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06A12 Semilattices (79 articles)

• Calomino, Ismael: Monadic quasi-modal distributive nearlattices. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 64 (2023), issue 2, pp. 161-174
• Chajda, Ivan; Länger, Helmut: Monotone and cone preserving mappings on posets. (English). Mathematica Bohemica, vol. 148 (2023), issue 2, pp. 197-210
• Calomino, Ismael; Celani, Sergio: $\alpha$-filters and $\alpha$-order-ideals in distributive quasicomplemented semilattices. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 62 (2021), issue 1, pp. 15-32
• Foldes, Stephan; Radeleczki, Sándor: On distances and metrics in discrete ordered sets. (English). Mathematica Bohemica, vol. 146 (2021), issue 3, pp. 251-262
• Sabna, K.S.; Mangalambal, N.R.: Fixed points with respect to the L-slice homomorphism $\sigma _{a} $. (English). Archivum Mathematicum, vol. 55 (2019), issue 1, pp. 43-53
• Calomino, Ismael: Note on $\alpha $-filters in distributive nearlattices. (English). Mathematica Bohemica, vol. 144 (2019), issue 3, pp. 241-250
• Calomino, Ismael; Celani, Sergio: Annihilator-preserving congruence relations in distributive nearlattices. (English). Mathematica Bohemica, vol. 143 (2018), issue 4, pp. 391-407
• Gaitán, Hernando: Duality for Hilbert algebras with supremum: An application. (English). Mathematica Bohemica, vol. 142 (2017), issue 3, pp. 263-276
• Růžička, Pavel: The graphs of join-semilattices and the shape of congruence lattices of particle lattices. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 3, pp. 275-291
• Cīrulis, Jānis: On JP-semilattices of Begum and Noor. (English). Mathematica Bohemica, vol. 138 (2013), issue 2, pp. 181-184
• Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. VI. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 54 (2013), issue 1, pp. 45-61
• Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. VII. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 54 (2013), issue 1, pp. 63-78
• Celani, Sergio; Calomino, Ismael: Some remarks on distributive semilattices. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 3, pp. 407-428
• Cīrulis, Jānis: Adjoint Semilattice and Minimal Brouwerian Extensions of a Hilbert Algebra. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 51 (2012), issue 2, pp. 41-51
• Begum, S. N.; Noor, A. S. A.: Congruence kernels of distributive PJP-semilattices. (English). Mathematica Bohemica, vol. 136 (2011), issue 3, pp. 225-239
• Araújo, João; Kinyon, Michael: Independent axiom systems for nearlattices. (English). Czechoslovak Mathematical Journal, vol. 61 (2011), issue 4, pp. 975-992
• Chajda, Ivan; Kolařík, Miroslav; Švrček, Filip: Properties of relatively pseudocomplemented directoids. (English). Mathematica Bohemica, vol. 136 (2011), issue 1, pp. 9-23
• Chajda, Ivan: Conjugated algebras. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 48 (2009), issue 1, pp. 17-23
• Gabriela, Bordalo; Nathalie, Caspard; Bernard, Monjardet: Going down in (semi)lattices of finite Moore families and convex geometries. (English). Czechoslovak Mathematical Journal, vol. 59 (2009), issue 1, pp. 249-271
• Chajda, Ivan: Relatively pseudocomplemented directoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 50 (2009), issue 3, pp. 349-357
• Ježek, Jaroslav; Kepka, Tomáš: The semiring of 1-preserving endomorphisms of a semilattice. (English). Czechoslovak Mathematical Journal, vol. 59 (2009), issue 4, pp. 999-1003
• Chajda, Ivan: Pseudocomplemented directoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 4, pp. 533-539
• Chajda, I.; Kolařík, M.: Directoids with an antitone involution. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 4, pp. 555-569
• Chajda, I.; Kolařík, M.: Directoids with sectionally antitone involutions and skew MV-algebras. (English). Mathematica Bohemica, vol. 132 (2007), issue 4, pp. 407-422
• Chajda, Ivan; Kolařík, Miroslav: Ideals, congruences and annihilators on nearlattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 46 (2007), issue 1, pp. 25-33
• Chajda, Ivan: Ring-like structures derived from $\lambda $-lattices with antitone involutions. (English). Mathematica Bohemica, vol. 132 (2007), issue 1, pp. 87-96
