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: 252 Publications since 1972, including 2 Books and 3 Additional arXiv Preprints 1 Contribution as Editor Reviewing Activity: 84 Reviews Co-Authors: 47 Co-Authors with 195 Joint Publications 678 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. 11 Korbelář, Miroslav 9 Kortelainen, Juha 8 Kala, Vítězslav 8 Niemenmaa, Markku 6 Jančařík, Antonín 6 Trch, Milan 5 Batíková, Barbora 5 Kechlibar, Marian 5 Phillips, Jon D. 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 Maršálek, 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 International Journal of Algebra and Computation 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 Pokroky Matematiky, Fyziky & Astronomie 1 Discussiones Mathematicae. General Algebra and Applications 1 Lecture Notes in Pure and Applied Mathematics all top 5 Fields 167 Group theory and generalizations (20-XX) 76 Associative rings and algebras (16-XX) 43 General algebraic systems (08-XX) 14 Category theory; homological algebra (18-XX) 11 Order, lattices, ordered algebraic structures (06-XX) 11 Field theory and polynomials (12-XX) 9 Combinatorics (05-XX) 7 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 Numerical analysis (65-XX) 1 Biology and other natural sciences (92-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 165 Publications have been cited 831 times in 449 Documents Cited by ▼ Year ▼ Rings, modules, and preradicals. Zbl 0483.16026 Bican, L.; Kepka, T.; Nemec, P. 60 1982 On multiplication groups of loops. Zbl 0706.20046 Niemenmaa, Markku; Kepka, Tomáš 53 1990 Simple commutative semirings. Zbl 0976.16034 El Bashir, R.; Hurt, J.; Jančařík, A.; Kepka, T. 34 2001 Equational theories of medial groupoids. Zbl 0538.08008 Ježek, J.; Kepka, T. 29 1983 Prime and coprime modules. Zbl 0354.16013 Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 25 1980 T-quasigroups. I. Zbl 0254.20054 Nemec, P.; Kepka, T. 24 1972 Paramedial groupoids. Zbl 0955.20043 Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš 22 1999 Medial groupoids. Zbl 0527.20044 Jezek, Jaroslav; Kepka, Tomas 22 1983 The lattice of varieties of commutative abelian distributive groupoids. Zbl 0321.20036 Jezek, Jaroslav; Kepka, Tomas 17 1975 The endomorphism semiring of a semilattice. Zbl 1171.16024 Ježek, J.; Kepka, T.; Maróti, M. 16 2009 On connected transversals to abelian subgroups. Zbl 0799.20020 Niemenmaa, Markku; Kepka, Tomas 13 1994 Congruence-simple semirings. Zbl 1155.16034 El Bashir, Robert; Kepka, Tomas 13 2007 On connected transversals to abelian subgroups in finite groups. Zbl 0793.20064 Niemenmaa, Markku; Kepka, Tomas 12 1992 T-quasigroups. II. Zbl 0254.20055 Kepka, T.; Nemec, P. 12 1972 On loops with cyclic inner mappings groups. Zbl 0789.20080 Kepka, Tomáš; Niemenmaa, Markku 12 1993 Commutative Moufang loops and distributive groupoids of small orders. Zbl 0573.20065 Kepka, Tomáš; Němec, Petr 11 1981 A note on associative triples of elements in cancellation groupoids. Zbl 0444.20069 Kepka, Tomas 11 1980 Notes on left distributive groupoids. Zbl 0517.20048 Kepka, T. 10 1981 Exchangeable partial groupoids. I. Zbl 0524.20048 Drapal, A.; Kepka, T. 10 1983 Quasigroups, isotopic to a group. Zbl 0299.20060 Jezek, Jaroslav; Kepka, Tomas 