Edit Profile (opens in new tab) Chajda, Ivan Compute Distance To: Compute Author ID: chajda.ivan Published as: Chajda, Ivan; Chajda, I. Homepage: http://www.kag.upol.cz/vizitka/chajda/ External Links: MGP · ORCID · ResearchGate · dblp · GND Documents Indexed: 535 Publications since 1973, including 7 Books 6 Contributions as Editor Reviewing Activity: 570 Reviews Co-Authors: 68 Co-Authors with 359 Joint Publications 1,210 Co-Co-Authors all top 5 Co-Authors 182 single-authored 121 Länger, Helmut M. 64 Halaš, Radomír 32 Kolařík, Miroslav 25 Eigenthaler, Günther 24 Kühr, Jan 20 Paseka, Jan 17 Zelinka, Bohdan 10 Czédli, Gábor 9 Emanovský, Petr 9 Ledda, Antonio 9 Radeleczki, Sándor 8 Rosenberg, Ivo G. 7 Bělohlávek, Radim 7 Švrček, Filip 6 Duda, Jaromír 6 Fazio, Davide 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 Goldstern, Martin Robert 2 Graczyńska, Ewa Wanda 2 Hošková-Mayerová, Šárka 2 Padmanabhan, Ranganathan 2 Paoli, Francesco 1 Cīrulis, Jānis 1 Dalik, Josef 1 Denisov, A. Yu. 1 Droste, Manfred 1 Dušek, Kamil 1 Emir, Kadir 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 Mesiar, Radko 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 44 Mathematica Slovaca 33 Soft Computing 28 Discussiones Mathematicae. General Algebra and Applications 25 Archivum Mathematicum 25 Mathematica Bohemica 24 Algebra Universalis 19 Acta Scientiarum Mathematicarum 17 Demonstratio Mathematica 16 International Journal of Theoretical Physics 16 Miskolc Mathematical Notes 14 Asian-European Journal of Mathematics 12 Časopis Pro Pěstování Matematiky 11 Journal of Multiple-Valued Logic and Soft Computing 9 Commentationes Mathematicae Universitatis Carolinae 9 Order 7 Fuzzy Sets and Systems 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 Italian Journal of Pure and Applied Mathematics 5 Contributions to General Algebra 4 Acta Universitatis Matthiae Belii. Series Mathematics 4 Logic Journal of the IGPL 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 Journal of Logic and Computation 3 Glasnik Matematički. Serija III 3 East-West Journal of Mathematics 3 Central European Journal of Mathematics 2 Information Sciences 2 Publicationes Mathematicae Debrecen 2 Semigroup Forum 2 Studia Scientiarum Mathematicarum Hungarica 2 Anzeiger. Abteilung II. Österreichische Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse 2 Multiple-Valued Logic 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 Houston Journal of Mathematics 1 Linear and Multilinear Algebra 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 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 Mathematics for Applications 1 Topological Algebra and its Applications all top 5 Fields 330 Order, lattices, ordered algebraic structures (06-XX) 293 General algebraic systems (08-XX) 150 Mathematical logic and foundations (03-XX) 35 Associative rings and algebras (16-XX) 34 Quantum theory (81-XX) 27 Group theory and generalizations (20-XX) 9 Commutative algebra (13-XX) 6 General and overarching topics; collections (00-XX) 6 Computer science (68-XX) 2 Field theory and polynomials (12-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Nonassociative rings and algebras (17-XX) 2 Category theory; homological algebra (18-XX) 1 History and biography (01-XX) 1 Geometry (51-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 326 Publications have been cited 1,342 times in 590 Documents Cited by ▼ Year ▼ Many-valued quantum