• Halaš, R.; Kühr, J.: Subdirectly irreducible sectionally pseudocomplemented semilattices. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 2, pp. 725-735
• Chajda, Ivan; Kolařík, Miroslav: A decomposition of homomorphic images of nearlattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 45 (2006), issue 1, pp. 43-51
• Růžička, Pavel: Countable chains of distributive lattices as maximal semilattice quotients of positive cones of dimension groups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 47 (2006), issue 1, pp. 11-20
• Chajda, Ivan: Directoids with sectionally switching involutions. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 45 (2006), issue 1, pp. 35-41
• Chajda, Ivan; Kühr, Jan: GMV-algebras and meet-semilattices with sectionally antitone permutations. (English). Mathematica Slovaca, vol. 56 (2006), issue 3, pp. 275-288
• Hong, Shaofang; Sun, Qi: Determinants of matrices associated with incidence functions on posets. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 2, pp. 431-443
• Balasubramani, P.: Characterizations of the $0$-distributive semilattice. (English). Mathematica Bohemica, vol. 128 (2003), issue 3, pp. 237-252
• Chajda, Ivan: Lattices and semilattices having an antitone involution in every upper interval. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 44 (2003), issue 4, pp. 577-585
• Chajda, Ivan: A characterization of congruence kernels in pseudocomplemented semilattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 41 (2002), issue 1, pp. 35-37
• Ratanaprasert, Chawewan: Graph isomorphism of ordered sets. (English). Mathematica Slovaca, vol. 52 (2002), issue 5, pp. 491-499
• Jakubík, Ján: On direct and subdirect product decompositions of partially ordered sets. (English). Mathematica Slovaca, vol. 52 (2002), issue 4, pp. 377-395
• Pataki, Gergely; Száz, Árpád: Characterizations of nonexpansive multipliers on partially ordered sets. (English). Mathematica Slovaca, vol. 51 (2001), issue 4, pp. 371-382
• Chajda, Ivan; Länger, Helmut: A simple basis of ideal terms of Brouwerian semilattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 40 (2001), issue 1, pp. 37-42
• Ježek, Jaroslav; Slavík, Václav: Incomparably continuable sets of semilattices. (English). Mathematica Bohemica, vol. 125 (2000), issue 2, pp. 135-137
• Jakubík, Ján: Disjoint sequences in Boolean algebras. (English). Mathematica Bohemica, vol. 123 (1998), issue 4, pp. 411-418
• Chajda, Ivan; Halaš, Radomír; Zedník, Josef: Filters and annihilators in implication algebras. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 37 (1998), issue 1, pp. 41-45
• Chajda, Ivan: Semilattices of finite arithmetical algebras. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 4, pp. 659-662
• Chajda, Ivan; Halaš, Radomír: Genomorphisms of lattices and semilattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 33 (1994), issue 1, pp. 23-27
• Petrich, Mario: The translational hull of a normal cryptogroup. (English). Mathematica Slovaca, vol. 44 (1994), issue 2, pp. 245-262
• Bandelt, Hans-Jürgen; Meletiou, Gerasimos C.: The zero-completion of a median algebra. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 3, pp. 409-417
• Chajda, Ivan: Lattices in quasiordered sets. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 31 (1992), issue 1, pp. 6-12
• Rachůnek, Jiří: On $o$-modular and $o$-distributive semilattices. (English). Mathematica Slovaca, vol. 42 (1992), issue 1, pp. 3-13
• Romanowska, Anna B.; Smith, J. D. H.: On the structure of semilattice sums. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 1, pp. 24-43
• Chajda, Ivan: Quasicomplemented semilattices. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 29 (1990), issue 1, pp. 11-22
• Ježek, Jaroslav; Newrly, Norbert; Tůma, Jiří: Remarks on equational theories of semilattices with operators. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 3, pp. 415-425
• Wesołowski, Tadeusz: Subdirectly irreducible decomposition of some algebras having the semilattice structure. (English). Mathematica Slovaca, vol. 40 (1990), issue 1, pp. 31-35
