Edit Profile (opens in new tab) Kepka, Tomas Co-Author Distance Author ID: kepka.tomas Published as: Kepka, Tomáš; Kepka, T.; Kepka, Tomas; Kepka, Tomás; Kepka, Tomàš more...less Homepage: http://ka.karlin.mff.cuni.cz//index.htm?faculty External Links: MGP · ORCID · Wikidata · dblp · IdRef Documents Indexed: 248 Publications since 1972, including 2 Books 1 Contribution as Editor Reviewing Activity: 84 Reviews Co-Authors: 46 Co-Authors with 190 Joint Publications 617 Co-Co-Authors all top 5 Co-Authors 57 single-authored 56 Nemec, Petr 49 Ježek, Jaroslav 17 Drápal, Aleš 16 Bican, Ladislav 13 El Bashir, Robert 11 Flaška, Václav 11 Jambor, Paul E. 9 Kortelainen, Juha 8 Niemenmaa, Markku 7 Kala, Vítězslav 7 Korbelář, Miroslav 6 Jančařík, Antonín 6 Trch, Milan 5 Batíková, Barbora 5 Kechlibar, Marian 4 Cho, Jung Rae 4 Polák, Pavel 3 Al-Zoubi, Khaldoun 3 Beneteau, Lucien 3 Kinyon, Michael K. 2 Csörgő, Piroska 2 Landsmann, Günter 2 Němec, Petr C. 1 Birkenmeier, Gary Francis 1 Gagola, Stephen M. III 1 Heatherly, Henry E. 1 Herbera, Dolors 1 Jantosciak, James 1 Jeřábek, Emil 1 Kratochvíl, Jan 1 Lacaze, Jacqueline 1 Maróti, Miklós 1 Marsalek, Petr 1 Musílek, Michal 1 Příhoda, Pavel 1 Prochazka, Ladislav 1 Rosendorf, Dan 1 Šaroch, Jan 1 Ščukin, K. K. 1 Stanovský, David 1 Šťovíček, Jan 1 Sureau, Yves 1 Trlifaj, Jan jun. 1 Vítek, Milan 1 Vougiouklis, Thomas N. 1 Zejnullahu, Abdullah 1 Žemlička, Jan all top 5 Serials 88 Acta Universitatis Carolinae. Mathematica et Physica 55 Commentationes Mathematicae Universitatis Carolinae 22 Czechoslovak Mathematical Journal 6 Journal of Algebra 6 Semigroup Forum 6 Rivista di Matemàtica Pura ed Applicata 5 Communications in Algebra 5 Algebra Universalis 4 Italian Journal of Pure and Applied Mathematics 3 Bulletin of the Australian Mathematical Society 3 Atti della Società Peloritana di Scienze Fisiche, Matemàtiche e Naturali 2 Časopis Pro Pěstování Matematiky 2 Fundamenta Mathematicae 2 Mathematische Nachrichten 2 Mathematica Slovaca 2 European Journal of Combinatorics 2 Acta Mathematica Hungarica 2 Comptes Rendus de l’Académie des Sciences. Série I 2 Journal of Algebra and its Applications 1 Acta Scientiarum Mathematicarum 1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 1 Annales Academiae Scientiarum Fennicae. Series A I. Mathematica 1 Archiv der Mathematik 1 Bulletin of the London Mathematical Society 1 Monatshefte für Mathematik 1 Proceedings of the American Mathematical Society 1 Publicationes Mathematicae Debrecen 1 Forum Mathematicum 1 Mathematica Bohemica 1 International Journal of Algebra and Computation 1 Pokroky Matematiky, Fyziky & Astronomie 1 Discussiones Mathematicae. General Algebra and Applications 1 Lecture Notes in Pure and Applied Mathematics all top 5 Fields 165 Group theory and generalizations (20-XX) 74 Associative rings and algebras (16-XX) 43 General algebraic systems (08-XX) 14 Category theory; homological algebra (18-XX) 11 Field theory and polynomials (12-XX) 10 Order, lattices, ordered algebraic structures (06-XX) 9 Combinatorics (05-XX) 6 Commutative algebra (13-XX) 6 Nonassociative rings and algebras (17-XX) 5 Mathematical logic and foundations (03-XX) 5 Computer science (68-XX) 2 General and overarching topics; collections (00-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 1 Statistics (62-XX) 1 Biology and other natural sciences (92-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 159 Publications have been cited 775 times in 420 Documents Cited by ▼ Year ▼ Rings, modules, and preradicals. Zbl 0483.16026Bican, L.; Kepka, T.; Nemec, P. 55 1982 On multiplication groups of loops. Zbl 0706.20046Niemenmaa, Markku; Kepka, Tomáš 52 1990 Simple commutative semirings. Zbl 0976.16034El