algebras. Zbl 1219.06013Chajda, Ivan; Halaš, Radomír; Kühr, Jan 53 2009 Congruence classes in universal algebra. Zbl 1014.08001Chajda, Ivan; Eigenthaler, Günther; Länger, Helmut 35 2003 Semilattice structures. Zbl 1117.06001Chajda, Ivan; Halaš, Radomír; Kühr, Jan 33 2007 Independence of axiom system of basic algebras. Zbl 1178.06007Chajda, Ivan; Kolařík, Miroslav 26 2009 Algebraic theory of tolerance relations. Zbl 0747.08001Chajda, Ivan 25 1991 Forbidden configurations for distributive and modular ordered sets. Zbl 0674.06003Chajda, Ivan; Rachůnek, Jiří 24 1989 Lattices of tolerances. Zbl 0354.08011Chajda, Ivan; Zelinka, Bohdan 24 1977 On existence conditions for compatible tolerances. Zbl 0333.08006Chajda, Ivan; Niederle, Josef; Zelinka, Bohdan 21 1976 Lattices of compatible relations. Zbl 0372.08002Chajda, Ivan 21 1977 Tense operators on basic algebras. Zbl 1246.81014Botur, M.; Chajda, I.; Halaš, R.; Kolařík, M. 20 2011 Distributive lattices with sectionally antitone involutions. Zbl 1099.06006Chajda, I.; Halaš, R.; Kühr, J. 19 2005 Algebraic axiomatization of tense intuitionistic logic. Zbl 1260.03113Chajda, Ivan 18 2011 Nearlattices. Zbl 1151.06004Chajda, I.; Kolařík, M. 18 2008 Every effect algebra can be made into a total algebra. Zbl 1192.03048Chajda, I.; Halaš, R.; Kühr, J. 16 2009 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 16 2012 Dynamic effect algebras. Zbl 1324.03026Chajda, Ivan; Kolařík, Miroslav 15 2012 Ideals and congruences of basic algebras. Zbl 1271.03087Chajda, Ivan; Kühr, Jan 15 2013 Normally presented varieties. Zbl 0842.08007Chajda, I. 14 1995 Bounded lattices with antitone involutions and properties of MV-algebras. Zbl 1082.03055Chajda, Ivan; Emanovský, Peter 14 2004 Complemented ordered sets. Zbl 0785.06002Chajda, Ivan 14 1992 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 Are basic algebras residuated structures? Zbl 1188.03048Botur, Michal; Chajda, Ivan; Halaš, Radomír 12 2010 Annihilators and deductive systems in commutative Hilbert algebras. Zbl 1070.03043Chajda, I.; Halaš, R.; Jun, Y. B. 12 2002 Congruences in ordered sets. Zbl 0897.06004Chajda, Ivan; Snášel, Václav 12 1998 Directoids. An algebraic approach to ordered sets. Zbl 1254.06002Chajda, Ivan; Länger, Helmut 12 2011 Lattices and semilattices having an antitone involution in every upper interval. Zbl 1101.06003Chajda, Ivan 11 2003 Tolerance trivial algebras and varieties. Zbl 0534.08001Chajda, Ivan 11 1983 Quasiorders on universal algebras. Zbl 0824.08002Pinus, A. G.; Chajda, I. 11 1993 Orthomodular implication algebras. Zbl 0992.06008Chajda, Ivan; Halaš, Radomír; Länger, Helmut 11 2001 Residuation in orthomodular lattices. Zbl 1404.06009Chajda, Ivan; Länger, Helmut 11 2017 A Mal’cev condition for congruence principal permutable varieties. Zbl 0552.08006Chajda, Ivan 10 1984 Orthomodular lattices can be converted into left residuated l-groupoids. Zbl 1399.06020Chajda, Ivan; Länger, Helmut 10 2017 Basic algebras and their applications an overview. Zbl 1280.06004Chajda, Ivan 10 2012 Effect algebras are conditionally residuated structures. Zbl 1247.03134Chajda, Ivan; Halaš, Radomír 10 2011 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 Ideals and the binary discriminator in universal algebra. Zbl 0979.08001Chajda, I.; Halaš, R.; Rosenberg, I. G. 9 1999 Algebraic approach to tense operators. Zbl 1350.03002Chajda, Ivan; Paseka, Jan 9 2015 A non-associative generalization