (2000), issue 2, pp. 127-133
• Jakubík, Ján: On cut completions of abelian lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 3, pp. 587-602
• Rachůnek, Jiří: Semilinearly and semilattice right ordered groups. (English). Mathematica Slovaca, vol. 50 (2000), issue 1, pp. 25-30
• Kalapodi, A.; Kontolatou, A.; Močkoř, J.: Some properties of Lorenzen ideal systems. (English). Archivum Mathematicum, vol. 36 (2000), issue 4, pp. 287-295
• Kalapodi, Aleka; Kontolatou, Angeliki: The theory of quasi-divisors on cartesian products. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 8 (2000), issue 1, pp. 51-59
• Ton, Dao-Rong: Torsion classes and torsion prime selectors of $hl$-groups. (English). Mathematica Slovaca, vol. 50 (2000), issue 1, pp. 31-40
• Jakubík, Ján: Cantor-Bernstein theorem for $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 3, pp. 517-526
• Šmarda, Bohumil: Independence in $l$-groups. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 38 (1999), issue 1, pp. 139-147
• Černák, Štefan: Maximal Dedekind completion of a half lattice ordered group. (English). Mathematica Slovaca, vol. 49 (1999), issue 4, pp. 403-416
• Jakubík, Ján: Radical classes of $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 1, pp. 191-211
• Jakubík, Ján: Radical classes of complete lattice ordered groups. (English). Mathematica Slovaca, vol. 49 (1999), issue 4, pp. 417-424
• Zhu, Zuo-Tong,; Zhenyu, Huang: The structure of transitive ordered permutation groups. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 4, pp. 811-815
• Jakubík, Ján: Subdirect product decompositions of $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 1, pp. 163-173
• Giraudet, Michèle; Rachůnek, Jiří: Varieties of half lattice-ordered groups of monotonic permutations of chains. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 4, pp. 743-766
• Jakubík, Ján; Csontóová, Mária: Affine completness of projectable lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 2, pp. 359-363
• Černák, Štefan: Cantor extension of a half lattice ordered group. (English). Mathematica Slovaca, vol. 48 (1998), issue 3, pp. 221-231
• Jakubík, Ján: Lexicographic product decompositions of cyclically ordered groups. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 2, pp. 229-241
• Medvedev, N. Ya.; Morozova, S. V.: On covers in the lattice of representable $\ell$-varieties. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 4, pp. 821-831
• Rachůnek, Jiří: A weakly associative generalization of the variety of representable lattice ordered groups. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 37 (1998), issue 1, pp. 107-112
• Jakubík, Ján: Convergence $l$-groups with zero radical. (English). Mathematica Bohemica, vol. 122 (1997), issue 1, pp. 63-73
• Gurchenkov, Sergei A.: Every $l$-variety satisfying the amalgamation property is representable. (English). Mathematica Slovaca, vol. 47 (1997), issue 3, pp. 221-229
• Ton, Dao-Rong: The Galois connection between weak torsion and sub-product classes of $l$-groups. (English). Mathematica Slovaca, vol. 47 (1997), issue 5, pp. 511-516
• Jakubík, Ján: Lateral and Dedekind completions of strongly projectable lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 47 (1997), issue 3, pp. 511-523
• Jakubík, Ján: Convexities of lattice ordered groups. (English). Mathematica Bohemica, vol. 121 (1996), issue 1, pp. 59-67
• Chen, Yuanqian; Conrad, Paul; Darnel, Michael: Finite-valued subgroups of lattice-ordered groups. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 3, pp. 501-512
• Jasem, Milan: Isometries in non-abelian multilattice groups. (English). Mathematica Slovaca, vol. 46 (1996), issue 5, pp. 491-496
• Medvedev, Nikolaj Ja.: On automorphisms of the lattice of quasivarieties of lattice-ordered groups. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 35 (1996), issue 1, pp. 131-135
• Jakubík, Ján: On complete lattice ordered groups with strong units. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 2, pp. 221-230
• Jakubík, Ján: On half lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 4, pp. 745-767