Bashir, R.; Hurt, J.; Jančařík, A.; Kepka, T. 30 2001 Equational theories of medial groupoids. Zbl 0538.08008Ježek, J.; Kepka, T. 28 1983 Prime and coprime modules. Zbl 0354.16013Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 24 1980 T-quasigroups. I. Zbl 0254.20054Nemec, P.; Kepka, T. 23 1972 Paramedial groupoids. Zbl 0955.20043Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš 19 1999 The lattice of varieties of commutative abelian distributive groupoids. Zbl 0321.20036Jezek, Jaroslav; Kepka, Tomas 17 1975 On connected transversals to abelian subgroups. Zbl 0799.20020Niemenmaa, Markku; Kepka, Tomas 13 1994 Congruence-simple semirings. Zbl 1155.16034El Bashir, Robert; Kepka, Tomas 13 2007 On connected transversals to abelian subgroups in finite groups. Zbl 0793.20064Niemenmaa, Markku; Kepka, Tomas 12 1992 Medial groupoids. Zbl 0527.20044Jezek, Jaroslav; Kepka, Tomas 12 1983 T-quasigroups. II. Zbl 0254.20055Kepka, T.; Nemec, P. 12 1972 On loops with cyclic inner mappings groups. Zbl 0789.20080Kepka, Tomáš; Niemenmaa, Markku 12 1993 The endomorphism semiring of a semilattice. Zbl 1171.16024Ježek, J.; Kepka, T.; Maróti, M. 12 2009 Notes on left distributive groupoids. Zbl 0517.20048Kepka, T. 10 1981 Exchangeable partial groupoids. I. Zbl 0524.20048Drapal, A.; Kepka, T. 10 1983 Commutative Moufang loops and distributive groupoids of small orders. Zbl 0573.20065Kepka, Tomáš; Němec, Petr 10 1981 A note on associative triples of elements in cancellation groupoids. Zbl 0444.20069Kepka, Tomas 9 1980 Quasigroups, isotopic to a group. Zbl 0299.20060Jezek, Jaroslav; Kepka, Tomas 8 1975 Distributive Steiner quasigroups of order \(3^5\). Zbl 0373.20062Kepka, Tomas 8 1978 On the Abelian inner permutation groups of loops. Zbl 0913.20043Kepka, Tomáš 8 1998 On a distance of groups and Latin squares. Zbl 0697.05018Drápal, Aleš; Kepka, Tomáš 8 1989 Rings with left self distributive multiplication. Zbl 0782.16018Birkenmeier, G. F.; Heatherly, H.; Kepka, T. 7 1992 Regular mappings of groupoids. Zbl 0254.20053Kepka, T. 7 1972 On one class of purities. Zbl 0258.16019Kepka, Tomas 7 1973 Alternating groups and Latin squares. Zbl 0673.20038Drápal, Aleš; Kepka, Tomáš 7 1989 Linear equational theories and semimodule representations. Zbl 0944.08003Ježek, Jaroslav; Kepka, Tomáš 7 1998 Hereditary and cohereditary preradicals. Zbl 0327.16013Bican, Ladislav; Jambor, Pavel; Kepka, Tomas; Nemec, Petr 7 1976 Structure of triabelian quasigroups. Zbl 0338.20097Kepka, Tomas 7 1976 Transitive closures of binary relations. I. Zbl 1135.03344Flaška, Václav; Ježek, Jaroslav; Kepka, Tomáš; Kortelainen, Juha 7 2007 Group modifications of some partial groupoids. Zbl 0519.20051Drapal, A.; Kepka, T. 6 1983 On rings with trivial torsion parts. Zbl 0265.16018Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 6 1973 Group conjugation has non-trivial LD-identities. Zbl 0810.20053Drápal, Aleš; Kepka, Tomáš; Musílek, Michal 6 1994 On conjugate classes in finite loops. Zbl 0644.20039Kepka, T.; Niemenmaa, M. 6 1988 The semiring of 1-preserving endomorphisms of a semilattice. Zbl 1224.06007Ježek, Jaroslav; Kepka, Tomáš 6 2009 Preradicals and change of rings. Zbl 0305.16017Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 6 1975 A note on simple quasigroups. Zbl 0383.20058Kepka, T. 6 1978 Varieties of Abelian quasigroups. Zbl 0384.20052Jezek, Jaroslav; Kepka, Tomas 6 1977 Simple paramedial groupoids. Zbl 0955.20044Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš 6 1999 Conjectures on additively divisible commutative semirings. Zbl 1399.16118Kepka, Tomáš; Korbelář, Miroslav 6 2016 Quasitrivial groupoids and balanced identities. Zbl 0516.20033Kepka, T. 5 1981 Preradicals. Zbl 0277.16020Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 