of MV-algebras. Zbl 1150.06012Chajda, Ivan; Kühr, Jan 9 2007 Congruences and ideals in Hilbert algebras. Zbl 0954.08002Chajda, I.; Halaš, R. 8 1999 Basic algebras, logics, trends and applications. Zbl 1330.06006Chajda, Ivan 8 2015 Sheffer operation in ortholattices. Zbl 1091.06007Chajda, Ivan 7 2005 A note on interval MV-algebras. Zbl 1164.06010Chajda, Ivan; Kühr, Jan 7 2006 Trapezoid lemma and congruence distributivity. Zbl 1058.08007Chajda, Ivan; Czédli, Gábor; Horváth, Eszter K. 7 2003 Regularity and permutability of congruences. Zbl 0449.08007Chajda, Ivan 7 1980 Lattices in quasiordered sets. Zbl 0773.06002Chajda, Ivan 7 1992 Ideals, congruences and annihilators on nearlattices. Zbl 1147.06002Chajda, Ivan; Kolařík, Miroslav 7 2007 Monadic basic algebras. Zbl 1172.06006Chajda, Ivan; Kolařík, Miroslav 6 2008 Residuation in modular lattices and posets. Zbl 1491.06014Chajda, Ivan; Länger, Helmut 6 2019 Coherence, regularity and permutability of congruences. Zbl 0537.08006Chajda, Ivan 6 1983 Congruence distributivity in varieties with constants. Zbl 0615.08005Chajda, Ivan 6 1986 Simple axioms for orthomodular implication algebras. Zbl 1064.06003Chajda, Ivan; Halaš, Radomír; Länger, Helmut 6 2004 An example of a congruence distributive variety having no near-unanimity term. Zbl 1132.08002Chajda, I.; Halaš, R. 6 2006 A basic algebra is an MV-algebra if and only if it is a BCC-algebra. Zbl 1145.06003Chajda, I.; Halaš, R. 6 2008 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 The lattice of deductive systems on Hilbert algebras. Zbl 1010.03054Chajda, Ivan 6 2002 Varieties of lattice effect algebras generated by four-element members. Zbl 1174.06305Chajda, Ivan; Halaš, Radomír 6 2008 Algebraic properties of pre-logics. Zbl 1007.08003Chajda, Ivan; Halaš, Radomír 5 2002 A note on residuated lattices with globalization. Zbl 1099.06008Chajda, Ivan; Vychodil, Vilém 5 2006 An implication in orthologic. Zbl 1104.81017Chajda, I.; Halaš, R. 5 2005 A triangular scheme for congruence distributivity. Zbl 0997.08001Chajda, Ivan; Horváth, Eszter K. 5 2002 Direct decomposability of tolerances on lattices, semilattices and quasilattices. Zbl 0491.08003Chajda, Ivan; Nieminen, Juhani 5 1982 On varieties defined by pseudocomplemented nondistributive lattices. Zbl 1047.06004Chajda, I.; Radeleczki, S. 5 2003 An extension of relative pseudocomplementation to non-distributive lattices. Zbl 1048.06005Chajda, Ivan 5 2003 A characterization of distributive lattices by tolerance lattices. Zbl 0439.06008Chajda, Ivan 5 1979 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 Pseudosemirings induced by ortholattices. Zbl 0879.06003Chajda, Ivan 5 1996 Indexed annihilators in ordered sets. Zbl 0843.06002Halaš, Radomír; Chajda, Ivan 5 1995 Dynamic order algebras as an axiomatization of modal and tense logics. Zbl 1329.81092Chajda, Ivan; Paseka, Jan 5 2015 Spaces of abstract events. Zbl 1270.81010Chajda, Ivan; Länger, Helmut 5 2013 Orthomodular semilattices. Zbl 1109.06007Chajda, Ivan 4 2007 The shifting lemma and shifting lattice identities. Zbl 1091.08006Chajda, Ivan; Czédli, Gábor; Horváth, Eszter K. 4 2003 Filters and annihilators in implication algebras. Zbl 0967.03059Chajda, Ivan; Halaš, Radomír; Zedník, Josef 4 1998 A representation of basic algebras by coupled right near semirings. Zbl 1363.03037Chajda, Ivan; Länger, Helmut 4 2015 Representing quantum structures as near semirings. Zbl 