Edit Profile Chajda, Ivan Compute Distance To: Compute Author ID: chajda.ivan Published as: Chajda, I.; Chajda, Ivan Homepage: http://www.kag.upol.cz/vizitka/chajda/ External Links: MGP · ORCID · ResearchGate · dblp · GND Documents Indexed: 517 Publications since 1973, including 13 Books Reviewing Activity: 555 Reviews all top 5 Co-Authors 182 single-authored 101 Länger, Helmut M. 62 Halaš, Radomír 30 Kolařík, Miroslav 25 Eigenthaler, Günther 24 Kühr, Jan 17 Paseka, Jan 17 Zelinka, Bohdan 10 Czédli, Gábor 9 Emanovský, Petr 9 Radeleczki, Sándor 8 Rosenberg, Ivo G. 7 Bělohlávek, Radim 7 Švrček, Filip 6 Duda, Jaromír 6 Ledda, Antonio 5 Muller, Winfried B. 5 Pinus, Aleksandr Georgievich 5 Šešelja, Branimir 5 Tepavčević, Andreja 4 Bonzio, Stefano 4 Botur, Michal 4 Dorfer, Gerhard 4 Horváth, Eszter K. 4 Krňávek, Jan 4 Rachůnek, Jiří 4 Wismath, Shelly L. 4 Zedník, Josef 3 Kotrle, M. 3 Niederle, Josef 3 Nieminen, Juhani 3 Pöschel, Reinhard 2 Denecke, Klaus Dieter 2 Fazio, Davide 2 Goldstern, Martin Robert 2 Graczyńska, Ewa Wanda 2 Hošková, Šárka 2 Padmanabhan, Ranganathan 2 Paoli, Francesco 1 Cheng, Wenbo 1 Cīrulis, Jānis 1 Dalik, Josef 1 Denisov, A. Yu. 1 Droste, Manfred 1 Dušek, Kamil 1 Gil-Férez, José 1 Giuntini, Roberto 1 Głazek, Kazimierz 1 Haviar, Miroslav 1 Janda, Jiří 1 Jun, Young Bae 1 Krutsky, Frantisek 1 Lipparini, Paolo 1 Machala, Frantisek 1 Machida, Hajime 1 Maczynski, Maciej J. 1 Morávková, Zuzana 1 Novák, Vítězslav 1 Ploščica, Miroslav 1 Pondělíček, Bedřich 1 Qiang, Lei 1 Seidl, Z. 1 Ševčik, Petr 1 Snášel, Václav 1 Vanžurová, Alena 1 Veselý, Vítězslav 1 Vogel, Hans-Jürgen 1 Vychodil, Vilém all top 5 Serials 44 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 44 Czechoslovak Mathematical Journal 40 Mathematica Slovaca 29 Soft Computing 28 Discussiones Mathematicae. General Algebra and Applications 25 Archivum Mathematicum 24 Algebra Universalis 23 Mathematica Bohemica 19 Acta Scientiarum Mathematicarum 17 Demonstratio Mathematica 16 International Journal of Theoretical Physics 13 Miskolc Mathematical Notes 13 Asian-European Journal of Mathematics 12 Časopis Pro Pěstování Matematiky 10 Journal of Multiple-Valued Logic and Soft Computing 9 Commentationes Mathematicae Universitatis Carolinae 8 Order 7 Kyungpook Mathematical Journal 7 Acta Mathematica Universitatis Comenianae. New Series 7 Discussiones Mathematicae. Algebra and Stochastic Methods 6 Annales Universitatis Scientiarum Budapestinensis de Rolando Eötvös Nominatae. Sectio Mathematica 5 Fuzzy Sets and Systems 5 Italian Journal of Pure and Applied Mathematics 5 Contributions to General Algebra 4 Acta Universitatis Matthiae Belii. Series Mathematics 4 Novi Sad Journal of Mathematics 4 Research and Exposition in Mathematics 3 Discrete Mathematics 3 Sitzungsberichte. Abteilung II. Österreichische Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse 3 Southeast Asian Bulletin of Mathematics 3 Glasnik Matematički. Serija III 3 East-West Journal of Mathematics 3 Central European Journal of Mathematics 2 Information Sciences 2 Publicationes Mathematicae 2 Semigroup Forum 2 Studia Scientiarum Mathematicarum Hungarica 2 Anzeiger. Abteilung II. Österreichische Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse 2 Multiple-Valued Logic 2 Logic Journal of the IGPL 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 Houston Journal of Mathematics 1 Periodica Mathematica Hungarica 1 Reports on Mathematical Physics 1 Algebra and Logic 1 Journal of Algebra 1 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. Mathématica 1 Bulletin of the Section of Logic 