• Rachůnek, Jiří: On some varieties of weakly associative lattice groups. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 2, pp. 231-240
• Černák, Štefan: On the maximal Dedekind completion of a half partially ordered group. (English). Mathematica Slovaca, vol. 46 (1996), issue 4, pp. 379-390
• Jakubík, Ján: Principal convergences on lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 4, pp. 721-732
• Močkoř, Jiří; Kontolatou, Angeliki: Some remarks on Lorenzen $r$-group of partly ordered groups. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 3, pp. 537-552
• Jakubík, Ján: Affine completeness of complete lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 3, pp. 571-576
• Černák, Štefan: Lexicographic products of cyclically ordered groups. (English). Mathematica Slovaca, vol. 45 (1995), issue 1, pp. 29-38
• Conrad, Paul; Martinez, Jorge: On adjoining units to hyper-archimedean $l$-groups. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 3, pp. 503-516
• Jakubík, Ján: On some completeness properties for lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 2, pp. 253-266
• Zhang, Yue Hui: On the Jakubík Problem on radical classes of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 2, pp. 347-349
• Černáková, Božena: Retracts of abelian multilattice groups. (English). Mathematica Slovaca, vol. 45 (1995), issue 4, pp. 353-358
• Rachůnek, Jiří: The semigroup of varieties of weakly associative lattice groups. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 34 (1995), issue 1, pp. 151-154
• Ton, Dao-Rong: Some properties of an archimedean $\ell$-group. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 2, pp. 293-302
• Zhang, Yue Hui: Unique covering on radical classes of $\ell$-groups. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 3, pp. 435-441
• Rachůnek, Jiří: Circular totally semi-ordered groups. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 33 (1994), issue 1, pp. 109-116
• Jakubík, Ján; Pringerová, Gabriela: Direct limits of cyclically ordered groups. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 2, pp. 231-250
• Jakubík, Ján: Direct product decomposition of $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 4, pp. 725-739
• Ton, Dao-Rong: Free $\ell $-groups and free products of $\ell $-groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 4, pp. 617-625
• Jakubík, Ján: On convexities of $d$-groups. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 2, pp. 305-314
• Jakubík, Ján: On extended cyclic orders. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 4, pp. 661-675
• Ton, Dao-Rong: The structure of a complete $l$-group. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 2, pp. 265-279
• Jasem, Milan: Weak isometries in directed groups. (English). Mathematica Slovaca, vol. 44 (1994), issue 1, pp. 39-43
• Ton, Dao-Rong: Atoms in lattice of radical classes of lattice-ordered groups. (English). Archivum Mathematicum, vol. 29 (1993), issue 2, pp. 221-226
• Jakubík, Ján: Complete retract mappings of a complete lattice ordered group. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 2, pp. 309-318
• Darnel, Michael R.: Cyclic extensions of the Medvedev ordered groups. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 2, pp. 193-204
• Gluschankof, Daniel: Cyclic ordered groups and MV-algebras. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 2, pp. 249-263
• Močkoř, Jiří; Kontolatou, Angeliki: Divisor class groups of ordered subgroups. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 1 (1993), issue 1, pp. 37-46
• Roll, J. Blair: Locally partially ordered groups. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 3, pp. 467-481
• Jakubík, Ján: On directed groups with additional operations. (English). Mathematica Bohemica, vol. 118 (1993), issue 1, pp. 11-17
• Jasem, Milan: On isometries in partially ordered groups. (English). Mathematica Slovaca, vol. 43 (1993), issue 1, pp. 21-29
• Gurchenkov, Sergei A.: About varieties of weakly abelian $\ell$-groups. (English). Mathematica Slovaca, vol. 42 (1992), issue 4, pp. 437-441