1405.06007Bonzio, Stefano; Chajda, Ivan; Ledda, Antonio 4 2016 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 A note on the triangular scheme. Zbl 1007.08002Chajda, Ivan 4 2001 Distributive implication groupoids. Zbl 1134.03042Chajda, Ivan; Halaš, Radomir 4 2007 Algebraic structures derived from BCK-algebras. Zbl 1135.03349Chajda, Ivan; Kühr, Jan 4 2007 A decomposition of homomorphic images of nearlattices. Zbl 1123.06002Chajda, Ivan; Kolařík, Miroslav 4 2006 The egg-box property of congruences. Zbl 0649.08002Chajda, Ivan 4 1988 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 Weak coherence of congruences. Zbl 0796.08003Chajda, Ivan 4 1991 A note on orthomodular lattices. Zbl 1387.81013Bonzio, Stefano; Chajda, Ivan 4 2017 Residuated relational systems. Zbl 1403.08001Bonzio, Stefano; Chajda, Ivan 4 2018 Commutative basic algebras and coupled near semirings. Zbl 1382.06002Chajda, Ivan; Länger, Helmut 4 2015 Multiplicatively idempotent semirings. Zbl 1345.16046Chajda, Ivan; Länger, Helmut; Švrček, Filip 4 2015 Finitely generated varieties of distributive effect algebras. Zbl 1296.03037Chajda, Ivan; Kühr, Jan 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 Remarks on Jónsson’s lemma. Zbl 0871.08004Chajda, I.; Rosenberg, I. G. 4 1996 Weakly orthomodular and dually weakly orthomodular lattices. Zbl 1441.06005Chajda, Ivan; Länger, Helmut 4 2018 The join of the variety of MV-algebras and the variety of orthomodular lattices. Zbl 1329.81099Kühr, Jan; Chajda, Ivan; Halaš, Radomír 4 2015 Residuated operators in complemented posets. Zbl 1491.06005Chajda, Ivan; Länger, Helmut 4 2018 Relatively residuated lattices and posets. Zbl 07289637Chajda, Ivan; Kühr, Jan; Länger, Helmut 3 2020 Algebraic aspects of relatively pseudocomplemented posets. Zbl 1481.06020Chajda, Ivan; Länger, Helmut; Paseka, Jan 3 2020 Residuation in lattice effect algebras. Zbl 1464.03095Chajda, Ivan; Länger, Helmut 3 2020 Lattices of subspaces of vector spaces with orthogonality. Zbl 1455.06006Chajda, Ivan; Länger, Helmut 1 2020 Residuation in modular lattices and posets. Zbl 1491.06014Chajda, Ivan; Länger, Helmut 6 2019 The lattice of subspaces of a vector space over a finite field. Zbl 1475.06003Chajda, Ivan; Länger, Helmut 3 2019 Operations and structures derived from non-associative MV-algebras. Zbl 1418.06007Chajda, Ivan; Halaš, Radomir; Länger, Helmut 3 2019 Left residuated operators induced by posets with a unary operation. Zbl 1446.06005Chajda, Ivan; Länger, Helmut 2 2019 Commutative rings whose ideal lattices are complemented. Zbl 1417.13001Chajda, Ivan; Länger, Helmut 1 2019 Residuated relational systems. Zbl 1403.08001Bonzio, Stefano; Chajda, Ivan 4 2018 Weakly orthomodular and dually weakly orthomodular lattices. Zbl 1441.06005Chajda, Ivan; Länger, Helmut 4 2018 Residuated operators in complemented posets. Zbl 1491.06005Chajda, Ivan; Länger, Helmut 4 2018 A note on homomorphisms between products of algebras. Zbl 06904410Chajda, Ivan; Goldstern, Martin; Länger, Helmut 3 2018 Weakly orthomodular and dually weakly orthomodular posets. Zbl 1386.06009Chajda, Ivan; Länger, Helmut 2 2018 Ideals of direct products of rings. Zbl 1396.13003Chajda, Ivan; Eigenthaler, Günther; Länger, Helmut 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 2 2018 Residuation in non-associative MV-algebras. Zbl 06990749Chajda, Ivan; Länger, Helmut 2 2018 On the structure theory of Łukasiewicz near semirings. Zbl 