5 1974 Distributive groupoids. Zbl 0484.20031Jezek, Jaroslav; Kepka, Tomas; Nemec, Petr 5 1981 Structure of weakly Abelian quasigroups. Zbl 0394.20055Kepka, Tomas 5 1978 Free commutative idempotent Abelian groupoids and quasigroups. Zbl 0394.20058Jezek, J.; Kepka, T. 5 1976 Notes on distributive groupoids. Zbl 0566.20043Ježek, J.; Kepka, T. 5 1983 Finitely generated algebraic structures with various divisibility conditions. Zbl 1254.16041Ježek, Jaroslav; Kala, Vítězslav; Kepka, Tomáš 5 2012 Modules commuting (via Hom) with some limits. Zbl 0902.16009El Bashir, Robert; Kepka, Tomáš 4 1998 A note on finitely generated ideal-simple commutative semirings. Zbl 1192.16045Kala, Vítězslav; Kepka, Tomáš 4 2008 A note on the number of associative triples in quasigroups isotopic to groups. Zbl 0489.20053Drapal, Ales; Kepka, Tomas 4 1981 Distributive division groupoids. Zbl 0412.20069Kepka, Tomas 4 1979 Notes on quasimodules. Zbl 0413.20054Kepka, Tomas 4 1979 The equational theory of paramedial cancellation groupoids. Zbl 1035.08002Ježek, Jaroslav; Kepka, Tomáš 4 2000 Notes on commutative parasemifields. Zbl 1203.16038Kala, Vítězslav; Kepka, Tomáš; Korbelář, Miroslav 4 2009 Quasigroups which satisfy certain generalized forms of the Abelian identity. Zbl 0306.20080Kepka, Tomas 4 1975 Semigroup representations of commutative idempotent Abelian groupoids. Zbl 0313.20029Jezek, Jaroslav; Kepka, Tomas 4 1975 A note on WA-quasigroups. Zbl 0382.20057Kepka, T. 4 1978 Quasitrivial and nearly quasitrivial distributive groupoids and semigroups. Zbl 0391.20054Jezek, J.; Kepka, T. 4 1978 Permutable groupoids. Zbl 0562.20037Ježek, Jaroslav; Kepka, Tomáš 4 1984 Structure of T-rings. Zbl 0588.16021Trlifaj, J.; Kepka, T. 4 1985 Small finite trimedial quasigroups. Zbl 0606.20061Kepka, Tomas; Bénéteau, Lucien; Lacaze, Jacqueline 4 1986 Connected transversals to subnormal subgroups. Zbl 0889.20020Kepka, T.; Phillips, J. D. 3 1997 Composition of preradicals. Zbl 0292.16022Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 3 1974 Simple semimodules over commutative semirings. Zbl 0536.16034Ježek, J.; Kepka, T. 3 1983 Distributive groupoids and the finite basis property. Zbl 0471.20056Kepka, Tomas; Nemec, Petr 3 1981 Notes on the number of associative triples. Zbl 0786.20042Ježek, Jaroslav; Kepka, Tomáš 3 1990 A note on medial division groupoids. Zbl 0815.20067Ježek, J.; Kepka, T. 3 1993 F-quasigroups isotopic to Moufang loops. Zbl 0444.20067Kepka, Tomáš 3 1979 Varieties of quasigroups determined by short strictly balanced identities. Zbl 0435.20049Ježek, Jaroslav; Kepka, Tomáš 3 1979 On loops whose inner permutations commute. Zbl 1101.20034Csörgő, Piroska; Kepka, Tomáš 3 2004 Stable and costable preradicals. Zbl 0316.16031Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 3 1975 Commutative distributive groupoids. Zbl 0391.20055Kepka, T. 3 1978 Quasitrivial semimodules. I. Zbl 1169.16029Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 3 2008 The structure of F-quasigroups. Zbl 1133.20051Kepka, Tomáš; Kinyon, Michael K.; Phillips, J. D. 3 2007 Group distances of Latin squares. Zbl 0589.05023Drápal, Aleš; Kepka, Tomáš 3 1985 Varieties of left distributive semigroups. Zbl 0589.20037Kepka, T. 3 1984 Simple balanced groupoids. Zbl 0963.20036Kepka, Tomáš; Němec, Petr 3 1996 Semigroup representations of medial groupoids. Zbl 0492.08001Jezek, Jaroslav; Kepka, Tomas 2 1981 Notes on associative triples of elements in commutative groupoids. Zbl 0515.20053Kepka, T. 2 1981 Distributive groupoids and preradicals. II. Zbl 0529.20057Kepka, T. 2 1983 On one class of quasigroups. Zbl 0248.20086Kepka, Tomas 2 1972 The totally simple quasigroups. Zbl 0248.20087Kepka, Tomas 2 1972 Notes on radical