• Kolibiar, Milan: Convex lines in median groups. (English). Archivum Mathematicum, vol. 28 (1992), issue 1, pp. 67-75
• Kolibiar, Milan: Direct factors of multilattice groups. II. (English). Archivum Mathematicum, vol. 28 (1992), issue 1, pp. 83-84
• Medvedev, N. Ya.: Independent axiomatization of varieties of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 1, pp. 53-57
• Hollister, Herbert A.: An infinite collection of absolutely convex subgroups. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 2, pp. 311-312
• Martinez, Jorge: Locally conditioned radical classes of lattice-ordered groups. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 1, pp. 25-34
• Ton, Dao-Rong: Product radical classes of $\ell$-groups. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 1, pp. 129-142
• Jakubík, Ján: Sequential convergences in $\ell$-groups without Urysohn’s axiom. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 1, pp. 101-116
• Jakubík, Ján: Sequential convergences on free lattice ordered groups. (English). Mathematica Bohemica, vol. 117 (1992), issue 1, pp. 48-54
• Rachůnek, Jiří: Solid subgroups of weakly associative lattice groups. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 31 (1992), issue 1, pp. 13-24
• Jakubík, Ján: Completions and closures of cyclically ordered groups. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 1, pp. 160-169
• Rachůnek, Jiří: Convex directed subgroups of right ordered tree groups. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 1, pp. 99-103
• Lihová, Judita: Direct factors of directed groups. (English). Archivum Mathematicum, vol. 27 (1991), issue 2, pp. 221-227
• Jakubík, Ján: Lattice ordered groups with unique addition must be archimedean. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 3, pp. 559-563
• Jakubík, Ján: Mixed product decompositions of a directed group. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 3, pp. 429-435
• Černák, Štefan: On the completion of cyclically ordered groups. (English). Mathematica Slovaca, vol. 41 (1991), issue 1, pp. 41-49
• Medvedev, N.Ya.: Замечание по поводу статьи Габора Рeвeca. (Russian) [Remark on a note of Gabor Revesz]. Czechoslovak Mathematical Journal, vol. 41 (1991), issue 1, pp. 51
• Gurchenkov, Sergei A.: К трем вопросам теории $l$-многообразий. (Russian) [On three problems in the theory of $l$-varieties]. Czechoslovak Mathematical Journal, vol. 41 (1991), issue 3, pp. 405-410
• Jakubík, Ján: Cyclically ordered groups with unique addition. (English). Czechoslovak Mathematical Journal, vol. 40 (1990), issue 3, pp. 534-538
• Kolibiar, Milan: Direct factors of multilattice groups. (English). Archivum Mathematicum, vol. 26 (1990), issue 2, pp. 121-127
• Jakubík, Ján: On completions of linearly ordered groups. (English). Časopis pro pěstování matematiky, vol. 115 (1990), issue 3, pp. 278-282
• Jasem, Milan: On dilations and contractions in Riesz groups. (English). Časopis pro pěstování matematiky, vol. 115 (1990), issue 2, pp. 134-141
• Jakubík, Ján: On directed interpolation groups. (English). Czechoslovak Mathematical Journal, vol. 40 (1990), issue 4, pp. 648-658
• Jakubík, Ján: On disjoint subsets of a complete lattice ordered group. (English). Časopis pro pěstování matematiky, vol. 115 (1990), issue 2, pp. 165-170
• Jakubík, Ján: On lattice ordered groups having a unique addition. (English). Czechoslovak Mathematical Journal, vol. 40 (1990), issue 2, pp. 311-314
• Jakubík, Ján: On torsion classes generated by radical classes of lattice ordered groups. (English). Archivum Mathematicum, vol. 26 (1990), issue 2, pp. 115-119
• Jasem, Milan: On weak isometries in multilattice groups. (English). Mathematica Slovaca, vol. 40 (1990), issue 4, pp. 337-340
• Jakubík, Ján: Retract varieties of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 40 (1990), issue 1, pp. 104-112
• Ševečková, Jitka; Šik, František: Complete permutability of partitions in a set. I. (English). Archivum Mathematicum, vol. 25 (1989), issue 1, pp. 95-102