1 Acta Applicandae Mathematicae 1 Journal of Logic and Computation 1 Mathematica Pannonica 1 International Journal of Algebra and Computation 1 Tatra Mountains Mathematical Publications 1 Algebra Colloquium 1 Filomat 1 Zeszyty Naukowe Uniwersytetu Opolskiego. Matematyka 1 International Journal of Pure and Applied Mathematics 1 Journal of Algebra and its Applications 1 Foundations of Physics 1 Journal of Algebra and Discrete Structures 1 Topological Algebra and its Applications all top 5 Fields 309 Order, lattices, ordered algebraic structures (06-XX) 292 General algebraic systems (08-XX) 138 Mathematical logic and foundations (03-XX) 32 Associative rings and algebras (16-XX) 28 Quantum theory (81-XX) 27 Group theory and generalizations (20-XX) 8 Commutative algebra (13-XX) 6 General and overarching topics; collections (00-XX) 4 Computer science (68-XX) 2 Nonassociative rings and algebras (17-XX) 2 Category theory; homological algebra (18-XX) 1 History and biography (01-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Geometry (51-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 308 Publications have been cited 1,165 times in 507 Documents Cited by ▼ Year ▼ Many-valued quantum algebras. Zbl 1219.06013Chajda, Ivan; Halaš, Radomír; Kühr, Jan 45 2009 Congruence classes in universal algebra. Zbl 1014.08001Chajda, Ivan; Eigenthaler, Günther; Länger, Helmut 33 2003 Semilattice structures. Zbl 1117.06001Chajda, Ivan; Halaš, Radomír; Kühr, Jan 27 2007 Algebraic theory of tolerance relations. Zbl 0747.08001Chajda, Ivan 26 1991 Lattices of tolerances. Zbl 0354.08011Chajda, Ivan; Zelinka, Bohdan 24 1977 Independence of axiom system of basic algebras. Zbl 1178.06007Chajda, Ivan; Kolařík, Miroslav 22 2009 Lattices of compatible relations. Zbl 0372.08002Chajda, Ivan 21 1977 On existence conditions for compatible tolerances. Zbl 0333.08006Chajda, Ivan; Niederle, Josef; Zelinka, Bohdan 20 1976 Forbidden configurations for distributive and modular ordered sets. Zbl 0674.06003Chajda, Ivan; Rachůnek, Jiří 19 1989 Tense operators on basic algebras. Zbl 1246.81014Botur, M.; Chajda, I.; Halaš, R.; Kolařík, M. 18 2011 Distributive lattices with sectionally antitone involutions. Zbl 1099.06006Chajda, I.; Halaš, R.; Kühr, J. 18 2005 Minimal compatible tolerances on lattices. Zbl 0379.06002Chajda, Ivan; Zelinka, Bohdan 16 1977 Dynamic effect algebras and their representations. Zbl 1318.03059Chajda, Ivan; Paseka, Jan 15 2012 Algebraic axiomatization of tense intuitionistic logic. Zbl 1260.03113Chajda, Ivan 15 2011 Dynamic effect algebras. Zbl 1324.03026Chajda, Ivan; Kolařík, Miroslav 14 2012 Every effect algebra can be made into a total algebra. Zbl 1192.03048Chajda, I.; Halaš, R.; Kühr, J. 14 2009 Normally presented varieties. Zbl 0842.08007Chajda, I. 14 1995 Distributivity and modularity of lattices of tolerance relations. Zbl 0469.08003Chajda, Ivan 13 1981 Tolerance relation on lattices. Zbl 0297.06001Chajda, Ivan; Zelinka, Bohdan 13 1974 Nearlattices. Zbl 1151.06004Chajda, I.; Kolařík, M. 12 2008 Complemented ordered sets. Zbl 0785.06002Chajda, Ivan 12 1992 Ideals and congruences of basic algebras. Zbl 1271.03087Chajda, Ivan; Kühr, Jan 11 2013 Bounded lattices with antitone involutions and properties of MV-algebras. Zbl 1082.03055Chajda, Ivan; Emanovský, Peter 11 2004 Orthomodular implication algebras. Zbl 0992.06008Chajda, Ivan; Halaš, Radomír; Länger, Helmut 11 2001 Quasiorders on universal algebras. Zbl 0824.08002Pinus, A. G.; Chajda, I. 11 1993 Tolerance trivial algebras and varieties. Zbl 0534.08001Chajda, Ivan 11 1983 