filters of ideals. Zbl 0282.16005Kepka, Tomas 2 1974 Free entropic groupoids. Zbl 0464.08004Jezek, Jaroslav; Kepka, Tomas 2 1981 On when small semiprime rings are slender. Zbl 0854.16015El Bashir, Robert; Kepka, Tomáš 2 1996 Finite simple zeropotent paramedial groupoids. Zbl 1003.20055Cho, Jung R.; Kepka, Tomáš 2 2002 Trilinear constructions of quasimodules. Zbl 0439.20049Kepka, Tomas; Nemec, Petr 2 1980 Parity of orthogonal automorphisms. Zbl 0632.20041Drápal, Aleš; Kepka, Tomáš 2 1987 Quasimodules generated by three elements. Zbl 0413.20055Kepka, Tomas; Nemec, Petr 2 1979 Medial division groupoids. Zbl 0417.20058Kepka, T. 2 1979 Selfdistributive groupoids of small orders. Zbl 0901.20051Ježek, J.; Kepka, T. 2 1997 Simple zeropotent paramedial groupoids are balanced. Zbl 1051.20031El Bashir, Robert; Ježek, Jaroslav; Kepka, Tomáš 2 2000 The factor of a subdirectly irreducible algebra through its monolith. Zbl 1065.08006Ježek, Jaroslav; Kepka, Tomáš 2 2002 A note on subdirectly irreducible groupoids. Zbl 0481.08001Kepka, T. 2 1981 A note on the number of associative triples in finite commutative Moufang loops. Zbl 0482.20046Kepka, Tomas 2 1981 Modules commuting (via Hom) with some colimits. Zbl 1080.16504El Bashir, Robert; Kepka, Tomáš; Němec, Petr 2 2003 A note on finitely generated commutative rings. Zbl 1094.13506Kechlibar, Marian; Kepka, Tomáš; Kortelainen, Juha 2 2005 Subdirectly irreducible non-idempotent left symmetric left distributive groupoids. Zbl 1102.20045Jeřábek, Emil; Kepka, Tomáš; Stanovský, David 2 2005 Commutative semigroups that are nil of index 2 and have no irreducible elements. Zbl 1170.20312Ježek, Jaroslav; Kepka, Tomáš; Němec, Petr 2 2008 A construction of congruence-simple semirings. Zbl 1423.16043Batíková, Barbora; Kepka, Tomáš; Němec, Petr 1 2018 Characteristic semimodules. Zbl 1380.16045Batíková, Barbora; Kepka, Tomáš; Němec, Petr 1 2017 Critical semimodules. Zbl 1381.16044Batíková, Barbora; Kepka, Tomáš; Němec, Petr 1 2017 Conjectures on additively divisible commutative semirings. Zbl 1399.16118Kepka, Tomáš; Korbelář, Miroslav 6 2016 Simple semirings with zero. Zbl 1348.16033Kepka, Tomáš; Kortelainen, Juha; Němec, Petr 2 2016 Simple semirings with left multiplicatively absorbing elements. Zbl 1352.16049Kepka, Tomáš; Němec, Petr 1 2015 Finitely generated algebraic structures with various divisibility conditions. Zbl 1254.16041Ježek, Jaroslav; Kala, Vítězslav; Kepka, Tomáš 5 2012 Commutative zeropotent semigroups with few prime ideals. Zbl 1249.20061Ježek, Jaroslav; Kepka, Tomáš; Němec, Petr 1 2011 Finitely generated commutative division semirings. Zbl 1243.16051Ježek, Jaroslav; Kepka, Tomáš 1 2010 The endomorphism semiring of a semilattice. Zbl 1171.16024Ježek, J.; Kepka, T.; Maróti, M. 12 2009 The semiring of 1-preserving endomorphisms of a semilattice. Zbl 1224.06007Ježek, Jaroslav; Kepka, Tomáš 6 2009 Notes on commutative parasemifields. Zbl 1203.16038Kala, Vítězslav; Kepka, Tomáš; Korbelář, Miroslav 4 2009 Quasitrivial semimodules. III. Zbl 1181.16040Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 2 2009 Various subsemirings of the field \(\mathbb Q\) of rational numbers. Zbl 1192.16044Kala, V.; Kepka, T.; Korbelář, M.; Phillips, J. D. 1 2009 A note on finitely generated ideal-simple commutative semirings. Zbl 1192.16045Kala, Vítězslav; Kepka, Tomáš 4 2008 Quasitrivial semimodules. I. Zbl 1169.16029Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 3 2008 Commutative semigroups that are nil of index 2 and have no irreducible elements. Zbl 1170.20312Ježek, Jaroslav; Kepka, Tomáš; Němec, Petr 2 2008 Quasitrivial semimodules. II. Zbl 1169.16030Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 2 2008 Commutative radical rings. II. Zbl 