Edit Profile (opens in new tab) Cīrulis, Jānis Compute Distance To: Compute Author ID: cirulis.janis Published as: Cīrulis, Jānis; Cirulis, J.; Cirulis, Janis; Cīrulis, J.; Tsirulis, J. P.; Cirulis, Jānis; Cırulis, Janis; Círulis, Jánis; Cirulis, Jănis; Cīrulis, Jänis; Cırulis, Jānis more...less External Links: ORCID Documents Indexed: 94 Publications since 1966 Reviewing Activity: 316 Reviews Co-Authors: 2 Co-Authors with 3 Joint Publications 67 Co-Co-Authors Co-Authors 91 single-authored 2 Cremer, Insa 1 Chajda, Ivan all top 5 Serials 16 Latviĭskiĭ Matematicheskiĭ Ezhegodnik 7 Bulletin of the Section of Logic 6 Bulletin of the Section of Logic 4 Acta Scientiarum Mathematicarum 4 Zeitschrift für Mathematische Logik und Grundlagen der Mathematik 3 Izvestiya Vysshikh Uchebnykh Zavedeniĭ, Matematika 3 Linear and Multilinear Algebra 3 Demonstratio Mathematica 3 Soviet Mathematics 3 Order 3 Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences 2 Beiträge zur Algebra und Geometrie 2 Algebra Universalis 2 Mathematica Slovaca 2 Central European Journal of Mathematics 2 Topologicheskie Prostranstva i Ikh Otobrazheniya 1 International Journal of Theoretical Physics 1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 1 Časopis Pro Pěstování Matematiky 1 Studia Logica 1 Mathematica Bohemica 1 Novi Sad Journal of Mathematics 1 Fundamenta Informaticae 1 Acta et Commentationes Universitatis Tartuensis de Mathematica 1 Discussiones Mathematicae. General Algebra and Applications 1 Algebra and Discrete Mathematics 1 Journal of Multiple-Valued Logic and Soft Computing 1 Operators and Matrices 1 Asian-European Journal of Mathematics all top 5 Fields 56 Mathematical logic and foundations (03-XX) 51 Order, lattices, ordered algebraic structures (06-XX) 16 General algebraic systems (08-XX) 10 Associative rings and algebras (16-XX) 9 Computer science (68-XX) 5 Group theory and generalizations (20-XX) 5 Operator theory (47-XX) 4 Quantum theory (81-XX) 2 Combinatorics (05-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 General topology (54-XX) 1 Commutative algebra (13-XX) 1 Integral equations (45-XX) 1 Functional analysis (46-XX) 1 Numerical analysis (65-XX) 1 Optics, electromagnetic theory (78-XX) 1 Information and communication theory, circuits (94-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 38 Publications have been cited 90 times in 50 Documents Cited by ▼ Year ▼ Lattice operations on Rickart *-rings under the star order. Zbl 1326.06016Cīrulis, J. 9 2015 Hilbert algebras as implicative partial semilattices. Zbl 1125.03047Cīrulis, Jānis 7 2007 Multipliers in implicative algebras. Zbl 0634.03067Cirulis, Jănis 6 1986 The diamond partial order for strong Rickart rings. Zbl 1383.06005Cīrulis, Jānis 5 2017 Subtractive nearsemilattices. Zbl 1027.06007Cīrulis, Jānis 4 1998 An algebraization of first order logic with terms. Zbl 0746.03053Cīrulis, Jänis 4 1991 Implication in sectionally pseudocomplemented posets. Zbl 1199.03059Cīrulis, Jānis 4 2008 Knowledge representation systems and skew nearlattices. Zbl 1110.68511Cīrulis, Jānis 3 2004 Nearlattices with an overriding operation. Zbl 1216.06003Cīrulis, Jānis 3 2011 Quasi-orthomodular posets and weak BCK-algebras. Zbl 1311.06006Cīrulis, Jānis 3 2014 Subtraction-like operations in nearsemilattices. Zbl 1228.06001Cīrulis, J. 3 2010 Generalizing the notion of polyadic algebra. Zbl 0614.03060Cīrulis, Jānis 3 1986 Multipliers, closure endomorphisms and quasi-decompositions of a Hilbert algebra. Zbl 1082.03056Cīrulis, Jānis 3 2005 Extending the star order to Rickart rings. Zbl 1358.06012Cīrulis, Jānis 3 2016 Skew nearlattices: some structure and representation theorems. Zbl 1234.06004Cīrulis, Jānis 2 2010 (H)-Hilbert algebras are not the same as Hertz algebras. Zbl 1114.03311Cīrulis, Jānis 2 2003 Two generalizations of the notion of polyadic algebra. Zbl 0667.03048Cirulis, J. 2 1988 Residuation subreducts of pocrigs. Zbl 1286.06026Cīrulis, Jānis 2 2010 Adjoint semilattice and minimal