Directoids. An algebraic approach to ordered sets. Zbl 1254.06002Chajda, Ivan; Länger, Helmut 10 2011 Lattices and semilattices having an antitone involution in every upper interval. Zbl 1101.06003Chajda, Ivan 10 2003 Congruences in ordered sets. Zbl 0897.06004Chajda, Ivan; Snášel, Václav 10 1998 A Mal’cev condition for congruence principal permutable varieties. Zbl 0552.08006Chajda, Ivan 10 1984 Basic algebras and their applications an overview. Zbl 1280.06004Chajda, Ivan 9 2012 GMV-algebras and meet-semilattices with sectionally antitone permutations. Zbl 1141.06002Chajda, Ivan; Kühr, Jan 9 2006 Implication in MV-algebras. Zbl 1097.06011Chajda, I.; Halaš, R.; Kühr, J. 9 2004 Algebraic approach to tense operators. Zbl 1350.03002Chajda, Ivan; Paseka, Jan 8 2015 Effect algebras are conditionally residuated structures. Zbl 1247.03134Chajda, Ivan; Halaš, Radomír 8 2011 Are basic algebras residuated structures? Zbl 1188.03048Botur, Michal; Chajda, Ivan; Halaš, Radomír 8 2010 Ideals and the binary discriminator in universal algebra. Zbl 0979.08001Chajda, I.; Halaš, R.; Rosenberg, I. G. 8 1999 Orthomodular lattices can be converted into left residuated l-groupoids. Zbl 1399.06020Chajda, Ivan; Länger, Helmut 7 2017 Residuation in orthomodular lattices. Zbl 1404.06009Chajda, Ivan; Länger, Helmut 7 2017 Trapezoid lemma and congruence distributivity. Zbl 1058.08007Chajda, Ivan; Czédli, Gábor; Horváth, Eszter K. 7 2003 Lattices in quasiordered sets. Zbl 0773.06002Chajda, Ivan 7 1992 Regularity and permutability of congruences. Zbl 0449.08007Chajda, Ivan 7 1980 Dynamic order algebras as an axiomatization of modal and tense logics. Zbl 1329.81092Chajda, Ivan; Paseka, Jan 6 2015 Varieties of lattice effect algebras generated by four-element members. Zbl 1174.06305Chajda, Ivan; Halaš, Radomír 6 2008 A basic algebra is an MV-algebra if and only if it is a BCC-algebra. Zbl 1145.06003Chajda, I.; Halaš, R. 6 2008 A note on interval MV-algebras. Zbl 1164.06010Chajda, Ivan; Kühr, Jan 6 2006 Simple axioms for orthomodular implication algebras. Zbl 1064.06003Chajda, Ivan; Halaš, Radomír; Länger, Helmut 6 2004 Locally regular varieties. Zbl 0913.08006Chajda, Ivan 6 1998 How to generate the involution lattice of quasiorders. Zbl 0864.06003Chajda, Ivan; Czédli, Gábor 6 1996 Congruence distributivity in varieties with constants. Zbl 0615.08005Chajda, Ivan 6 1986 Coherence, regularity and permutability of congruences. Zbl 0537.08006Chajda, Ivan 6 1983 Spaces of abstract events. Zbl 1270.81010Chajda, Ivan; Länger, Helmut 5 2013 A non-associative generalization of MV-algebras. Zbl 1150.06012Chajda, Ivan; Kühr, Jan 5 2007 An example of a congruence distributive variety having no near-unanimity term. Zbl 1132.08002Chajda, I.; Halaš, R. 5 2006 A note on residuated lattices with globalization. Zbl 1099.06008Chajda, Ivan; Vychodil, Vilém 5 2006 The shifting lemma and shifting lattice identities. Zbl 1091.08006Chajda, Ivan; Czédli, Gábor; Horváth, Eszter K. 5 2003 Annihilators and deductive systems in commutative Hilbert algebras. Zbl 1070.03043Chajda, I.; Halaš, R.; Jun, Y. B. 5 2002 The lattice of deductive systems on Hilbert algebras. Zbl 1010.03054Chajda, Ivan 5 2002 Algebraic properties of pre-logics. Zbl 1007.08003Chajda, Ivan; Halaš, Radomír 5 2002 A triangular scheme for congruence distributivity. Zbl 0997.08001Chajda, Ivan; Horváth, Eszter K. 5 2002 Congruences and ideals in Hilbert algebras. Zbl 0954.08002Chajda, I.; Halaš, R. 5 1999 Pseudosemirings induced by ortholattices. Zbl 0879.06003Chajda, Ivan 5 1996 Indexed annihilators in ordered sets. Zbl 