1499.06056Chajda, Ivan; Fazio, Davide; Ledda, Antonio 2 2018 Relatively pseudocomplemented posets. Zbl 1463.06006Chajda, Ivan; Länger, Helmut 2 2018 Single identities forcing lattices to be Boolean. Zbl 1475.06004Chajda, Ivan; Länger, Helmut; Padmanabhan, Ranganathan 1 2018 A representation of residuated lattices satisfying the double negation law. Zbl 1398.03213Chajda, Ivan 1 2018 The variety of commutative additively and multiplicatively idempotent semirings. Zbl 1393.16039Chajda, Ivan; Länger, Helmut 1 2018 Residuation in orthomodular lattices. Zbl 1404.06009Chajda, Ivan; Länger, Helmut 11 2017 Orthomodular lattices can be converted into left residuated l-groupoids. Zbl 1399.06020Chajda, Ivan; Länger, Helmut 10 2017 A note on orthomodular lattices. Zbl 1387.81013Bonzio, Stefano; Chajda, Ivan 4 2017 Properties of non-associative MV-algebras. Zbl 06786766Chajda, Ivan; Länger, Helmut M. 3 2017 Lattices with unique complementation. Zbl 1389.06026Chajda, Ivan; Padmanabhan, R. 2 2017 A note on residuated po-groupoids and lattices with antitone involutions. Zbl 1424.03073Chajda, Ivan; Kühr, Jan 2 2017 A representation of lattice effect algebras by means of right near semirings with involution. Zbl 1387.81014Chajda, Ivan; Länger, Helmut 1 2017 Coupled right orthosemirings induced by orthomodular lattices. Zbl 1373.06007Chajda, Ivan; Länger, Helmut 1 2017 On a variety of commutative multiplicatively idempotent semirings. Zbl 1397.16042Chajda, Ivan; Länger, Helmut 1 2017 De Morgan algebras with tense operators. Zbl 1398.06008Chajda, Ivan; Paseka, Jan 1 2017 Basic algebras, logics, trends and applications. Zbl 1399.06001Chajda, Ivan 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 Near semirings and semirings with involution. Zbl 1389.16095Chajda, Ivan; Länger, Helmut 3 2016 An approach to orthomodular lattices via lattices with an antitone involution. Zbl 1399.06021Chajda, Ivan; Radeleczki, Sándor 2 2016 General coupled semirings of residuated lattices. Zbl 1403.03134Chajda, Ivan; Länger, Helmut 2 2016 Groupoids corresponding to relational systems. Zbl 1389.08001Chajda, Ivan; Länger, Helmut 2 2016 Orthogonal relational systems. Zbl 1400.08001Bonzio, Stefano; Chajda, Ivan; Ledda, Antonio 2 2016 A note on pseudo-Kleene algebras. Zbl 1431.06003Chajda, Ivan 2 2016 Transition operators assigned to physical systems. Zbl 1386.81010Chajda, Ivan; Paseka, Jan 2 2016 Relational systems with involution. Zbl 1351.08001Chajda, Ivan; Länger, Helmut 1 2016 Involutive right-residuated l-groupoids. Zbl 1370.03083Chajda, Ivan; Radeleczki, Sándor 1 2016 A triple representation of lattice effect algebras. Zbl 1399.03025Chajda, Ivan; Länger, Helmut 1 2016 An ordered structure of pseudo-BCI-algebras. Zbl 1389.06044Chajda, Ivan; Länger, Helmut 1 2016 Algebraic approach to tense operators. Zbl 1350.03002Chajda, Ivan; Paseka, Jan 9 2015 Basic algebras, logics, trends and applications. Zbl 1330.06006Chajda, Ivan 8 2015 Dynamic order algebras as an axiomatization of modal and tense logics. Zbl 1329.81092Chajda, Ivan; Paseka, Jan 5 2015 A representation of basic algebras by coupled right near semirings. Zbl 1363.03037Chajda, Ivan; Länger, Helmut 4 2015 Commutative basic algebras and coupled near semirings. Zbl 1382.06002Chajda, Ivan; Länger, Helmut 4 2015 Multiplicatively idempotent semirings. Zbl 1345.16046Chajda, Ivan; Länger, Helmut; Švrček, Filip 4 2015 The join of the variety of MV-algebras