• Jakubík, Ján: Direct product decompositions of directed groups. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 4, pp. 618-621
• Jakubík, Ján: Lattice ordered groups having a largest convergence. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 4, pp. 717-729
• Jakubík, Ján: Lexicographic factors of a linearly ordered group. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 1, pp. 111-119
• Conrad, Paul F.; Martinez, Jorge: Locally finite conditions on lattice-ordered groups. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 3, pp. 432-444
• Harminc, Matúš; Jakubík, Ján: Maximal convergences and minimal proper convergences in $\ell$-groups. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 4, pp. 631-640
• Kolibiar, Milan: Median groups. (English). Archivum Mathematicum, vol. 25 (1989), issue 1, pp. 73-82
• Jakubík, Ján: On a radical class of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 4, pp. 641-643
• Jakubík, Ján: On some types of kernels of a convergence $l$-group. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 2, pp. 239-247
• Harminc, Matúš: Sequential convergences on lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 2, pp. 232-238
• Rachůnek, Jiří: Structure spaces of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 4, pp. 686-691
• Jakubík, Ján: Closure operators on the lattice of radical classes of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 38 (1988), issue 1, pp. 71-77
• Jakubík, Ján: Convergences and complete distributivity of lattice ordered groups. (English). Mathematica Slovaca, vol. 38 (1988), issue 3, pp. 269-272
• Helbig, Siegfried: On Carathéodory's and Krein-Milman's theorems in fully ordered groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 1, pp. 157-167
• Jakubík, Ján: On summability in convergence $l$-groups. (English). Časopis pro pěstování matematiky, vol. 113 (1988), issue 3, pp. 286-292
• Jakubík, Ján; Pringerová, Gabriela: Representations of cyclically ordered groups. (English). Časopis pro pěstování matematiky, vol. 113 (1988), issue 2, pp. 184-196
• Harminc, Matúš: Sequential convergences on cyclically ordered groups. (English). Mathematica Slovaca, vol. 38 (1988), issue 3, pp. 249-253
• Jakubík, Ján: Weak isometries of lattice ordered groups. (English). Mathematica Slovaca, vol. 38 (1988), issue 2, pp. 133-138
• Darnel, Michael R.: Closure operators on radical classes of lattice-ordered groups. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 1, pp. 51-64
• Černák, Štefan; Jakubík, Ján: Completion of a cyclically ordered group. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 1, pp. 157-174
• Veldsman, Stefan: A remark on radical-semisimple classes of fully ordered groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 2, pp. 217-219
• Révész, Gábor: A simple proof of Vinogradov's theorem on the orderability of the free product of $o$-groups. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 310-312
• Jakubík, Ján: Lexicographic product decompositions of a linearly ordered group. (English). Czechoslovak Mathematical Journal, vol. 36 (1986), issue 4, pp. 553-563
• Jakubík, Ján: Radical subgroups of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 36 (1986), issue 2, pp. 285-297
• Medvedev, Nikolai Ya.: $\ell$-многообразия без независимого базиса тождеств. II. (Russian) [$\ell$-varieties without independent basis of identities. II.]. Mathematica Slovaca, vol. 35 (1985), issue 4, pp. 377-380
• Wolfenstein, Samuel: Semi-projectable $\ell$-groups. (English). Czechoslovak Mathematical Journal, vol. 35 (1985), issue 3, pp. 385-390
• Šmarda, Bohumil: Topologies corresponding to metrics on $\ell$-groups. (English). Mathematica Slovaca, vol. 35 (1985), issue 2, pp. 185-193
• Glass, Andrew M. W.: A directed $d$-group that is not a group of divisibility. (English). Czechoslovak Mathematical Journal, vol. 34 (1984), issue 3, pp. 475-476
• Jakubík, Ján: Kernels of lattice ordered groups defined by properties of sequences. (English). Časopis pro pěstování matematiky, vol. 109 (1984), issue 3, pp. 290-298