1166.13003Kepka, Tomáš; Němec, Petr 1 2008 Congruence-simple semirings. Zbl 1155.16034El Bashir, Robert; Kepka, Tomas 13 2007 Transitive closures of binary relations. I. Zbl 1135.03344Flaška, Václav; Ježek, Jaroslav; Kepka, Tomáš; Kortelainen, Juha 7 2007 The structure of F-quasigroups. Zbl 1133.20051Kepka, Tomáš; Kinyon, Michael K.; Phillips, J. D. 3 2007 Commutative radical rings. I. Zbl 1141.13001Kepka, Tomáš; Němec, Petr 1 2007 Commutative zeropotent semigroups. Zbl 1145.20321Flaška, Václav; Kepka, Tomáš 2 2006 Selfdistributive groupoids. D1: Left distributive semigroups. Zbl 1150.20046Ježek, Jaroslav; Kepka, Tomáš 1 2006 A note on finitely generated commutative rings. Zbl 1094.13506Kechlibar, Marian; Kepka, Tomáš; Kortelainen, Juha 2 2005 Subdirectly irreducible non-idempotent left symmetric left distributive groupoids. Zbl 1102.20045Jeřábek, Emil; Kepka, Tomáš; Stanovský, David 2 2005 Bi-ideal-simple semirings. Zbl 1106.16048Flaška, Václav; Kepka, Tomáš; Šaroch, Jan 2 2005 On loops whose inner permutations commute. Zbl 1101.20034Csörgő, Piroska; Kepka, Tomáš 3 2004 Modules commuting (via Hom) with some colimits. Zbl 1080.16504El Bashir, Robert; Kepka, Tomáš; Němec, Petr 2 2003 Infinite simple zeropotent paramedial groupoids. Zbl 1080.20505Cho, Jung R.; Kepka, Tomáš 1 2003 Finite simple zeropotent paramedial groupoids. Zbl 1003.20055Cho, Jung R.; Kepka, Tomáš 2 2002 The factor of a subdirectly irreducible algebra through its monolith. Zbl 1065.08006Ježek, Jaroslav; Kepka, Tomáš 2 2002 Commutative semigroups with few invariant congruences. Zbl 0996.20042El Bashir, Robert; Kepka, Tomáš 1 2002 Simple commutative semirings. Zbl 0976.16034El Bashir, R.; Hurt, J.; Jančařík, A.; Kepka, T. 30 2001 The equational theory of paramedial cancellation groupoids. Zbl 1035.08002Ježek, Jaroslav; Kepka, Tomáš 4 2000 Simple zeropotent paramedial groupoids are balanced. Zbl 1051.20031El Bashir, Robert; Ježek, Jaroslav; Kepka, Tomáš 2 2000 Connected transversals – the Zassenhaus case. Zbl 1038.20022Kepka, Tomáš; Němec, Petr 1 2000 Paramedial groupoids. Zbl 0955.20043Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš 19 1999 Simple paramedial groupoids. Zbl 0955.20044Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš 6 1999 On the Abelian inner permutation groups of loops. Zbl 0913.20043Kepka, Tomáš 8 1998 Linear equational theories and semimodule representations. Zbl 0944.08003Ježek, Jaroslav; Kepka, Tomáš 7 1998 Modules commuting (via Hom) with some limits. Zbl 0902.16009El Bashir, Robert; Kepka, Tomáš 4 1998 Connected transversals to subnormal subgroups. Zbl 0889.20020Kepka, T.; Phillips, J. D. 3 1997 Selfdistributive groupoids of small orders. Zbl 0901.20051Ježek, J.; Kepka, T. 2 1997 On when commutative noetherian rings are slender. Zbl 0881.13003El Bashir, Robert; Kepka, Tomáš 1 1997 Groupoids and the associative law. VI: Szász-Hájek groupoids of type \((a,b,c)\). Zbl 0889.20040Kepka, T.; Trch, M. 1 1997 Simple balanced groupoids. Zbl 0963.20036Kepka, Tomáš; Němec, Petr 3 1996 On when small semiprime rings are slender. Zbl 0854.16015El Bashir, Robert; Kepka, Tomáš 2 1996 Bijective reflexions and coreflexions and commutative unars. Zbl 0899.08005Ježek, Jaroslav; Kepka, Tomáš 1 1996 \(\bigcap\)-compact modules. Zbl 0844.16016Kepka, Tomáš 1 1995 On connected transversals to abelian subgroups. Zbl 0799.20020Niemenmaa, Markku; Kepka, Tomas 13 1994 Group conjugation has non-trivial LD-identities. Zbl 0810.20053Drápal, Aleš; Kepka, Tomáš; Musílek, Michal 6 1994 On loops with cyclic inner mappings groups. Zbl 0789.20080Kepka, Tomáš; Niemenmaa, Markku 12 1993 A note on medial division groupoids. Zbl 0815.20067Ježek, J.; Kepka, T. 3 1993 Semirings whose additive endomorphisms