Brouwerian extensions of a Hilbert algebra. Zbl 1280.03063Cīrulis, Jānis 2 2012 Corrections to my paper “An algebraization of the first order logic with terms”. Zbl 0849.03050Cīrulis, Jānis 2 1994 One-sided star partial orders for bounded linear operators. Zbl 1348.47003Cīrulis, Jānis 1 2015 Knowledge representation in extended Pawlak’s information systems: Algebraic aspects. Zbl 1044.68149Cīrulis, Jānis 1 2002 On the mutual definability of relations: linear order, between, and codirectedness. Zbl 0528.06001Cirulis, J. 1 1983 Further remarks on an order for quantum observables. Zbl 1389.81002Cirulis, Jānis 1 2015 Freeoids: a semi-abstract view on endomorphism monoids of relatively free algebras. Zbl 1227.08008Cīrulis, Jānis 1 2011 On some classes of commutative weak BCK-algebras. Zbl 1368.06012Cīrulis, Jānis 1 2015 On JP-semilattices of Begum and Noor. Zbl 1289.06003Cīrulis, Jānis 1 2013 Relatively orthocomplemented skew nearlattices in Rickart rings. Zbl 1350.06006Cīrulis, Jānis 1 2015 Lattice of closure endomorphisms of a Hilbert algebra. Zbl 1437.03183Cırulis, Jānis 1 2019 An algebraic approach to knowledge representation. Zbl 0955.68106Cīrulis, Jānis 1 1999 Modal semilattices, implicative semilattices and triples. Zbl 0993.06003Cīrulis, Jānis 1 2001 Abstract algebras of finitary relations: Several non-traditional axiomatizations. Zbl 0852.03025Cīrulis, Jānis 1 1994 Weak relative pseudocomplements in semilattices. Zbl 1242.06004Cīrulis, Jānis 1 2011 On implication in MV-algebras. Zbl 1117.06008Cīrulis, Jānis 1 2007 Relatively pseudocomplemented Hilbert algebras. Zbl 1137.03037Cīrulis, Jānis 1 2008 Betweenness spaces. Zbl 0569.54010Cīrulis, Jānis 1 1983 On closure endomorphisms of implicative semilattices. Zbl 0576.03039Cirulis, Jānis 1 1985 Pseudocomplements in sum-ordered partial semirings. Zbl 1138.06007Cīrulis, Jānis 1 2007 Lattice of closure endomorphisms of a Hilbert algebra. Zbl 1437.03183Cırulis, Jānis 1 2019 The diamond partial order for strong Rickart rings. Zbl 1383.06005Cīrulis, Jānis 5 2017 Extending the star order to Rickart rings. Zbl 1358.06012Cīrulis, Jānis 3 2016 Lattice operations on Rickart *-rings under the star order. Zbl 1326.06016Cīrulis, J. 9 2015 One-sided star partial orders for bounded linear operators. Zbl 1348.47003Cīrulis, Jānis 1 2015 Further remarks on an order for quantum observables. Zbl 1389.81002Cirulis, Jānis 1 2015 On some classes of commutative weak BCK-algebras. Zbl 1368.06012Cīrulis, Jānis 1 2015 Relatively orthocomplemented skew nearlattices in Rickart rings. Zbl 1350.06006Cīrulis, Jānis 1 2015 Quasi-orthomodular posets and weak BCK-algebras. Zbl 1311.06006Cīrulis, Jānis 3 2014 On JP-semilattices of Begum and Noor. Zbl 1289.06003Cīrulis, Jānis 1 2013 Adjoint semilattice and minimal Brouwerian extensions of a Hilbert algebra. Zbl 1280.03063Cīrulis, Jānis 2 2012 Nearlattices with an overriding operation. Zbl 1216.06003Cīrulis, Jānis 3 2011 Freeoids: a semi-abstract view on endomorphism monoids of relatively free algebras. Zbl 1227.08008Cīrulis, Jānis 1 2011 Weak relative pseudocomplements in semilattices. Zbl 1242.06004Cīrulis, Jānis 1 2011 Subtraction-like operations in nearsemilattices. Zbl 1228.06001Cīrulis, J. 3 2010 Skew nearlattices: some structure and representation theorems. Zbl 1234.06004Cīrulis, Jānis 2 2010 Residuation subreducts of pocrigs. Zbl 1286.06026Cīrulis, Jānis 2 2010 Implication in sectionally pseudocomplemented posets. Zbl 1199.03059Cīrulis, Jānis 4 2008 Relatively pseudocomplemented Hilbert algebras. Zbl 1137.03037Cīrulis, Jānis 1 2008 Hilbert algebras as implicative partial semilattices. Zbl 1125.03047Cīrulis, Jānis 7 2007 On implication in MV-algebras. Zbl 1117.06008Cīrulis, Jānis 1 2007 Pseudocomplements in sum-ordered partial semirings. Zbl 1138.06007Cīrulis, Jānis 1 2007 Multipliers, closure endomorphisms and quasi-decompositions of a Hilbert algebra. Zbl 1082.03056Cīrulis, Jānis 3 2005 Knowledge representation systems and skew nearlattices. Zbl 