and the variety of orthomodular lattices. Zbl 1329.81099Kühr, Jan; Chajda, Ivan; Halaš, Radomír 4 2015 On some properties of directoids. Zbl 1350.06002Chajda, Ivan; Gil-Férez, J.; Giuntini, R.; Kolařík, Miroslav; Ledda, Antonio; Paoli, F. 3 2015 Tense operators in fuzzy logic. Zbl 1373.03033Chajda, Ivan; Paseka, Jan 3 2015 The propositional logic induced by means of basic algebras. Zbl 1329.81091Chajda, I. 3 2015 On varieties of basic algebras. Zbl 1350.06005Chajda, Ivan; Halaš, Radomír 2 2015 Orthomodular posets can be organized as conditionally residuated structures. Zbl 1320.06003Chajda, Ivan; Länger, Helmut 3 2014 An algebraic axiomatization of orthogonal posets. Zbl 1329.06003Chajda, Ivan 3 2014 How to produce S-tense operators on lattice effect algebras. Zbl 1319.81013Chajda, Ivan; Janda, Jiří; Paseka, Jan 2 2014 A representation of skew effect algebras. Zbl 1349.03088Chajda, Ivan 2 2014 A structure of BCI-algebras. Zbl 1302.81032Chajda, Ivan 1 2014 Variety of orthomodular posets. Zbl 1324.06010Chajda, Ivan; Kolaŕık, Miroslav 1 2014 Filters of implication reducts of basic algebras. Zbl 1328.06011Chajda, Ivan 1 2014 Ideals and congruences of basic algebras. Zbl 1271.03087Chajda, Ivan; Kühr, Jan 15 2013 Spaces of abstract events. Zbl 1270.81010Chajda, Ivan; Länger, Helmut 5 2013 Finitely generated varieties of distributive effect algebras. Zbl 1296.03037Chajda, Ivan; Kühr, Jan 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 Independent joins of tolerance factorable varieties. Zbl 1295.08006Chajda, Ivan; Czédli, Gábor; Halaš, Radomír 4 2013 Skew residuated lattices. Zbl 1284.03278Chajda, I.; Krňávek, J. 4 2013 Groupoids assigned to relational systems. Zbl 1274.08002Chajda, Ivan; Länger, Helmut 2 2013 Pseudo basic algebras. Zbl 1394.06019Chajda, Ivan; Kolařík, Miroslav; Křnávek, Jan 1 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 16 2012 Dynamic effect algebras. Zbl 1324.03026Chajda, Ivan; Kolařík, Miroslav 15 2012 Basic algebras and their applications an overview. Zbl 1280.06004Chajda, Ivan 10 2012 Very true operators in effect algebras. Zbl 1255.03055Chajda, Ivan; Kolařík, Miroslav 3 2012 Symmetric differences on posets with an antitone involution. Zbl 1264.06002Chajda, Ivan; Länger, Helmut 2 2012 Lattice-like structures derived from rings. Zbl 1321.06011Chajda, Ivan; Švrček, Filip 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 A representation of weak effect algebras. Zbl 1274.03098Chajda, Ivan 1 2012 A generalization of effect algebras and ortholattices. Zbl 1274.03099Chajda, Ivan; Kühr, Jan 1 2012 A non-associative generalization of effect algebras. Zbl 1267.03061Chajda, Ivan; Länger, Helmut 1 2012 Congruences on directoids. Zbl 1299.06001Chajda, Ivan; Krňávek, Jan; Länger, Helmut 1 2012 Pseudocomplemented and Stone posets. Zbl 1302.06001Chajda, Ivan 1 2012 Tense operators on basic algebras. Zbl 1246.81014Botur, M.; Chajda, I.; Halaš, R.; Kolařík, M. 20 2011 Algebraic axiomatization of tense intuitionistic logic. Zbl 1260.03113Chajda, Ivan 18 2011 Directoids. An algebraic approach to ordered sets. Zbl 1254.06002Chajda, Ivan; Länger, Helmut 12 2011 Effect algebras are conditionally residuated structures. Zbl 1247.03134Chajda, Ivan; Halaš, Radomír 10 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 On double basic algebras and pseudo-effect algebras. Zbl 1235.06012Chajda, Ivan; Kolařík, Miroslav; Kühr, Jan 1 2011 Completeness of order