• Jakubík, Ján: On isometries of lattices. (English). Mathematica Slovaca, vol. 34 (1984), issue 2, pp. 177-184
• Kenoyer, David: Recognizability in the lattice of convex $\ell$-subgroups of a lattice-ordered group. (English). Czechoslovak Mathematical Journal, vol. 34 (1984), issue 3, pp. 411-416
• Medvedev, N.Ya.: О решётке $o$-аппроксимируемых $\ell$-многообразий. (Russian) [On the lattice of $o$-approximable $\ell$-varieties]. Czechoslovak Mathematical Journal, vol. 34 (1984), issue 1, pp. 6-17
• Ball, Rick; Davis, Gary: The $\alpha $-completion of a lattice ordered group. (English). Czechoslovak Mathematical Journal, vol. 33 (1983), issue 1, pp. 111-118
• Jakubíková, Mária: Hereditary radical classes of linearly ordered groups. (English). Časopis pro pěstování matematiky, vol. 108 (1983), issue 2, pp. 199-207
• Jakubík, Ján; Kolibiar, Milan: Isometries of multilattice groups. (English). Czechoslovak Mathematical Journal, vol. 33 (1983), issue 4, pp. 602-612
• Reilly, Norman R.: Nilpotent, weakly abelian and Hamiltonian lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 33 (1983), issue 3, pp. 348-353
• Jakubík, Ján: On $K$-radical classes of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 33 (1983), issue 1, pp. 149-163
• Jakubík, Ján: On lexico extensions of lattice ordered groups. (English). Mathematica Slovaca, vol. 33 (1983), issue 1, pp. 81-84
• Jakubík, Ján: On the lattice of semisimple classes of linearly ordered groups. (English). Časopis pro pěstování matematiky, vol. 108 (1983), issue 2, pp. 183-190
• Medvedev, N. Ja.: О решетке радикалов конечнопорожденных $l$-групп. (Russian) [The lattice of radicals of finitely generated $l$-groups]. Mathematica Slovaca, vol. 33 (1983), issue 2, pp. 185-188
• Medvedev, N. Ya.: $l$-многообразия без независимого базиса тождеств. (Russian) [$l$-varieties without an independent basis of identities]. Mathematica Slovaca, vol. 32 (1982), issue 4, pp. 417-425
• Rachůnek, Jiří: A characterization of ordered groups by means of segments. (English). Sborník prací Přírodovědecké fakulty University Palackého v Olomouci. Matematika, vol. 21 (1982), issue 1, pp. 33-35
• Jakubíková, Mária: Completions of lattice ordered groups. (English). Mathematica Slovaca, vol. 32 (1982), issue 2, pp. 127-141
• Jakubík, Ján: Distributivity of intervals of torsion radicals. (English). Czechoslovak Mathematical Journal, vol. 32 (1982), issue 4, pp. 548-555
• Šik, František: $\Gamma$-regulator and $\Pi'$-regulator of a lattice ordered group. (English). Mathematica Slovaca, vol. 32 (1982), issue 2, pp. 105-116
• Jakubík, Ján: On linearly ordered subgroups of a lattice ordered group. (English). Časopis pro pěstování matematiky, vol. 107 (1982), issue 2, pp. 175-179
• Šik, František: Regulators of type $\alpha$ of lattice ordered groups. (English). Mathematica Slovaca, vol. 32 (1982), issue 3, pp. 209-227
• Močkoř, Jiří: Semivaluations and $d$-groups. (English). Czechoslovak Mathematical Journal, vol. 32 (1982), issue 1, pp. 77-89
• Šik, František: Topology on regulators of lattice ordered groups. II: Completely regular regulators. (English). Mathematica Slovaca, vol. 32 (1982), issue 1, pp. 35-48
• Jakubík, Ján: Torsion radicals of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 32 (1982), issue 3, pp. 347-363
• Šmarda, Bohumil: Uniform normality of topological groups and $l$-groups. (English). Archivum Mathematicum, vol. 18 (1982), issue 2, pp. 101-109
• Medvedev, N.Ya.: К теории многообразий решеточно упорядоченных групп. (Russian) [On the theory of varieties of lattice ordered groups]. Czechoslovak Mathematical Journal, vol. 32 (1982), issue 3, pp. 364-372
• Jakubík, Ján: On isometries of non-Abelian lattice ordered groups. (English). Mathematica Slovaca, vol. 31 (1981), issue 2, pp. 171-175
• Vonkomerová, Marta: On the extension of positive operators. (English). Mathematica Slovaca, vol. 31 (1981), issue 3, pp. 251-262
• Jakubík, Ján: On the lattice of torsion classes of lattice ordered groups. (English). Czechoslovak Mathematical Journal, vol. 31 (1981), issue 4, pp. 510-513