are multiplicative. Zbl 0787.16029Kepka, Tomáš 1 1993 Groupoids and the associative law. II: Groupoids with small semigroup distance. Zbl 0809.20056Kepka, Tomáš; Trch, Milan 1 1993 Multiplication groups of quasigroups and loops. I. Zbl 0817.20069Drápal, Aleš; Kepka, Tomáš 1 1993 On connected transversals to abelian subgroups in finite groups. Zbl 0793.20064Niemenmaa, Markku; Kepka, Tomas 12 1992 Rings with left self distributive multiplication. Zbl 0782.16018Birkenmeier, G. F.; Heatherly, H.; Kepka, T. 7 1992 On a general associativity law in groupoids. Zbl 0768.20032Niemenmaa, Markku; Kepka, Tomas 1 1992 Groupoids and the associative law. I: Associative triples. Zbl 0791.20084Kepka, Tomáš; Trch, Milan 1 1992 Associativity semihypergroups and cardinal-valued semigroups. Zbl 0771.20022Kepka, Tomáš 1 1991 On multiplication groups of loops. Zbl 0706.20046Niemenmaa, Markku; Kepka, Tomáš 52 1990 Notes on the number of associative triples. Zbl 0786.20042Ježek, Jaroslav; Kepka, Tomáš 3 1990 Trimedial quasigroups and generalized modules. I. Zbl 0790.20088Kepka, Tomáš; Němec, Petr 1 1990 On a distance of groups and Latin squares. Zbl 0697.05018Drápal, Aleš; Kepka, Tomáš 8 1989 Alternating groups and Latin squares. Zbl 0673.20038Drápal, Aleš; Kepka, Tomáš 7 1989 Varieties of groupoids determined by short linear identities. Zbl 0697.20047Ježek, Jaroslav; Kepka, Tomáš 1 1989 Quasigroups having at most three inner mappings. Zbl 0702.20053Kepka, T. 1 1989 On conjugate classes in finite loops. Zbl 0644.20039Kepka, T.; Niemenmaa, M. 6 1988 On representable pairs. Zbl 0661.20041Kepka, Tomáš; Němec, Petr; Niemenmaa, Markku 1 1988 Parity of orthogonal automorphisms. Zbl 0632.20041Drápal, Aleš; Kepka, Tomáš 2 1987 Parity of orthogonal permutations. Zbl 0632.20042Drápal, Aleš; Kepka, Tomáš 1 1987 Small finite trimedial quasigroups. Zbl 0606.20061Kepka, Tomas; Bénéteau, Lucien; Lacaze, Jacqueline 4 1986 A construction of commutative Moufang loops and quasimodules. Zbl 0613.20046Kepka, Tomáš 1 1986 On splitting k-systems. Zbl 0608.20054Kepka, T.; Niemenmaa, M. 1 1986 Structure of T-rings. Zbl 0588.16021Trlifaj, J.; Kepka, T. 4 1985 Group distances of Latin squares. Zbl 0589.05023Drápal, Aleš; Kepka, Tomáš 3 1985 Quasigroupes trimédiaux et boucles de Moufang commutatives libres. (Free trimedial quasigroups and free commutative Moufang loops). Zbl 0578.20062Bénéteau, Lucien; Kepka, Tomas 2 1985 Exchangeable partial groupoids. II. Zbl 0608.20051Drápal, A.; Kepka, T. 2 1985 Sets of associative triples. Zbl 0612.05003Drápal, A.; Kepka, T. 1 1985 Théorèmes de structure dans certains groupoïdes localement nilpotents. (Structure theorems for some locally nilpotent groupoids). Zbl 0578.20061Bénéteau, Lucien; Kepka, Tomas 1 1985 Hamiltonian quasimodules and trimedial quasigroups. Zbl 0595.20071Kepka, T. 1 1985 Permutable groupoids. Zbl 0562.20037Ježek, Jaroslav; Kepka, Tomáš 4 1984 Varieties of left distributive semigroups. Zbl 0589.20037Kepka, T. 3 1984 A construction of Bruck loops. Zbl 0563.20053Kepka, T. 2 1984 Modular groupoids. Zbl 0571.20053Ježek, Jaroslav; Kepka, Tomáš 2 1984 Torsion quasimodules. Zbl 0567.20045Kepka, T.; Němec, P. 1 1984 Equational theories of medial groupoids. Zbl 0538.08008Ježek, J.; Kepka, T. 28 1983 Medial groupoids. Zbl 0527.20044Jezek, Jaroslav; Kepka, Tomas 12 1983 Exchangeable partial groupoids. I. Zbl 0524.20048Drapal, A.; Kepka, T. 10 1983 Group modifications of some partial groupoids. Zbl 0519.20051Drapal, A.; Kepka, T. 6 1983 Notes on distributive groupoids. Zbl 0566.20043Ježek, J.; Kepka, T. 5 1983 Simple semimodules over commutative semirings. Zbl 0536.16034Ježek, J.; Kepka, T. 3 1983 Distributive groupoids and preradicals. II. Zbl 0529.20057Kepka, T. 2 1983 