algebras. Zbl 1236.08004Chajda, Ivan; Halaš, Radomír; Machida, Hajime 1 2011 The rings which are Boolean. Zbl 1262.06005Chajda, Ivan; Švrček, Filip 1 2011 Are basic algebras residuated structures? Zbl 1188.03048Botur, Michal; Chajda, Ivan; Halaš, Radomír 12 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 Effect-like algebras induced by means of basic algebras. Zbl 1224.03041Chajda, Ivan 2 2010 Quotients and homomorphisms of relational systems. Zbl 1241.08001Chajda, Ivan; Länger, Helmut 2 2010 ...and 226 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 358 Authors 214 Chajda, Ivan 54 Länger, Helmut M. 43 Halaš, Radomír 23 Kühr, Jan 23 Paseka, Jan 16 Ledda, Antonio 15 Botur, Michal 15 Kolařík, Miroslav 15 Paoli, Francesco 14 Czédli, Gábor 13 Pondělíček, Bedřich 10 Borumand Saeid, Arsham 10 Zelinka, Bohdan 9 Duda, Jaromír 9 Pinus, Aleksandr Georgievich 9 Radeleczki, Sándor 8 Celani, Sergio Arturo 8 Ciungu, Lavinia Corina 8 González, Luciano Javier 8 Pelaitay, Gustavo 7 Cīrulis, Jānis 7 Figallo, Aldo Victorio 7 Jun, Young Bae 7 Rachůnek, Jiří 7 Spinks, Matthew 6 Bandaru, Ravikumar 6 Calomino, Ismael 6 Giuntini, Roberto 6 Niederle, Josef 6 Raftery, James G. 6 Rezaei, Akbar 6 Šešelja, Branimir 5 Joshi, Vinayak V. 5 Krňávek, Jan 5 Pascual, Inés B. 5 Tepavčević, Andreja 4 Abdelwanis, Ahmed Yunis 4 Freytes, Hector 4 Hoefnagel, Michael Anton 4 Jipsen, Peter 4 Kharat, Vilas S. 4 Li, Qingguo 4 Molkhasi, Ali 4 Oner, Tahsin 4 Pulmannová, Sylvia 4 Reading, Nathan 4 Schweigert, Dietmar 4 Shewale, R. S. 4 Ursini, Aldo 3 Addis, Gezahagne Mulat 3 Bělohlávek, Radim 3 Blok, Willem Johannes 3 Borzooei, Rajab Ali 3 Castiglioni, José Luis 3 Dudek, Wiesław Aleksander 3 Eigenthaler, Günther 3 Fazio, Davide 3 Janelidze, Zurab 3 Kaarli, Kalle 3 Katican, Tugce 3 Kowalski, Tomasz 3 Nieminen, Juhani 3 Rao, M. Sambasiva 3 Romano, Daniel Abraham 3 Rosenberg, Ivo G. 3 Shum, Kar-Ping 3 Vinceková, Elena 3 Vitolo, Paolo 3 Wu, Yali 3 Yang, Yichuan 2 Agliano, Paolo 2 Beazer, Rod 2 Bonzio, Stefano 2 Borzooei, Rajb Ali 2 Boua, Abdelkarim 2 Budimirović, Branka 2 Budimirović, Vjekoslav 2 Cabrer, Leonardo Manuel 2 Chiaselotti, Giampiero 2 Couceiro, Miguel 2 Denecke, Klaus Dieter 2 Dorfer, Gerhard 2 Dvurečenskij, Anatolij 2 Eslami, Esfandiar 2 Foulis, David James 2 Gentile, Tommaso 2 Grygiel, Joanna 2 Horváth, Eszter K. 2 Jacqmin, Pierre-Alain 2 Jakubík, Ján 2 Jakubíková-Studenovská, Danica 2 Janda, Jiří 2 Janowitz, Melvin F. 2 Kadji, Albert 2 Khan, Waheed Ahmad 2 Kitpratyakul, Pongsakorn 2 Kotrle, M. 2 Lata, A. N. 2 Lele, Celestin 2 Lihová, Judita ...and 258 more Authors all top 5 Cited in 94 Serials 80 Czechoslovak Mathematical Journal 61 Mathematica Slovaca 59 Soft Computing 50 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 48 Algebra Universalis 28 Fuzzy Sets and Systems 26 Asian-European Journal of Mathematics 24 International Journal of Theoretical Physics 21 Order 12 Information Sciences 12 Studia Logica 9 Discrete Mathematics 9 Journal of Algebra 8 Central European Journal of Mathematics 8 Journal of Multiple-Valued Logic and Soft Computing 6 Archive for Mathematical Logic 5 Acta Mathematica Hungarica 4 International Journal of Algebra and Computation 4 Journal of Mathematics 3 Journal of Pure and Applied Algebra 3 Kybernetika 3 Bulletin of the Section of Logic 3 Algebra Colloquium 3 Journal of Algebra and its Applications 3 Iranian Journal of Fuzzy Systems 3 Chebyshevskiĭ Sbornik 3 Open