8 1975 On a distance of groups and Latin squares. Zbl 0697.05018 Drápal, Aleš; Kepka, Tomáš 8 1989 On the Abelian inner permutation groups of loops. Zbl 0913.20043 Kepka, Tomáš 8 1998 Distributive Steiner quasigroups of order \(3^5\). Zbl 0373.20062 Kepka, Tomas 8 1978 Rings with left self distributive multiplication. Zbl 0782.16018 Birkenmeier, G. F.; Heatherly, H.; Kepka, T. 7 1992 Conjectures on additively divisible commutative semirings. Zbl 1399.16118 Kepka, Tomáš; Korbelář, Miroslav 7 2016 Linear equational theories and semimodule representations. Zbl 0944.08003 Ježek, Jaroslav; Kepka, Tomáš 7 1998 Alternating groups and Latin squares. Zbl 0673.20038 Drápal, Aleš; Kepka, Tomáš 7 1989 The semiring of 1-preserving endomorphisms of a semilattice. Zbl 1224.06007 Ježek, Jaroslav; Kepka, Tomáš 7 2009 Finitely generated algebraic structures with various divisibility conditions. Zbl 1254.16041 Ježek, Jaroslav; Kala, Vítězslav; Kepka, Tomáš 7 2012 Regular mappings of groupoids. Zbl 0254.20053 Kepka, T. 7 1972 On one class of purities. Zbl 0258.16019 Kepka, Tomas 7 1973 Transitive closures of binary relations. I. Zbl 1135.03344 Flaška, Václav; Ježek, Jaroslav; Kepka, Tomáš; Kortelainen, Juha 7 2007 Hereditary and cohereditary preradicals. Zbl 0327.16013 Bican, Ladislav; Jambor, Pavel; Kepka, Tomas; Nemec, Petr 7 1976 Distributive groupoids. Zbl 0484.20031 Jezek, Jaroslav; Kepka, Tomas; Nemec, Petr 7 1981 Structure of triabelian quasigroups. Zbl 0338.20097 Kepka, Tomas 7 1976 Preradicals and change of rings. Zbl 0305.16017 Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 6 1975 Preradicals. Zbl 0277.16020 Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 6 1974 Simple paramedial groupoids. Zbl 0955.20044 Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš 6 1999 On rings with trivial torsion parts. Zbl 0265.16018 Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 6 1973 On conjugate classes in finite loops. Zbl 0644.20039 Kepka, T.; Niemenmaa, M. 6 1988 Group conjugation has non-trivial LD-identities. Zbl 0810.20053 Drápal, Aleš; Kepka, Tomáš; Musílek, Michal 6 1994 Group modifications of some partial groupoids. Zbl 0519.20051 Drapal, A.; Kepka, T. 6 1983 A note on simple quasigroups. Zbl 0383.20058 Kepka, T. 6 1978 Varieties of Abelian quasigroups. Zbl 0384.20052 Jezek, Jaroslav; Kepka, Tomas 6 1977 Notes on distributive groupoids. Zbl 0566.20043 Ježek, J.; Kepka, T. 5 1983 Notes on commutative parasemifields. Zbl 1203.16038 Kala, Vítězslav; Kepka, Tomáš; Korbelář, Miroslav 5 2009 Structure of weakly Abelian quasigroups. Zbl 0394.20055 Kepka, Tomas 5 1978 Free commutative idempotent Abelian groupoids and quasigroups. Zbl 0394.20058 Jezek, J.; Kepka, T. 5 1976 Distributive division groupoids. Zbl 0412.20069 Kepka, Tomas 5 1979 Quasitrivial groupoids and balanced identities. Zbl 0516.20033 Kepka, T. 5 1981 A note on finitely generated ideal-simple commutative semirings. Zbl 1192.16045 Kala, Vítězslav; Kepka, Tomáš 5 2008 Quasitrivial and nearly quasitrivial distributive groupoids and semigroups. Zbl 0391.20054 Jezek, J.; Kepka, T. 4 1978 Quasigroups which satisfy certain generalized forms of the Abelian identity. Zbl 0306.20080 Kepka, Tomas 4 1975 The equational theory of paramedial