Idealfree CIM-groupoids and open convex sets. Zbl 0524.20031Jezek, Jaroslav; Kepka, Tomas 1 1983 Rings, modules, and preradicals. Zbl 0483.16026Bican, L.; Kepka, T.; Nemec, P. 55 1982 Notes on left distributive groupoids. Zbl 0517.20048Kepka, T. 10 1981 Commutative Moufang loops and distributive groupoids of small orders. Zbl 0573.20065Kepka, Tomáš; Němec, Petr 10 1981 ...and 59 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 353 Authors 44 Kepka, Tomas 27 Drápal, Aleš 18 Ježek, Jaroslav 18 Niemenmaa, Markku 13 Birkenmeier, Gary Francis 13 Csörgő, Piroska 11 Nemec, Petr 11 Romanowska, Anna B. 11 Vojtěchovský, Petr 10 Rincón-Mejía, Hugo Alberto 9 Bican, Ladislav 9 Figula, Ágota 9 Korbelář, Miroslav 9 Medina-Bárcenas, Mauricio Gabriel 9 Nam, Tran Giang 9 Smith, Jonathan Dallas Hayden 8 Abuhlail, Jawad Y. 8 Heatherly, Henry E. 8 Jedlička, Přemysl 8 Katsov, Yefim 8 Ríos Montes, José 8 Stanovský, David 7 Cavenagh, Nicholas J. 7 Kausar, Nasreen 7 Sandoval-Miranda, Martha Lizbeth Shaid 6 Kinyon, Michael K. 6 Zumbrägel, Jens 5 Alam, Aftab 5 Artamonov, Vyacheslav Aleksandrovich 5 Beneteau, Lucien 5 Davidov, Sergey S. 5 Dehornoy, Patrick 5 Imdad, Mohammad 5 Kala, Vítězslav 5 Pilitowska, Agata 5 Zaldívar Corichi, Luis Ángel 4 Castro Pérez, Jaime 4 Cho, Jung Rae 4 Devillet, Jimmy 4 Fernández-Alonso, Rogelio 4 Il’in, Sergey N. 4 Jambor, Paul E. 4 Kashu, Alekseĭ Ivanovich 4 Matczak, Katarzyna 4 Shcherbacov, Victor A. 4 Ssevviiri, David 4 Trlifaj, Jan jun. 4 Vesanen, Ari 4 Zamojska-Dzienio, Anna 4 Zorrilla-Noriega, Manuel Gerardo 3 Al-Abayechi, Ameer 3 Chakrabarti, Sucheta 3 Donovan, Diane M. 3 Dudek, Józef 3 Durğun, Yılmaz 3 El Bashir, Robert 3 Hamalainen, Carlo 3 Jirasko, Josef 3 Marichal, Jean-Luc 3 Markov, Viktor Timofeevich 3 Movsisyan, Yuri Movses 3 Nagy, Gábor Péter 3 van den Berg, John E. 3 Vladeva, Dimitrinka Ivanova 3 Wanless, Ian M. 2 Alizade, R. G. 2 Alvarado-García, Alejandro 2 Arif, Mohammad 2 Beachy, John A. 2 Bergman, Clifford 2 Bergman, George M. 2 Bonatto, Marco 2 Castro, Jaime 2 Cejudo-Castilla, César 2 Cerda-León, Erwin 2 Chauhan, Dimpy 2 Couceiro, Miguel 2 Crivei, Septimiu 2 Duplák, Ján 2 Ehsani, Amir 2 Galatenko, Alekseĭ Vladimirovich 2 Groenewald, Nico Johannes 2 Gulistan, Muhammad 2 Gupta, Indivar 2 Ikeyama, Tamotsu 2 Jardan, Ion 2 Keedwell, Anthony Donald 2 Keskin Tutuncu, Derya 2 Khan, Qamrul Haq 2 Kyomuhangi, Annet 2 Landsmann, Günter 2 Lehtonen, Erkko 2 Leppälä, Emma 2 Lewallen, John A. 2 Lisoněk, Petr 2 Magaña, Janeth 2 McCourt, Thomas A. 2 Morales-Callejas, Lorena 2 Munir, Mohammad 2 Nawaz, Shah ...and 253 more Authors all top 5 Cited in 110 Serials 44 Czechoslovak Mathematical Journal 43 Communications in Algebra 28 Journal of Algebra and its Applications 23 Journal of Algebra 15 Semigroup Forum 13 Algebra Universalis 13 European Journal of Combinatorics 12 Journal of Pure and Applied Algebra 10 Discrete Mathematics 9 Journal of Mathematical Sciences (New York) 7 Bulletin of the Australian Mathematical Society 7 Archiv der Mathematik 7 Commentationes Mathematicae Universitatis Carolinae 7 International Journal of Algebra and Computation 6 Mathematical Notes 6 Mathematica Slovaca 6 Proceedings of the American Mathematical Society 5 Results in Mathematics 5 Applied Categorical Structures 5 Buletinul Academiei de Științe a Republicii Moldova. Matematica 4 Journal of Soviet Mathematics 4 Monatshefte für Mathematik 4 Transactions of the American Mathematical Society 4 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 4 Journal of Group Theory 3 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 3 Journal of Combinatorial Theory. Series A 3 Rendiconti del Seminario Matematico della Università di Padova 3 Siberian Mathematical Journal 3 Bulletin of