0843.06002Halaš, Radomír; Chajda, Ivan 5 1995 A localization of some congruence conditions in varieties with nullary operations. Zbl 0636.08004Chajda, Ivan 5 1987 Transferable principal congruences and regular algebras. Zbl 0601.08004Chajda, Ivan 5 1984 Direct decomposability of tolerances on lattices, semilattices and quasilattices. Zbl 0491.08003Chajda, Ivan; Nieminen, Juhani 5 1982 A characterization of distributive lattices by tolerance lattices. Zbl 0439.06008Chajda, Ivan 5 1979 A note on orthomodular lattices. Zbl 1387.81013Bonzio, Stefano; Chajda, Ivan 4 2017 Representing quantum structures as near semirings. Zbl 1405.06007Bonzio, Stefano; Chajda, Ivan; Ledda, Antonio 4 2016 A representation of basic algebras by coupled right near semirings. Zbl 1363.03037Chajda, Ivan; Länger, Helmut 4 2015 Basic algebras, logics, trends and applications. Zbl 1330.06006Chajda, Ivan 4 2015 Skew residuated lattices. Zbl 1284.03278Chajda, I.; Krňávek, J. 4 2013 Tolerances as images of congruences in varieties defined by linear identities. Zbl 1287.08003Chajda, Ivan; Czédli, Gábor; Halaš, Radomír; Lipparini, Paolo 4 2013 Finitely generated varieties of distributive effect algebras. Zbl 1296.03037Chajda, Ivan; Kühr, Jan 4 2013 Independent joins of tolerance factorable varieties. Zbl 1295.08006Chajda, Ivan; Czédli, Gábor; Halaš, Radomír 4 2013 Pseudo-effect algebras as total algebras. Zbl 1204.81007Chajda, Ivan; Kühr, Jan 4 2010 Horizontal sums of basic algebras. Zbl 1194.06005Chajda, Ivan 4 2009 Ideals, congruences and annihilators on nearlattices. Zbl 1147.06002Chajda, Ivan; Kolařík, Miroslav 4 2007 Distributive implication groupoids. Zbl 1134.03042Chajda, Ivan; Halaš, Radomir 4 2007 A decomposition of homomorphic images of nearlattices. Zbl 1123.06002Chajda, Ivan; Kolařík, Miroslav 4 2006 An implication in orthologic. Zbl 1104.81017Chajda, I.; Halaš, R. 4 2005 On varieties defined by pseudocomplemented nondistributive lattices. Zbl 1047.06004Chajda, I.; Radeleczki, S. 4 2003 A note on the triangular scheme. Zbl 1007.08002Chajda, Ivan 4 2001 Filters and annihilators in implication algebras. Zbl 0967.03059Chajda, Ivan; Halaš, Radomír; Zedník, Josef 4 1998 Remarks on Jónsson’s lemma. Zbl 0871.08004Chajda, I.; Rosenberg, I. G. 4 1996 Weak coherence of congruences. Zbl 0796.08003Chajda, Ivan 4 1991 Tolerances in congruence permutable algebras. Zbl 0678.08004Chajda, Ivan 4 1988 Relational characterizations of permutable and n-permutable varieties. Zbl 0545.08011Chajda, Ivan; Rachůnek, Jiří 4 1983 Systems of equations and tolerance relations. Zbl 0312.08006Chajda, Ivan 4 1975 Weakly orthomodular and dually weakly orthomodular lattices. Zbl 1441.06005Chajda, Ivan; Länger, Helmut 3 2018 Subdirectly irreducible commutative multiplicatively idempotent semirings. Zbl 1358.16036Chajda, Ivan; Länger, Helmut 3 2016 Commutative basic algebras and coupled near semirings. Zbl 1382.06002Chajda, Ivan; Länger, Helmut 3 2015 Tense operators in fuzzy logic. Zbl 1373.03033Chajda, Ivan; Paseka, Jan 3 2015 On some properties of directoids. Zbl 1350.06002Chajda, Ivan; Gil-Férez, J.; Giuntini, R.; Kolařík, Miroslav; Ledda, Antonio; Paoli, F. 3 2015 The join of the variety of MV-algebras and the variety of orthomodular lattices. Zbl 1329.81099Kühr, Jan; Chajda, Ivan; Halaš, Radomír 3 2015 Multiplicatively idempotent semirings. Zbl 1345.16046Chajda, Ivan; Länger, Helmut; Švrček, Filip 3 2015 An algebraic axiomatization of orthogonal posets. Zbl 1329.06003Chajda, Ivan 3 2014 Hedges and successors in basic algebras. Zbl 1254.03118Chajda, Ivan 3 2011 Implication