1110.68511Cīrulis, Jānis 3 2004 (H)-Hilbert algebras are not the same as Hertz algebras. Zbl 1114.03311Cīrulis, Jānis 2 2003 Knowledge representation in extended Pawlak’s information systems: Algebraic aspects. Zbl 1044.68149Cīrulis, Jānis 1 2002 Modal semilattices, implicative semilattices and triples. Zbl 0993.06003Cīrulis, Jānis 1 2001 An algebraic approach to knowledge representation. Zbl 0955.68106Cīrulis, Jānis 1 1999 Subtractive nearsemilattices. Zbl 1027.06007Cīrulis, Jānis 4 1998 Corrections to my paper “An algebraization of the first order logic with terms”. Zbl 0849.03050Cīrulis, Jānis 2 1994 Abstract algebras of finitary relations: Several non-traditional axiomatizations. Zbl 0852.03025Cīrulis, Jānis 1 1994 An algebraization of first order logic with terms. Zbl 0746.03053Cīrulis, Jänis 4 1991 Two generalizations of the notion of polyadic algebra. Zbl 0667.03048Cirulis, J. 2 1988 Multipliers in implicative algebras. Zbl 0634.03067Cirulis, Jănis 6 1986 Generalizing the notion of polyadic algebra. Zbl 0614.03060Cīrulis, Jānis 3 1986 On closure endomorphisms of implicative semilattices. Zbl 0576.03039Cirulis, Jānis 1 1985 On the mutual definability of relations: linear order, between, and codirectedness. Zbl 0528.06001Cirulis, J. 1 1983 Betweenness spaces. Zbl 0569.54010Cīrulis, Jānis 1 1983 all cited Publications top 5 cited Publications all top 5 Cited by 43 Authors 17 Cīrulis, Jānis 3 Djikić, Marko S. 3 Ji, Guoxing 2 Bohata, Martin 2 Leech, Jonathan Edmund 2 Paseka, Jan 2 Rump, Wolfgang 2 Wang, Xinhui 1 Castiglioni, José Luis 1 Celani, Sergio Arturo 1 Chajda, Ivan 1 Cremer, Insa 1 Cvetko-Vah, Karin 1 Đorđević, Dragan S. 1 Farokhi-Ostad, Javad 1 Ferenczi, Miklós 1 Foulis, David James 1 Gaitán, Hernando 1 Gallardo, Carlos 1 Hamhalter, Jan 1 Iampan, Aiyared 1 Jackson, Marcel G. 1 Krēmere, Insa 1 Länger, Helmut M. 1 Ljubenović, Martin Z. 1 Montangie, Daniela 1 Nasehpour, Peyman 1 Németi, István 1 Niederle, Josef 1 Pambuccian, Victor V. 1 Plotkin, Boris 1 Pulmannová, Sylvia 1 Rakić, Dragan S. 1 San Martín, Hernán Javier 1 Schmid, Jurg 1 Shyryaeu, V. M. 1 Spinks, Matthew 1 Stokes, Timothy E. 1 Thurnherr, Willi 1 Voutsadakis, George 1 Walendziak, Andrzej 1 Yang, Lili 1 Ziliani, Alicia all top 5 Cited in 32 Serials 6 Linear and Multilinear Algebra 5 Order 4 Algebra Universalis 4 Studia Logica 2 Soft Computing 1 Communications in Algebra 1 International Journal of Theoretical Physics 1 Journal of Mathematical Analysis and Applications 1 Beiträge zur Algebra und Geometrie 1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 1 Demonstratio Mathematica 1 Journal of Pure and Applied Algebra 1 Mathematica Slovaca 1 Semigroup Forum 1 Annals of Pure and Applied Logic 1 Linear Algebra and its Applications 1 Expositiones Mathematicae 1 Archive for Mathematical Logic 1 Journal of Discrete Mathematical Sciences & Cryptography 1 Acta Mathematica Sinica. English Series 1 Lobachevskii Journal of Mathematics 1 Trudy Instituta Matematiki 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Central European Journal of Mathematics 1 Journal of Multiple-Valued Logic and Soft Computing 1 Journal of Algebra and its Applications 1 Journal of Applied Logic 1 Mediterranean Journal of Mathematics 1 Operators and Matrices 1 Asian-European Journal of Mathematics 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 The Art of Discrete and Applied Mathematics all top 5 Cited in 15 Fields 34 Order, lattices, ordered algebraic structures (06-XX) 23 Mathematical logic and foundations (03-XX) 10 Associative rings and algebras (16-XX) 9 General algebraic systems (08-XX) 9 Operator theory (47-XX) 5 Functional analysis (46-XX) 4 Linear and multilinear algebra; matrix theory (15-XX) 3 Quantum theory (81-XX) 2 Category theory; homological algebra (18-XX) 2 Computer science (68-XX) 1 History and biography (01-XX) 1 Commutative algebra (13-XX) 1 Group theory and generalizations (20-XX) 1 Geometry (51-XX) 1 Convex and discrete geometry (52-XX) Citations by Year