Mathematics 2 Indian Journal of Pure & Applied Mathematics 2 Reports on Mathematical Physics 2 Algebra and Logic 2 Journal of Soviet Mathematics 2 Proceedings of the American Mathematical Society 2 Semigroup Forum 2 International Journal of Approximate Reasoning 2 Applied Categorical Structures 2 Journal of Mathematical Sciences (New York) 2 Theory and Applications of Categories 2 Kragujevac Journal of Mathematics 2 Journal of Applied Logic 2 Proyecciones 2 Afrika Matematika 2 Algebraic Structures and their Applications 2 Categories and General Algebraic Structures with Applications 2 AIMS Mathematics 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 Bulletin of the Australian Mathematical Society 1 Communications in Algebra 1 Linear and Multilinear Algebra 1 Mathematical Notes 1 Periodica Mathematica Hungarica 1 Acta Scientiarum Mathematicarum 1 Advances in Mathematics 1 Demonstratio Mathematica 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Combinatorial Theory. Series A 1 Journal of the Korean Mathematical Society 1 The Journal of Symbolic Logic 1 Osaka Journal of Mathematics 1 Quaestiones Mathematicae 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Revista de la Unión Matemática Argentina 1 Siberian Mathematical Journal 1 Theoretical Computer Science 1 Graphs and Combinatorics 1 Information and Computation 1 Facta Universitatis. Series Mathematics and Informatics 1 Journal of Automated Reasoning 1 SIAM Journal on Discrete Mathematics 1 Mathematica Bohemica 1 International Journal of Computer Mathematics 1 Journal of Algebraic Combinatorics 1 The Electronic Journal of Combinatorics 1 Boletín de la Sociedad Matemática Mexicana. Third Series 1 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 1 Lobachevskii Journal of Mathematics 1 Journal of Applied Mathematics 1 Portugaliae Mathematica. Nova Série 1 Algebra and Discrete Mathematics 1 Hacettepe Journal of Mathematics and Statistics 1 Journal of the Indonesian Mathematical Society 1 Advances in Difference Equations 1 Foundations of Physics 1 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications 1 Mathematics in Computer Science 1 Logica Universalis 1 JP Journal of Fixed Point Theory and Applications 1 Advances in Decision Sciences 1 Ufimskiĭ Matematicheskiĭ Zhurnal 1 Communications in Mathematics 1 Mathematics for Applications 1 Topological Algebra and its Applications 1 Algebra 1 Journal of Siberian Federal University. Mathematics & Physics 1 The Art of Discrete and Applied Mathematics all top 5 Cited in 24 Fields 392 Order, lattices, ordered algebraic structures (06-XX) 232 Mathematical logic and foundations (03-XX) 216 General algebraic systems (08-XX) 49 Quantum theory (81-XX) 44 Group theory and generalizations (20-XX) 27 Associative rings and algebras (16-XX) 25 Computer science (68-XX) 17 Combinatorics (05-XX) 14 Commutative algebra (13-XX) 13 Category theory; homological algebra (18-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Measure and integration (28-XX) 3 Convex and discrete geometry (52-XX) 3 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Algebraic geometry (14-XX) 2 General topology (54-XX) 2 Operations research, mathematical programming (90-XX) 1 History and biography (01-XX) 1 Number theory (11-XX) 1 Nonassociative rings and algebras (17-XX) 1 Special functions (33-XX) 1 Functional analysis (46-XX) 1 Algebraic topology (55-XX) 1 Statistics (62-XX) Citations by Year