and equivalential reducts of basic algebras. Zbl 1235.06010Chajda, Ivan; Kolařík, Miroslav; Švrček, Filip 3 2010 Algebraic structures derived from BCK-algebras. Zbl 1135.03349Chajda, Ivan; Kühr, Jan 3 2007 Relatively residuated lattices and posets. Zbl 07289637Chajda, Ivan; Kühr, Jan; Länger, Helmut 1 2020 The lattice of subspaces of a vector space over a finite field. Zbl 07092395Chajda, Ivan; Länger, Helmut 2 2019 Commutative rings whose ideal lattices are complemented. Zbl 1417.13001Chajda, Ivan; Länger, Helmut 1 2019 Weakly orthomodular and dually weakly orthomodular lattices. Zbl 1441.06005Chajda, Ivan; Länger, Helmut 3 2018 On the structure theory of Łukasiewicz near semirings. Zbl 07072095Chajda, Ivan; Fazio, Davide; Ledda, Antonio 2 2018 Residuated operators in complemented posets. Zbl 06994666Chajda, Ivan; Länger, Helmut 2 2018 Weakly orthomodular and dually weakly orthomodular posets. Zbl 1386.06009Chajda, Ivan; Länger, Helmut 2 2018 Residuated relational systems. Zbl 1403.08001Bonzio, Stefano; Chajda, Ivan 2 2018 The poset-based logics for the De Morgan negation and set representation of partial dynamic De Morgan algebras. Zbl 1429.03073Chajda, Ivan; Paseka, Jan 1 2018 Residuation in non-associative MV-algebras. Zbl 06990749Chajda, Ivan; Länger, Helmut 1 2018 Single identities forcing lattices to be Boolean. Zbl 06924546Chajda, Ivan; Länger, Helmut; Padmanabhan, Ranganathan 1 2018 Ideals of direct products of rings. Zbl 1396.13003Chajda, Ivan; Eigenthaler, Günther; Länger, Helmut 1 2018 A note on homomorphisms between products of algebras. Zbl 06904410Chajda, Ivan; Goldstern, Martin; Länger, Helmut 1 2018 Relatively pseudocomplemented posets. Zbl 06861593Chajda, Ivan; Länger, Helmut 1 2018 Orthomodular lattices can be converted into left residuated l-groupoids. Zbl 1399.06020Chajda, Ivan; Länger, Helmut 7 2017 Residuation in orthomodular lattices. Zbl 1404.06009Chajda, Ivan; Länger, Helmut 7 2017 A note on orthomodular lattices. Zbl 1387.81013Bonzio, Stefano; Chajda, Ivan 4 2017 Lattices with unique complementation. Zbl 1389.06026Chajda, Ivan; Padmanabhan, R. 2 2017 A representation of lattice effect algebras by means of right near semirings with involution. Zbl 1387.81014Chajda, Ivan; Länger, Helmut 1 2017 Properties of non-associative MV-algebras. Zbl 06786766Chajda, Ivan; Länger, Helmut M. 1 2017 On a variety of commutative multiplicatively idempotent semirings. Zbl 1397.16042Chajda, Ivan; Länger, Helmut 1 2017 A note on residuated po-groupoids and lattices with antitone involutions. Zbl 1424.03073Chajda, Ivan; Kühr, Jan 1 2017 Coupled right orthosemirings induced by orthomodular lattices. Zbl 1373.06007Chajda, Ivan; Länger, Helmut 1 2017 Representing quantum structures as near semirings. Zbl 1405.06007Bonzio, Stefano; Chajda, Ivan; Ledda, Antonio 4 2016 Subdirectly irreducible commutative multiplicatively idempotent semirings. Zbl 1358.16036Chajda, Ivan; Länger, Helmut 3 2016 Orthogonal relational systems. Zbl 1400.08001Bonzio, Stefano; Chajda, Ivan; Ledda, Antonio 2 2016 Groupoids corresponding to relational systems. Zbl 1389.08001Chajda, Ivan; Länger, Helmut 2 2016 Transition operators assigned to physical systems. Zbl 1386.81010Chajda, Ivan; Paseka, Jan 1 2016 General coupled semirings of residuated lattices. Zbl 1403.03134Chajda, Ivan; Länger, Helmut 1 2016 Near semirings and semirings with involution. Zbl 1389.16095Chajda, Ivan; Länger, Helmut 1 2016 A note on pseudo-Kleene algebras. Zbl 1431.06003Chajda, Ivan 1 2016 A triple representation of lattice effect algebras. Zbl 