cancellation groupoids. Zbl 1035.08002 Ježek, Jaroslav; Kepka, Tomáš 4 2000 Permutable groupoids. Zbl 0562.20037 Ježek, Jaroslav; Kepka, Tomáš 4 1984 Modules commuting (via Hom) with some limits. Zbl 0902.16009 El Bashir, Robert; Kepka, Tomáš 4 1998 Structure of T-rings. Zbl 0588.16021 Trlifaj, J.; Kepka, T. 4 1985 Notes on quasimodules. Zbl 0413.20054 Kepka, Tomas 4 1979 A note on the number of associative triples in quasigroups isotopic to groups. Zbl 0489.20053 Drapal, Ales; Kepka, Tomas 4 1981 Small finite trimedial quasigroups. Zbl 0606.20061 Kepka, Tomas; Bénéteau, Lucien; Lacaze, Jacqueline 4 1986 Semigroup representations of commutative idempotent Abelian groupoids. Zbl 0313.20029 Jezek, Jaroslav; Kepka, Tomas 4 1975 A note on WA-quasigroups. Zbl 0382.20057 Kepka, T. 4 1978 Commutative distributive groupoids. Zbl 0391.20055 Kepka, T. 3 1978 Simple semirings with zero. Zbl 1348.16033 Kepka, Tomáš; Kortelainen, Juha; Němec, Petr 3 2016 Composition of preradicals. Zbl 0292.16022 Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 3 1974 On loops whose inner permutations commute. Zbl 1101.20034 Csörgő, Piroska; Kepka, Tomáš 3 2004 Group distances of Latin squares. Zbl 0589.05023 Drápal, Aleš; Kepka, Tomáš 3 1985 Varieties of left distributive semigroups. Zbl 0589.20037 Kepka, T. 3 1984 Connected transversals to subnormal subgroups. Zbl 0889.20020 Kepka, T.; Phillips, J. D. 3 1997 Commutative semigroups that are nil of index 2 and have no irreducible elements. Zbl 1170.20312 Ježek, Jaroslav; Kepka, Tomáš; Němec, Petr 3 2008 Simple balanced groupoids. Zbl 0963.20036 Kepka, Tomáš; Němec, Petr 3 1996 F-quasigroups isotopic to Moufang loops. Zbl 0444.20067 Kepka, Tomáš 3 1979 Stable and costable preradicals. Zbl 0316.16031 Bican, L.; Jambor, P.; Kepka, T.; Nemec, P. 3 1975 Varieties of quasigroups determined by short strictly balanced identities. Zbl 0435.20049 Ježek, Jaroslav; Kepka, Tomáš 3 1979 Notes on the number of associative triples. Zbl 0786.20042 Ježek, Jaroslav; Kepka, Tomáš 3 1990 A note on medial division groupoids. Zbl 0815.20067 Ježek, J.; Kepka, T. 3 1993 Quasitrivial semimodules. I. Zbl 1169.16029 Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 3 2008 The structure of F-quasigroups. Zbl 1133.20051 Kepka, Tomáš; Kinyon, Michael K.; Phillips, J. D. 3 2007 Simple semimodules over commutative semirings. Zbl 0536.16034 Ježek, J.; Kepka, T. 3 1983 Distributive groupoids and the finite basis property. Zbl 0471.20056 Kepka, Tomas; Nemec, Petr 3 1981 A note on finitely generated commutative rings. Zbl 1094.13506 Kechlibar, Marian; Kepka, Tomáš; Kortelainen, Juha 2 2005 The factor of a subdirectly irreducible algebra through its monolith. Zbl 1065.08006 Ježek, Jaroslav; Kepka, Tomáš 2 2002 Selfdistributive groupoids of small orders. Zbl 0901.20051 Ježek, J.; Kepka, T. 2 1997 Finite simple zeropotent paramedial groupoids. Zbl 1003.20055 Cho, Jung R.; Kepka, Tomáš 2 2002 On one class of quasigroups. Zbl 0248.20086 Kepka, Tomas 2 1972 The totally simple quasigroups. Zbl 0248.20087 Kepka, Tomas 2 1972 Notes on radical filters of ideals. Zbl 0282.16005 Kepka, Tomas 2 1974 On when small semiprime rings are slender. Zbl 0854.16015 El Bashir, Robert; Kepka, Tomáš 2 1996 A construction