• Bosbach, Bruno: Hyperarchimedische Teilbarkeitshalbgruppen. (German) [Hyperarchimedian divisibility semigroups]. Czechoslovak Mathematical Journal, vol. 39 (1989), issue 3, pp. 528-543
• Ježek, Jaroslav; Slavík, Václav: Free lattices over halflattices. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 2, pp. 203-211
• Gałuszka, J.: Bisemilattices with five essentially binary polynomials. (English). Mathematica Slovaca, vol. 38 (1988), issue 2, pp. 123-132
• Noor, Abu Saleh Abdun; Cornish, William H.: Around a neutral element in a nearlattice. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 2, pp. 199-210
• Chajda, Ivan; Zelinka, Bohdan: A characterization of tolerance-distributive tree semilattices. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 175-180
• Gould, Matthew; Iskra, Joseph A.; Pálfy, Péter Pál: Embedding in globals of finite semilattices. (English). Czechoslovak Mathematical Journal, vol. 36 (1986), issue 1, pp. 87-92
• Noor, Abu Saleh Abdun; Cornish, William H.: Multipliers on a nearlattice. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 4, pp. 815-827
• Paseka, Jan: Regular and normal quantales. (English). Archivum Mathematicum, vol. 22 (1986), issue 4, pp. 203-210
• Klimeš, Jiří: A characterization of inductive posets. (English). Archivum Mathematicum, vol. 21 (1985), issue 1, pp. 39-42
• Schweigert, Dietmar: Distributive associative near lattices. (English). Mathematica Slovaca, vol. 35 (1985), issue 4, pp. 313-317
• Ramana Murty, P.V.; Raman, V.: Permutability of distributive congruence relations in a joint semilattice directed below. (English). Mathematica Slovaca, vol. 35 (1985), issue 1, pp. 43-49
• Fleischer, Isidore: One-variable equationally compact distributive lattices. (English). Mathematica Slovaca, vol. 34 (1984), issue 4, pp. 385-386
• Blažková, Růžena; Chvalina, Jan: Regularity and transitivity of local-automorphism semigroups of locally finite forests. (English). Archivum Mathematicum, vol. 20 (1984), issue 4, pp. 183-194
• Chajda, Ivan; Zelinka, Bohdan: Directly decomposable tolerances on direct products of lattices and semilattices. (English). Czechoslovak Mathematical Journal, vol. 33 (1983), issue 4, pp. 519-521
• Chajda, Ivan; Nieminen, Juhani; Zelinka, Bohdan: Tolerances and orderings on semilattices. (English). Archivum Mathematicum, vol. 19 (1983), issue 3, pp. 125-131
• Bandelt, Hans-Jürgen: Tolerances on median algebras. (English). Czechoslovak Mathematical Journal, vol. 33 (1983), issue 3, pp. 344-347
• Fleischer, Isidore: Congruence extension from a semilattice to the freely generated distributive lattice. (English). Czechoslovak Mathematical Journal, vol. 32 (1982), issue 4, pp. 623-626
• Chajda, Ivan; Nieminen, Juhani: Direct decomposability of tolerances on lattices, semilattices and quasilattices. (English). Czechoslovak Mathematical Journal, vol. 32 (1982), issue 1, pp. 110-115
• Tomková, Mária: On multilattices with isomorphic graphs. (English). Mathematica Slovaca, vol. 32 (1982), issue 1, pp. 63-73
• Ramana Murty, P.V.; Raman, V.: Triple construction of semilattices with $1$ admitting neutral $p$-closure operators. (English). Mathematica Slovaca, vol. 32 (1982), issue 4, pp. 367-378
• Rachůnek, Jiří: Translations des ensembles ordonnés. (French). Mathematica Slovaca, vol. 31 (1981), issue 4, pp. 337-340
• Rachůnek, Jiří: Reflexive and antisymmetric relations and their systems. (English). Czechoslovak Mathematical Journal, vol. 31 (1981), issue 4, pp. 521-530
• Cornish, William H.: A ternary variety generated by lattices. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 4, pp. 773-784
• Duda, Jaromír: Congruences generated by filters. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 1, pp. 1-9
• Fábera, Jiří; Sturm, Teo: Embedding of semilattices into distributive lattices. (English). Czechoslovak Mathematical Journal, vol. 29 (1979), issue 2, pp. 232-245
• Sankappanavar, H. P.: On pseudocomplemented semilattices with Stone congruence lattices. (English). Mathematica Slovaca, vol. 29 (1979), issue 4, pp. 381-395
• Grošek, Otokar: Энтропия на алгебраических структурах. (Russian) [Entropy on algebraic lattices]. Mathematica Slovaca, vol. 29 (1979), issue 4, pp. 411-424