1399.03025Chajda, Ivan; Länger, Helmut 1 2016 Relational systems with involution. Zbl 1351.08001Chajda, Ivan; Länger, Helmut 1 2016 An approach to orthomodular lattices via lattices with an antitone involution. Zbl 1399.06021Chajda, Ivan; Radeleczki, Sándor 1 2016 Algebraic approach to tense operators. Zbl 1350.03002Chajda, Ivan; Paseka, Jan 8 2015 Dynamic order algebras as an axiomatization of modal and tense logics. Zbl 1329.81092Chajda, Ivan; Paseka, Jan 6 2015 A representation of basic algebras by coupled right near semirings. Zbl 1363.03037Chajda, Ivan; Länger, Helmut 4 2015 Basic algebras, logics, trends and applications. Zbl 1330.06006Chajda, Ivan 4 2015 Commutative basic algebras and coupled near semirings. Zbl 1382.06002Chajda, Ivan; Länger, Helmut 3 2015 Tense operators in fuzzy logic. Zbl 1373.03033Chajda, Ivan; Paseka, Jan 3 2015 On some properties of directoids. Zbl 1350.06002Chajda, Ivan; Gil-Férez, J.; Giuntini, R.; Kolařík, Miroslav; Ledda, Antonio; Paoli, F. 3 2015 The join of the variety of MV-algebras and the variety of orthomodular lattices. Zbl 1329.81099Kühr, Jan; Chajda, Ivan; Halaš, Radomír 3 2015 Multiplicatively idempotent semirings. Zbl 1345.16046Chajda, Ivan; Länger, Helmut; Švrček, Filip 3 2015 On varieties of basic algebras. Zbl 1350.06005Chajda, Ivan; Halaš, Radomír 2 2015 The propositional logic induced by means of basic algebras. Zbl 1329.81091Chajda, I. 2 2015 An algebraic axiomatization of orthogonal posets. Zbl 1329.06003Chajda, Ivan 3 2014 Orthomodular posets can be organized as conditionally residuated structures. Zbl 1320.06003Chajda, Ivan; Länger, Helmut 2 2014 A representation of skew effect algebras. Zbl 1349.03088Chajda, Ivan 2 2014 How to produce S-tense operators on lattice effect algebras. Zbl 1319.81013Chajda, Ivan; Janda, Jiří; Paseka, Jan 2 2014 Filters of implication reducts of basic algebras. Zbl 1328.06011Chajda, Ivan 1 2014 Variety of orthomodular posets. Zbl 1324.06010Chajda, Ivan; Kolaŕık, Miroslav 1 2014 A structure of BCI-algebras. Zbl 1302.81032Chajda, Ivan 1 2014 Ideals and congruences of basic algebras. Zbl 1271.03087Chajda, Ivan; Kühr, Jan 11 2013 Spaces of abstract events. Zbl 1270.81010Chajda, Ivan; Länger, Helmut 5 2013 Skew residuated lattices. Zbl 1284.03278Chajda, I.; Krňávek, J. 4 2013 Tolerances as images of congruences in varieties defined by linear identities. Zbl 1287.08003Chajda, Ivan; Czédli, Gábor; Halaš, Radomír; Lipparini, Paolo 4 2013 Finitely generated varieties of distributive effect algebras. Zbl 1296.03037Chajda, Ivan; Kühr, Jan 4 2013 Independent joins of tolerance factorable varieties. Zbl 1295.08006Chajda, Ivan; Czédli, Gábor; Halaš, Radomír 4 2013 Groupoids assigned to relational systems. Zbl 1274.08002Chajda, Ivan; Länger, Helmut 2 2013 Weak lattices. Zbl 1329.06001Chajda, Ivan; Länger, Helmut 1 2013 On realization of partially ordered abelian groups. Zbl 1270.81011Chajda, Ivan; Paseka, Jan; Qiang, Lei 1 2013 Dynamic effect algebras and their representations. Zbl 1318.03059Chajda, Ivan; Paseka, Jan 15 2012 Dynamic effect algebras. Zbl 1324.03026Chajda, Ivan; Kolařík, Miroslav 14 2012 Basic algebras and their applications an overview. Zbl 1280.06004Chajda, Ivan 9 2012 Lattice-like structures derived from rings. Zbl 1321.06011Chajda, Ivan; Švrček, Filip 2 2012 Very true operators in effect algebras. Zbl 1255.03055Chajda, Ivan; Kolařík, Miroslav 2 2012 The variety of modular basic algebras generated by MV-chains and horizontal sums of three-element chain basic algebras. Zbl 1261.03173Chajda, Ivan; Halaš, Radomír 2 2012 Congruences on directoids. Zbl 