of Bruck loops. Zbl 0563.20053 Kepka, T. 2 1984 Quasigroupes trimédiaux et boucles de Moufang commutatives libres. (Free trimedial quasigroups and free commutative Moufang loops). Zbl 0578.20062 Bénéteau, Lucien; Kepka, Tomas 2 1985 A note on the associativity hypergroups of quasigroups and loops. Zbl 0585.20035 Kepka, Tomáš 2 1981 Subdirectly irreducible non-idempotent left symmetric left distributive groupoids. Zbl 1102.20045 Jeřábek, Emil; Kepka, Tomáš; Stanovský, David 2 2005 Modular groupoids. Zbl 0571.20053 Ježek, Jaroslav; Kepka, Tomáš 2 1984 Quasitrivial semimodules. III. Zbl 1181.16040 Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 2 2009 Finitely generated commutative division semirings. Zbl 1243.16051 Ježek, Jaroslav; Kepka, Tomáš 2 2010 Simple zeropotent paramedial groupoids are balanced. Zbl 1051.20031 El Bashir, Robert; Ježek, Jaroslav; Kepka, Tomáš 2 2000 Modules commuting (via Hom) with some colimits. Zbl 1080.16504 El Bashir, Robert; Kepka, Tomáš; Němec, Petr 2 2003 Exchangeable partial groupoids. II. Zbl 0608.20051 Drápal, A.; Kepka, T. 2 1985 Sets of associative triples. Zbl 0612.05003 Drápal, A.; Kepka, T. 2 1985 A note on the number of associative triples in finite commutative Moufang loops. Zbl 0482.20046 Kepka, Tomas 2 1981 A construction of congruence-simple semirings. Zbl 1423.16043 Batíková, Barbora; Kepka, Tomáš; Němec, Petr 1 2018 Characteristic semimodules. Zbl 1380.16045 Batíková, Barbora; Kepka, Tomáš; Němec, Petr 1 2017 Critical semimodules. Zbl 1381.16044 Batíková, Barbora; Kepka, Tomáš; Němec, Petr 1 2017 Conjectures on additively divisible commutative semirings. Zbl 1399.16118 Kepka, Tomáš; Korbelář, Miroslav 7 2016 Simple semirings with zero. Zbl 1348.16033 Kepka, Tomáš; Kortelainen, Juha; Němec, Petr 3 2016 Simple semirings with left multiplicatively absorbing elements. Zbl 1352.16049 Kepka, Tomáš; Němec, Petr 1 2015 Finitely generated algebraic structures with various divisibility conditions. Zbl 1254.16041 Ježek, Jaroslav; Kala, Vítězslav; Kepka, Tomáš 7 2012 Commutative zeropotent semigroups with few prime ideals. Zbl 1249.20061 Ježek, Jaroslav; Kepka, Tomáš; Němec, Petr 1 2011 Finitely generated commutative division semirings. Zbl 1243.16051 Ježek, Jaroslav; Kepka, Tomáš 2 2010 The endomorphism semiring of a semilattice. Zbl 1171.16024 Ježek, J.; Kepka, T.; Maróti, M. 16 2009 The semiring of 1-preserving endomorphisms of a semilattice. Zbl 1224.06007 Ježek, Jaroslav; Kepka, Tomáš 7 2009 Notes on commutative parasemifields. Zbl 1203.16038 Kala, Vítězslav; Kepka, Tomáš; Korbelář, Miroslav 5 2009 Quasitrivial semimodules. III. Zbl 1181.16040 Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 2 2009 Various subsemirings of the field \(\mathbb Q\) of rational numbers. Zbl 1192.16044 Kala, V.; Kepka, T.; Korbelář, M.; Phillips, J. D. 1 2009 A note on finitely generated ideal-simple commutative semirings. Zbl 1192.16045 Kala, Vítězslav; Kepka, Tomáš 5 2008 Commutative semigroups that are nil of index 2 and have no irreducible elements. Zbl 1170.20312 Ježek, Jaroslav; Kepka, Tomáš; Němec, Petr 3 2008 Quasitrivial semimodules. I. Zbl 1169.16029 Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 3 2008 Quasitrivial semimodules. II. Zbl 1169.16030 Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr 2 2008 Commutative radical rings. II. Zbl 1166.13003 Kepka, Tomáš; Němec, Petr 1 2008 Congruence-simple semirings. Zbl 1155.16034 El Bashir, Robert; Kepka, Tomas 13 2007 Transitive closures of binary relations. I. Zbl 1135.03344 Flaška, Václav; Ježek, Jaroslav; Kepka, Tomáš; Kortelainen, Juha 7 2007 The structure of F-quasigroups. Zbl 1133.20051 Kepka, Tomáš; Kinyon, Michael K.; Phillips, J. D. 3 2007 Commutative radical rings. I. Zbl 1141.13001 Kepka, Tomáš; Němec, Petr 1 2007 Commutative zeropotent semigroups. Zbl 1145.20321 Flaška, Václav; Kepka, Tomáš 2 2006 Selfdistributive groupoids. D1: Left distributive semigroups. Zbl 1150.20046 Ježek, Jaroslav; Kepka, Tomáš 1 2006 A note on finitely generated commutative rings. Zbl 1094.13506 Kechlibar, Marian; Kepka, Tomáš; Kortelainen, Juha 2 2005 Subdirectly irreducible non-idempotent left symmetric left distributive groupoids. Zbl 1102.20045 Jeřábek, Emil; Kepka, Tomáš; Stanovský, David 2 2005 Bi-ideal-simple semirings. Zbl 1106.16048 Flaška, Václav; Kepka, Tomáš; Šaroch, Jan 2 2005 On loops whose inner permutations commute. Zbl 1101.20034 Csörgő, Piroska; Kepka, Tomáš 3 2004 Modules commuting (via Hom) with some colimits. Zbl 1080.16504 El Bashir, Robert; Kepka, Tomáš; Němec, Petr 2 2003 Infinite simple zeropotent paramedial groupoids. Zbl 1080.20505 Cho, Jung R.; Kepka, Tomáš 1 2003 The factor of a subdirectly irreducible algebra through its monolith. Zbl 1065.08006 Ježek, Jaroslav; Kepka, Tomáš 2 2002 Finite simple zeropotent paramedial groupoids. Zbl 1003.20055 Cho, Jung R.; Kepka, Tomáš 2 2002 Commutative semigroups with few invariant congruences. Zbl 0996.20042 El Bashir, Robert; Kepka, Tomáš 1 2002 Simple commutative semirings. Zbl 0976.16034 El Bashir, R.; Hurt, J.; Jančařík, A.; Kepka, T. 34 2001 The equational theory of paramedial cancellation groupoids. Zbl 1035.08002 Ježek, Jaroslav; Kepka, Tomáš 4 2000 Simple zeropotent paramedial groupoids are balanced. Zbl 1051.20031 El Bashir, Robert; Ježek, Jaroslav; Kepka, Tomáš 2 2000 Connected transversals – the Zassenhaus case. Zbl 1038.20022 Kepka, Tomáš; Němec, Petr 1 2000 Paramedial groupoids. Zbl 0955.20043 Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš 22 1999 Simple paramedial groupoids. Zbl 0955.20044 Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš 6 1999 On the Abelian inner permutation groups of loops. Zbl 0913.20043 Kepka, Tomáš 8 1998 Linear equational theories and semimodule representations. Zbl 0944.08003 Ježek, Jaroslav; Kepka, Tomáš 7 1998 Modules commuting (via Hom) with some limits. Zbl 0902.16009 El Bashir, Robert; Kepka, Tomáš 4 1998 Connected transversals to subnormal subgroups. Zbl 0889.20020 Kepka, T.; Phillips, J. D. 3 1997 Selfdistributive groupoids of small orders. Zbl 0901.20051 Ježek, J.; Kepka, T. 2 1997 Groupoids and the associative law. VI: Szász-Hájek groupoids of type \((a,b,c)\). Zbl 0889.20040 Kepka, T.; Trch, M. 2 1997 On when commutative noetherian rings are slender. Zbl 0881.13003 El Bashir, Robert; Kepka, Tomáš 1 1997 Simple balanced groupoids. Zbl 0963.20036 Kepka, Tomáš; Němec, Petr 3 1996 On when small semiprime rings are slender. Zbl 0854.16015 El Bashir, Robert; Kepka, Tomáš 2 1996 Bijective