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08A02 Relational systems, laws of composition (69 articles)

• Chajda, Ivan; Länger, Helmut: Groupoids assigned to relational systems. (English). Mathematica Bohemica, vol. 138 (2013), issue 1, pp. 15-23
• Chajda, Ivan; Länger, Helmut: Quotients and homomorphisms of relational systems. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 49 (2010), issue 2, pp. 37-47
• Sobera, Jolanta: Mixed pseudo-associativities of Bandler-Kohout compositions of relations. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 143-156
• Flaška, Václav; Ježek, Jaroslav; Kepka, Tomáš: Transitive closures of binary relations II. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 48 (2007), issue 1, pp. 71-80
• Flaška, Václav; Ježek, Jaroslav; Kepka, Tomáš; Kortelainen, Juha: Transitive closures of binary relations. I. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 48 (2007), issue 1, pp. 55-69
• Glavosits, Tamás; Száz, Árpád: Characterizations of commuting relations. (English). Acta Mathematica Universitatis Ostraviensis, vol. 12 (2004), issue 1, pp. 23-31
• Chajda, Ivan: Class preserving mappings of equivalence systems. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 43 (2004), issue 1, pp. 61-64
• Chajda, Ivan; Hošková, Šárka: A factorization of quasiorder hypergroups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 45 (2004), issue 4, pp. 573-581
• Fleischer, Isidore: Functional representation of preiterative/combinatory formalism. (English). Mathematica Slovaca, vol. 54 (2004), issue 4, pp. 327-335
• Machala, František; Slezák, Vladimír: Join-closed and meet-closed subsets in complete lattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 43 (2004), issue 1, pp. 113-117
• Glavosits, Tamás; Száz, Árpád: Decompositions of commuting relations. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 11 (2003), issue 1, pp. 25-28
• Machala, František: Incidence structures of type $(p, n)$. (English). Czechoslovak Mathematical Journal, vol. 53 (2003), issue 1, pp. 9-18
• Chajda, I.: Distributivity of lattices of binary relations. (English). Mathematica Bohemica, vol. 127 (2002), issue 3, pp. 449-452
• Novotný, Miroslav: Homomorphisms of algebras. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 2, pp. 345-364
• Novotný, Miroslav: Homomorphisms of heterogeneous algebras. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 2, pp. 415-428
• Chajda, Ivan: A common generalization of permutability and 0-permutability. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 40 (2001), issue 1, pp. 23-29
• Šimko, Juraj: Linear and $\Bbb R$-linear betweenness spaces. (English). Mathematica Slovaca, vol. 51 (2001), issue 4, pp. 365-370
• Karásek, Jiří: On a modification of axioms of general relations. (English). Mathematica Bohemica, vol. 126 (2001), issue 3, pp. 581-592
• Machala, František: Special incidence structures of type $(p,n)$. II. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 40 (2001), issue 1, pp. 161-178
• Fajmon, Břetislav: Operations, homomorphism and update versus relational database systems. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 8 (2000), issue 1, pp. 99-109
• Machala, František: Special incidence structures of type $(p,n)$. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 39 (2000), issue 1, pp. 123-142
• Machala, František; Slezák, Vladimír: Disjoint unions of incidence structures and complete lattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 38 (1999), issue 1, pp. 119-129
• Machala, František: Incidence structures of independent sets. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 38 (1999), issue 1, pp. 113-118
• Karásek, Jiří: Cardinal and ordinal arithmetics of $n$-ary relational systems and $n$-ary ordered sets. (English). Mathematica Bohemica, vol. 123 (1998), issue 3, pp. 249-262
• Machala, František: Konzepte in den triadischen Kontext. (German) [Concepts in the triadic context]. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 36 (1997), issue 1, pp. (141)-147
• Machala, František; Pomp, Marek: Disjoint and complete unions of incidence structures. (English). Mathematica Bohemica, vol. 122 (1997), issue 4, pp. 365-374
• Karásek, Jiří: Double $n$-ary relational structures. (English). Mathematica Bohemica, vol. 122 (1997), issue 2, pp. 169-174
• Novotný, Miroslav: Homomorphisms and strong homomorphisms of relational structures. (English). Archivum Mathematicum, vol. 33 (1997), issue 1, pp. 57-64
• Dehornoy, Patrick: Multiple left distributive systems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 4, pp. 615-625
• Novák, Vítězslav; Novotný, Miroslav: Relational structures and dependence spaces. (English). Czechoslovak Mathematical Journal, vol. 47 (1997), issue 1, pp. 179-191
• Novotný, Miroslav: Construction of all homomorphisms of groupoids. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 1, pp. 141-153
• Hedlíková, Jarmila; Katriňák, Tibor: Lattice betweenness relation and a generalization of König's lemma. (English). Mathematica Slovaca, vol. 46 (1996), issue 4, pp. 343-354