the Korean Mathematical Society 3 Acta Mathematica Hungarica 3 Designs, Codes and Cryptography 3 Aequationes Mathematicae 3 Journal of Algebraic Combinatorics 3 Hacettepe Journal of Mathematics and Statistics 3 International Journal of Analysis and Applications 3 AIMS Mathematics 2 Quaestiones Mathematicae 2 Topology and its Applications 2 Journal of Symbolic Computation 2 Forum Mathematicum 2 Journal of Combinatorial Designs 2 Lobachevskii Journal of Mathematics 2 Algebra and Discrete Mathematics 2 Thai Journal of Mathematics 2 Chebyshevskiĭ Sbornik 2 European Journal of Pure and Applied Mathematics 2 São Paulo Journal of Mathematical Sciences 2 Armenian Journal of Mathematics 2 Journal of Mathematics 2 Journal of Function Spaces 1 Computers & Mathematics with Applications 1 Discrete Applied Mathematics 1 Israel Journal of Mathematics 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Periodica Mathematica Hungarica 1 Rocky Mountain Journal of Mathematics 1 Beiträge zur Algebra und Geometrie 1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 1 Advances in Mathematics 1 Algebra and Logic 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Annales Scientifiques de l’Université de Clermont-Ferrand II. Mathématiques 1 Cahiers de Topologie et Géométrie Différentielle Catégoriques 1 Fuzzy Sets and Systems 1 Geometriae Dedicata 1 Glasgow Mathematical Journal 1 Journal of the Korean Mathematical Society 1 Mathematische Nachrichten 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Studia Logica 1 Theoretical Computer Science 1 Annales de la Faculté des Sciences de Toulouse. Série V. Mathématiques 1 Combinatorica 1 Order 1 Discrete Mathematics and Applications 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 1 Cybernetics and Systems Analysis 1 Algebra Colloquium 1 Turkish Journal of Mathematics 1 Filomat 1 Finite Fields and their Applications 1 The Electronic Journal of Combinatorics 1 Journal of Lie Theory 1 Acta Mathematica et Informatica Universitatis Ostraviensis 1 Transformation Groups 1 Taiwanese Journal of Mathematics 1 Novi Sad Journal of Mathematics 1 Algebras and Representation Theory 1 LMS Journal of Computation and Mathematics 1 Acta Mathematica Sinica. English Series 1 Fixed Point Theory and Applications 1 Sibirskie Èlektronnye Matematicheskie Izvestiya 1 Sarajevo Journal of Mathematics 1 Bulletin of the American Mathematical Society 1 Proyecciones 1 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche 1 Journal of Fixed Point Theory and Applications 1 Journal of Homotopy and Related Structures 1 International Electronic Journal of Algebra (IEJA) ...and 10 more Serials all top 5 Cited in 26 Fields 215 Group theory and generalizations (20-XX) 165 Associative rings and algebras (16-XX) 81 General algebraic systems (08-XX) 45 Order, lattices, ordered algebraic structures (06-XX) 43 Combinatorics (05-XX) 34 Category theory; homological algebra (18-XX) 16 Nonassociative rings and algebras (17-XX) 14 Commutative algebra (13-XX) 12 Mathematical logic and foundations (03-XX) 10 General topology (54-XX) 9 Field theory and polynomials (12-XX) 9 Topological groups, Lie groups (22-XX) 8 Computer science (68-XX) 6 Convex and discrete geometry (52-XX) 5 Linear and multilinear algebra; matrix theory (15-XX) 5 Difference and functional equations (39-XX) 5 Manifolds and cell complexes (57-XX) 5 Information and communication theory, circuits (94-XX) 4 Geometry (51-XX) 3 Number theory (11-XX) 2 Real functions (26-XX) 2 Operator theory (47-XX) 1 Algebraic geometry (14-XX) 1 Ordinary differential equations (34-XX) 1 Algebraic topology (55-XX) 1 Quantum theory (81-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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