1299.06001Chajda, Ivan; Krňávek, Jan; Länger, Helmut 1 2012 Pseudocomplemented and Stone posets. Zbl 1302.06001Chajda, Ivan 1 2012 A non-associative generalization of effect algebras. Zbl 1267.03061Chajda, Ivan; Länger, Helmut 1 2012 A generalization of effect algebras and ortholattices. Zbl 1274.03099Chajda, Ivan; Kühr, Jan 1 2012 A representation of weak effect algebras. Zbl 1274.03098Chajda, Ivan 1 2012 Symmetric differences on posets with an antitone involution. Zbl 1264.06002Chajda, Ivan; Länger, Helmut 1 2012 Tense operators on basic algebras. Zbl 1246.81014Botur, M.; Chajda, I.; Halaš, R.; Kolařík, M. 18 2011 Algebraic axiomatization of tense intuitionistic logic. Zbl 1260.03113Chajda, Ivan 15 2011 Directoids. An algebraic approach to ordered sets. Zbl 1254.06002Chajda, Ivan; Länger, Helmut 10 2011 Effect algebras are conditionally residuated structures. Zbl 1247.03134Chajda, Ivan; Halaš, Radomír 8 2011 Hedges and successors in basic algebras. Zbl 1254.03118Chajda, Ivan 3 2011 There exist subdirectly irreducible commutative basic algebras of an arbitrary infinite cardinality which are not MV-algebras. Zbl 1216.06008Botur, Michal; Chajda, Ivan 2 2011 The rings which are Boolean. Zbl 1262.06005Chajda, Ivan; Švrček, Filip 1 2011 Completeness of order algebras. Zbl 1236.08004Chajda, Ivan; Halaš, Radomír; Machida, Hajime 1 2011 Are basic algebras residuated structures? Zbl 1188.03048Botur, Michal; Chajda, Ivan; Halaš, Radomír 8 2010 Pseudo-effect algebras as total algebras. Zbl 1204.81007Chajda, Ivan; Kühr, Jan 4 2010 Implication and equivalential reducts of basic algebras. Zbl 1235.06010Chajda, Ivan; Kolařík, Miroslav; Švrček, Filip 3 2010 Quotients and homomorphisms of relational systems. Zbl 1241.08001Chajda, Ivan; Länger, Helmut 2 2010 Effect-like algebras induced by means of basic algebras. Zbl 1224.03041Chajda, Ivan 2 2010 A polynomial representation of bounded lattices with an antitone involution. Zbl 1243.06007Chajda, Ivan; Eigenthaler, Günther 1 2010 On the role of logical connectives for primality and functional completeness of algebras of logics. Zbl 1206.03059Chajda, I.; Halaš, R.; Rosenberg, I. G. 1 2010 Many-valued quantum algebras. Zbl 1219.06013Chajda, Ivan; Halaš, Radomír; Kühr, Jan 45 2009 Independence of axiom system of basic algebras. Zbl 1178.06007Chajda, Ivan; Kolařík, Miroslav 22 2009 Every effect algebra can be made into a total algebra. Zbl 1192.03048Chajda, I.; Halaš, R.; Kühr, J. 14 2009 Horizontal sums of basic algebras. Zbl 1194.06005Chajda, Ivan 4 2009 Functional completeness of weak logics with the strict negation? Zbl 1236.03049Chajda, Ivan; Halaš, Radomír 2 2009 Direct decompositions of basic algebras and their idempotent modifications. Zbl 1203.03090Chajda, Ivan; Kolařík, Miroslav 2 2009 Horizontal sums of bounded lattices. Zbl 1199.06030Chajda, Ivan; Länger, Helmut 2 2009 Action algebras. Zbl 1266.06010Chajda, Ivan; Länger, Helmut 1 2009 Interval basic algebra. Zbl 1225.03091Chajda, Ivan; Kolařík, Miroslav 1 2009 Relatively pseudocomplemented directoids. Zbl 1212.06004Chajda, I. 1 2009 A Cayley theorem for distributive lattices. Zbl 1186.06005Chajda, Ivan; Länger, Helmut 1 2009 A Cayley theorem for algebras with binary and nullary operations. Zbl 1199.08001Chajda, Ivan; Länger, Helmut 1 2009 ...and 208 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 308 Authors 201 Chajda, Ivan 44 Länger, Helmut M. 41 Halaš, Radomír 23 Kühr, Jan 21 Paseka, Jan 15 Ledda, Antonio 14 Botur, Michal 14 Czédli, Gábor 14 Kolařík, Miroslav 14 Paoli, Francesco 13 Pondělíček, Bedřich 10 Zelinka, Bohdan 