reflexions and coreflexions and commutative unars. Zbl 0899.08005 Ježek, Jaroslav; Kepka, Tomáš 1 1996 Groupoids and the associative law. V: Szász-Hájek groupoids of type \((a,a,b)\). Zbl 0828.20072 Kepka, Tomáš; Trch, Milan 1 1995 \(\bigcap\)-compact modules. Zbl 0844.16016 Kepka, Tomáš 1 1995 Groupoids and the associative law. III: Szász-Hájek groupoids. Zbl 0828.20071 Kepka, Tomáš; Trch, Milan 1 1995 On connected transversals to abelian subgroups. Zbl 0799.20020 Niemenmaa, Markku; Kepka, Tomas 13 1994 Group conjugation has non-trivial LD-identities. Zbl 0810.20053 Drápal, Aleš; Kepka, Tomáš; Musílek, Michal 6 1994 Groupoids and the associative law. IV: Szász-Hájek groupoids of type \((a,b,a)\). Zbl 0819.20075 Kepka, Tomáš; Trch, Milan 1 1994 On loops with cyclic inner mappings groups. Zbl 0789.20080 Kepka, Tomáš; Niemenmaa, Markku 12 1993 A note on medial division groupoids. Zbl 0815.20067 Ježek, J.; Kepka, T. 3 1993 Groupoids and the associative law. II: Groupoids with small semigroup distance. Zbl 0809.20056 Kepka, Tomáš; Trch, Milan 2 1993 Multiplication groups of quasigroups and loops. I. Zbl 0817.20069 Drápal, Aleš; Kepka, Tomáš 1 1993 Semirings whose additive endomorphisms are multiplicative. Zbl 0787.16029 Kepka, Tomáš 1 1993 On connected transversals to abelian subgroups in finite groups. Zbl 0793.20064 Niemenmaa, Markku; Kepka, Tomas 12 1992 Rings with left self distributive multiplication. Zbl 0782.16018 Birkenmeier, G. F.; Heatherly, H.; Kepka, T. 7 1992 Groupoids and the associative law. I: Associative triples. Zbl 0791.20084 Kepka, Tomáš; Trch, Milan 2 1992 On a general associativity law in groupoids. Zbl 0768.20032 Niemenmaa, Markku; Kepka, Tomas 1 1992 Associativity semihypergroups and cardinal-valued semigroups. Zbl 0771.20022 Kepka, Tomáš 1 1991 On multiplication groups of loops. Zbl 0706.20046 Niemenmaa, Markku; Kepka, Tomáš 53 1990 Notes on the number of associative triples. Zbl 0786.20042 Ježek, Jaroslav; Kepka, Tomáš 3 1990 Trimedial quasigroups and generalized modules. I. Zbl 0790.20088 Kepka, Tomáš; Němec, Petr 1 1990 On a distance of groups and Latin squares. Zbl 0697.05018 Drápal, Aleš; Kepka, Tomáš 8 1989 Alternating groups and Latin squares. Zbl 0673.20038 Drápal, Aleš; Kepka, Tomáš 7 1989 Quasigroups having at most three inner mappings. Zbl 0702.20053 Kepka, T. 1 1989 Varieties of groupoids determined by short linear identities. Zbl 0697.20047 Ježek, Jaroslav; Kepka, Tomáš 1 1989 On conjugate classes in finite loops. Zbl 0644.20039 Kepka, T.; Niemenmaa, M. 6 1988 On representable pairs. Zbl 0661.20041 Kepka, Tomáš; Němec, Petr; Niemenmaa, Markku 1 1988 Parity of orthogonal automorphisms. Zbl 0632.20041 Drápal, Aleš; Kepka, Tomáš 2 1987 Parity of orthogonal permutations. Zbl 0632.20042 Drápal, Aleš; Kepka, Tomáš 1 1987 Small finite trimedial quasigroups. Zbl 0606.20061 Kepka, Tomas; Bénéteau, Lucien; Lacaze, Jacqueline 4 1986 A construction of commutative Moufang loops and quasimodules. Zbl 0613.20046 Kepka, Tomáš 1 1986 On splitting k-systems. Zbl 0608.20054 Kepka, T.; Niemenmaa, M. 1 1986 Structure of T-rings. Zbl 0588.16021 Trlifaj, J.; Kepka, T. 4 1985 Group distances of Latin squares. Zbl 0589.05023 Drápal, Aleš; Kepka, Tomáš 3 1985 Quasigroupes trimédiaux et