• Novák, Vítězslav: Ternary structures and partial semigroups. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 1, pp. 111-120
• Chajda, Ivan: Tolerances on $q$-lattices. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 1, pp. 21-28
• Machala, František: Modulare Inzidenzstrukturen. (German) [Modular incidence structures]. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 34 (1995), issue 1, pp. 137-145
• Chronowski, Antoni; Novotný, Miroslav: Induced isomorphisms of certain ternary semigroups. (English). Archivum Mathematicum, vol. 31 (1995), issue 3, pp. 205-216
• Novák, Vítězslav: On representation of ternary structures. (English). Mathematica Slovaca, vol. 45 (1995), issue 5, pp. 469-480
• Karásek, Jiří: Projections of relations. (English). Mathematica Bohemica, vol. 120 (1995), issue 3, pp. 283-291
• Zelinka, Bohdan: Subtraction semigroups. (English). Mathematica Bohemica, vol. 120 (1995), issue 4, pp. 445-447
• Chronowski, Antoni; Novotný, Miroslav: Ternary semigroups of morphisms of objects in categories. (English). Archivum Mathematicum, vol. 31 (1995), issue 2, pp. 147-153
• Chajda, Ivan: Tolerance lattice of algebras with restricted similarity type. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 34 (1995), issue 1, pp. 59-62
• Chajda, Ivan: Algebras with $n$-transferable tolerances. (English). Mathematica Bohemica, vol. 119 (1994), issue 2, pp. 137-142
• Šlapal, Josef: On strong regularity of relations. (English). Mathematica Bohemica, vol. 119 (1994), issue 2, pp. 151-155
• Šlapal, Josef: Cardinal arithmetic of general relational systems. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 1, pp. 125-139
• Novotný, Miroslav: On some correspondences between relational structures and algebras. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 4, pp. 643-647
• Šlapal, Josef: Relations and topologies. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 1, pp. 141-150
• Karásek, Jiří: On a modification of relational axioms. (English). Archivum Mathematicum, vol. 28 (1992), issue 1, pp. 95-111
• Raftery, J. G.; Sturm, T.: Tolerance numbers, congruence $n$-permutability and BCK-algebras. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 4, pp. 727-740
• Novotný, Miroslav: Construction of all strong homomorphisms of binary structures. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 2, pp. 300-311
• Ševečková, Jitka; Šik, František: Complete permutability of partitions in a set. I. (English). Archivum Mathematicum, vol. 25 (1989), issue 1, pp. 95-102
• Kolibiar, Milan: Median groups. (English). Archivum Mathematicum, vol. 25 (1989), issue 1, pp. 73-82
• Šlapal, Josef: On relations. (English). Czechoslovak Mathematical Journal, vol. 39 (1989), issue 2, pp. 198-214
• Šlapal, Josef: On the direct power of relational systems. (English). Mathematica Slovaca, vol. 39 (1989), issue 3, pp. 251-255
• Michálek, J.: Linear functionals in SLM-spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 1, pp. 111-126
• Michálek, J.: Random seminormed spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 4, pp. 775-789
• Novák, Vítězslav: On a power of relational structures. (English). Czechoslovak Mathematical Journal, vol. 35 (1985), issue 1, pp. 167-172
• Länger, Helmut: C-S-maximal superassociative systems. II. (English). Mathematica Slovaca, vol. 34 (1984), issue 1, pp. 89-95
• Michálek, Jiří: Statistical linear spaces. I. Properties of $\varepsilon$, $\eta$-topology. (English). Kybernetika, vol. 20 (1984), issue 1, pp. 58-72
• Michálek, Jiří: Statistical linear spaces. II. Strongest $t$-norm. (English). Kybernetika, vol. 20 (1984), issue 2, pp. 135-146
• Comer, Stephen D.: Constructions of color schemes. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 24 (1983), issue 2, pp. 39-48
• Birkenmeier, Gary F.: Exponentiation without associativity. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 24 (1983), issue 2, pp. 3-7
• Krutský, František: Homomorphic correspondences of relational systems. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 22 (1983), issue 1, pp. 37-46
• Šik, František: Schreier-Zassenhaus theorem for algebras. II. (English). Czechoslovak Mathematical Journal, vol. 33 (1983), issue 1, pp. 41-57
• Draškovičová, Hilda: Modular median algebras. (English). Mathematica Slovaca, vol. 32 (1982), issue 3, pp. 269-281
• Rachůnek, Jiří: Reflexive and antisymmetric relations and their systems. (English). Czechoslovak Mathematical Journal, vol. 31 (1981), issue 4, pp. 521-530
• Duda, Jaromír: $\varrho$-ideals in the lattice of semi $\varrho$-ideals. (English). Archivum Mathematicum, vol. 17 (1981), issue 2, pp. 73-79
• Rachůnek, Jiří: Categories of systems of $X$-relations. (English). Archivum Mathematicum, vol. 16 (1980), issue 3, pp. 175-184
• Nebeský, Ladislav: Graphic algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 11 (1970), issue 3, pp. 533-544
• Karásek, Jiří: On general algebras. (English). Archivum Mathematicum, vol. 2 (1966), issue 4, pp. 157-175