9 Duda, Jaromír 9 Pinus, Aleksandr Georgievich 9 Radeleczki, Sándor 7 Spinks, Matthew 6 Figallo, Aldo Victorio 6 Giuntini, Roberto 6 Niederle, Josef 6 Pelaitay, Gustavo 6 Rachůnek, Jiří 6 Raftery, James G. 6 Šešelja, Branimir 5 Celani, Sergio Arturo 5 Joshi, Vinayak V. 5 Krňávek, Jan 5 Rao, M. Sambasiva 5 Tepavčević, Andreja 4 Borumand Saeid, Arsham 4 Cīrulis, Jānis 4 Freytes, Hector 4 González, Luciano Javier 4 Kharat, Vilas S. 4 Nieminen, Juhani 4 Pascual, Inés B. 4 Pulmannová, Sylvia 4 Reading, Nathan 4 Schweigert, Dietmar 4 Shewale, R. S. 4 Ursini, Aldo 3 Bělohlávek, Radim 3 Blok, Willem Johannes 3 Borzooei, Rajb Ali 3 Calomino, Ismael 3 Ciungu, Lavinia Corina 3 Dudek, Wiesław Aleksander 3 Eigenthaler, Günther 3 Hoefnagel, Michael Anton 3 Kaarli, Kalle 3 Kowalski, Tomasz Marek 3 Li, Qingguo 3 Mani, Anandi 3 Molkhasi, Ali 3 Rezaei, Akbar 3 Rosenberg, Ivo G. 3 Shum, Kar-Ping 3 Vinceková, Elena 2 Adams, Michael E. 2 Agliano, Paolo 2 Beazer, Rod 2 Bonzio, Stefano 2 Borzooei, Rajab Ali 2 Budimirović, Branka 2 Budimirović, Vjekoslav 2 Cabrer, Leonardo Manuel 2 Couceiro, Miguel 2 Denecke, Klaus Dieter 2 Dorfer, Gerhard 2 Dvurečenskij, Anatolij 2 Foulis, David James 2 Grygiel, Joanna 2 Horváth, Eszter K. 2 Jakubík, Ján 2 Jakubíková-Studenovská, Danica 2 Janda, Jiří 2 Janowitz, Melvin F. 2 Kadji, Albert 2 Kitpratyakul, Pongsakorn 2 Kotrle, M. 2 Lata, A. N. 2 Lele, Celestin 2 Lihová, Judita 2 Maczynski, Maciej J. 2 Nganou, Jean Bernard 2 Pibaljommee, Bundit 2 Pixley, Alden F. 2 Pocs, Jozef 2 Pöschel, Reinhard 2 Radelecki, Sándor 2 Riečanová, Zdenka 2 Rodelo, Diana 2 Salibra, Antonino 2 Sharafi, Amir Hossein 2 Šlapal, Josef 2 Solovyov, Sergey A. 2 Švrček, Filip 2 Szymanska, Magdalena 2 Usol’tsev, V. L. 2 Veroff, Robert 2 Vitolo, Paolo ...and 208 more Authors all top 5 Cited in 75 Serials 80 Czechoslovak Mathematical Journal 50 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 50 Mathematica Slovaca 49 Soft Computing 44 Algebra Universalis 25 Fuzzy Sets and Systems 23 International Journal of Theoretical Physics 23 Asian-European Journal of Mathematics 19 Order 12 Information Sciences 10 Studia Logica 8 Discrete Mathematics 8 Journal of Algebra 8 Central European Journal of Mathematics 5 Acta Mathematica Hungarica 4 Archive for Mathematical Logic 4 Journal of Multiple-Valued Logic and Soft Computing 3 Kybernetika 3 Bulletin of the Section of Logic 3 International Journal of Algebra and Computation 3 Algebra Colloquium 3 Iranian Journal of Fuzzy Systems 3 Chebyshevskiĭ Sbornik 3 Open Mathematics 2 Reports on Mathematical Physics 2 Algebra and Logic 2 Journal of Pure and Applied Algebra 2 Journal of Soviet Mathematics 2 Proceedings of the American Mathematical Society 2 Semigroup Forum 2 International Journal of Approximate Reasoning 2 Journal of Mathematical Sciences (New York) 2 Journal of Applied Logic 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 Bulletin of the Australian Mathematical Society 1 Communications in Algebra 1 Indian Journal of Pure & Applied Mathematics 1 Periodica Mathematica Hungarica 1 Advances in Mathematics 1 Demonstratio Mathematica 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Combinatorial Theory. 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Symmetry, Integrability and Geometry: Methods and Applications 1 Mathematics in Computer Science 1 Advances in Decision Sciences 1 Ufimskiĭ Matematicheskiĭ Zhurnal 1 Journal of Mathematics 1 Topological Algebra and its Applications 1 Algebra 1 Journal of Siberian Federal University. 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