• DML-CZ Home

20N02 Sets with a single binary operation (groupoids) (42 articles)

• Stanovský, David: Distributive groupoids are symmetric-by-medial: An elementary proof. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 4, pp. 541-546
• Kravchenko, A. V.: On the lattices of quasivarieties of differential groupoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 1, pp. 11-17
• Ormes, Nicholas; Vojtěchovský, Petr: Powers and alternative laws. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 1, pp. 25-40
• Ježek, J.: Slim groupoids. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 4, pp. 1275-1288
• Ježek, J.: Varieties of idempotent slim groupoids. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 4, pp. 1289-1309
• Jakubíková-Studenovská, Danica: Retracts of monounary algebras corresponding to groupoids. (English). Mathematica Slovaca, vol. 56 (2006), issue 1, pp. 105-112
• Nebeský, Ladislav: Travel groupoids. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 2, pp. 659-675
• Chajda, Ivan: A groupoid characterization of orthomodular lattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 44 (2005), issue 1, pp. 13-18
• Jedlička, Přemysl: On left distributive left idempotent groupoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 1, pp. 15-20
• Cho, Jung R.; Kepka, Tomáš: Infinite simple zeropotent paramedial groupoids. (English). Czechoslovak Mathematical Journal, vol. 53 (2003), issue 4, pp. 769-775
• Cho, Jung R.; Kepka, Tomáš: Finite simple zeropotent paramedial groupoids. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 1, pp. 41-53
• Nebeský, Ladislav: New proof of a characterization of geodetic graphs. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 1, pp. 33-39
• Ježek, J.: Termal groupoids. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 4, pp. 705-716
• Stanovský, David: Homomorphic images of subdirectly irreducible groupoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 3, pp. 443-450
• Ježek, Jaroslav; Kepka, Tomáš: The equational theory of paramedial cancellation groupoids. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 1, pp. 25-34
• Bashir, Robert El; Ježek, Jaroslav; Kepka, Tomáš: Simple zeropotent paramedial groupoids are balanced. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 2, pp. 397-399
• Nebeský, Ladislav: A tree as a finite nonempty set with a binary operation. (English). Mathematica Bohemica, vol. 125 (2000), issue 4, pp. 455-458
• Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš: Paramedial groupoids. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 2, pp. 277-290
• Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš: Simple paramedial groupoids. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 2, pp. 391-399
• Nebeský, Ladislav: An algebraic characterization of geodetic graphs. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 4, pp. 701-710
• Dudek, Józef: Small idempotent clones. I. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 1, pp. 105-118
• Ježek, Jaroslav: Enumerating left distributive groupoids. (English). Czechoslovak Mathematical Journal, vol. 47 (1997), issue 4, pp. 717-727
• Dehornoy, Patrick: Multiple left distributive systems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 4, pp. 615-625
• Ježek, Jaroslav; Kepka, Tomáš: Selfdistributive groupoids of small orders. (English). Czechoslovak Mathematical Journal, vol. 47 (1997), issue 3, pp. 463-468
• Chajda, Ivan: Congruence semimodularity of conservative groupoids. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 35 (1996), issue 1, pp. 43-45
• Novotný, Miroslav: Construction of all homomorphisms of groupoids. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 1, pp. 141-153
• Sesboüé, André: Finite monogenic distributive systems. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 4, pp. 697-719
• Kepka, Tomáš; Němec, Petr: Simple balanced groupoids. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 35 (1996), issue 1, pp. 53-60
• Dehornoy, Patrick: An associative operation on monogenic left distributive systems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 36 (1995), issue 1, pp. 1-6
• Drápal, Aleš; Kepka, Tomáš; Musílek, Michal: Group conjugation has non-trivial LD-identities. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 2, pp. 219-222
• Kepka, Tomáš: Ideals in selfdistributive groupoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 1, pp. 187-191
• Kepka, Tomáš: Non-idempotent left symmetric left distributive groupoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 1, pp. 181-186
• El Bashir, Robert; Drápal, Aleš: Quasitrivial left distributive groupoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 35 (1994), issue 4, pp. 597-606
• Zelinka, Bohdan: Representation of undirected graphs by anticommutative conservative groupoids. (English). Mathematica Bohemica, vol. 119 (1994), issue 3, pp. 231-237
• Satko, Ladislav: The tensor product of groupoids. (English). Mathematica Slovaca, vol. 44 (1994), issue 2, pp. 237-244
• Drápal, Aleš: On a class of commutative groupoids determined by their associativity triples. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 2, pp. 199-201
• Radelecki, Sándor: Compatible tolerances on groupoids. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 3, pp. 436-445
• Dudek, Józef: Medial idempotent groupoids. I. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 2, pp. 249-259
• Hansen, Donald Joseph: Pseudo-complemented distributive groupoids. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 1, pp. 141-148
• Novotný, Miroslav: Ternary structures and groupoids. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 1, pp. 90-98
• Saade, Marshall: On decompositions of groupoids. (English). Časopis pro pěstování matematiky, vol. 97 (1972), issue 1, pp. 50-54
• Saade, Marshall: On some classes of point algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 12 (1971), issue 1, pp. 33-36