boucles de Moufang commutatives libres. (Free trimedial quasigroups and free commutative Moufang loops). Zbl 0578.20062 Bénéteau, Lucien; Kepka, Tomas 2 1985 Exchangeable partial groupoids. II. Zbl 0608.20051 Drápal, A.; Kepka, T. 2 1985 Sets of associative triples. Zbl 0612.05003 Drápal, A.; Kepka, T. 2 1985 Théorèmes de structure dans certains groupoïdes localement nilpotents. (Structure theorems for some locally nilpotent groupoids). Zbl 0578.20061 Bénéteau, Lucien; Kepka, Tomas 1 1985 Hamiltonian quasimodules and trimedial quasigroups. Zbl 0595.20071 Kepka, T. 1 1985 Permutable groupoids. Zbl 0562.20037 Ježek, Jaroslav; Kepka, Tomáš 4 1984 Varieties of left distributive semigroups. Zbl 0589.20037 Kepka, T. 3 1984 A construction of Bruck loops. Zbl 0563.20053 Kepka, T. 2 1984 Modular groupoids. Zbl 0571.20053 Ježek, Jaroslav; Kepka, Tomáš 2 1984 Graphs and associative triples in quasitrivial groupoids. Zbl 0563.20055 Kepka, T.; Kratochvil, J. 1 1984 Torsion quasimodules. Zbl 0567.20045 Kepka, T.; Němec, P. 1 1984 Equational theories of medial groupoids. Zbl 0538.08008 Ježek, J.; Kepka, T. 29 1983 Medial groupoids. Zbl 0527.20044 Jezek, Jaroslav; Kepka, Tomas 22 1983 Exchangeable partial groupoids. I. Zbl 0524.20048 Drapal, A.; Kepka, T. 10 1983 Group modifications of some partial groupoids. Zbl 0519.20051 Drapal, A.; Kepka, T. 6 1983 Notes on distributive groupoids. Zbl 0566.20043 Ježek, J.; Kepka, T. 5 1983 Simple semimodules over commutative semirings. Zbl 0536.16034 Ježek, J.; Kepka, T. 3 1983 Distributive groupoids and preradicals. II. Zbl 0529.20057 Kepka, T. 2 1983 ...and 65 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 387 Authors 46 Kepka, Tomas 30 Drápal, Aleš 18 Niemenmaa, Markku 17 Ježek, Jaroslav 13 Birkenmeier, Gary Francis 13 Csörgő, Piroska 12 Vojtěchovský, Petr 11 Korbelář, Miroslav 11 Nemec, Petr 11 Rincón-Mejía, Hugo Alberto 11 Romanowska, Anna B. 10 Medina-Bárcenas, Mauricio Gabriel 9 Bican, Ladislav 9 Figula, Ágota 9 Nam, Tran Giang 9 Smith, Jonathan Dallas Hayden 8 Abuhlail, Jawad Y. 8 Heatherly, Henry E. 8 Jedlička, Přemysl 8 Katsov, Yefim 8 Kausar, Nasreen 8 Ríos Montes, José 8 Stanovský, David 7 Cavenagh, Nicholas J. 7 Kala, Vítězslav 7 Sandoval-Miranda, Martha Lizbeth Shaid 6 Castro Pérez, Jaime 6 Davidov, Sergey S. 6 Kinyon, Michael K. 6 Zumbrägel, Jens 5 Alam, Aftab 5 Artamonov, Vyacheslav Aleksandrovich 5 Beneteau, Lucien 5 Dehornoy, Patrick 5 Fernández-Alonso, Rogelio 5 Imdad, Mohammad 5 Kashu, Alekseĭ Ivanovich 5 Phillips, Jon D. 5 Pilitowska, Agata 5 Zaldívar Corichi, Luis Ángel 4 Cho, Jung Rae 4 Devillet, Jimmy 4 Il’in, Sergey N. 4 Jambor, Paul E. 4 Matczak, Katarzyna 4 Movsisyan, Yuri Movses 4 Shcherbacov, Victor A. 4 Ssevviiri, David 4 Trlifaj, Jan jun. 4 Vesanen, Ari 4 Wanless, Ian M. 4 Zamojska-Dzienio, Anna 4 Zorrilla-Noriega, Manuel Gerardo 3 Al-Abayechi, Ameer 3 Beachy, John A. 3 Chakrabarti, Sucheta 3 Donovan, Diane M. 3 Dudek, Józef 3 Durğun, Yılmaz 3 El Bashir, Robert 3 Gusev, Sergeĭ Valentinovich 3 Hamalainen, Carlo 3 Jirasko, Josef 3 Landsmann, Günter 3 Marichal, Jean-Luc 3 Markov, Viktor Timofeevich 3 Nagy, Gábor Péter 3 van den Berg, John E. 3 Vladeva, Dimitrinka Ivanova 3 Volkov, Mikhail Vladimirovich 3 Waqar, Muhammad Azam 2 Alizade, R. G. 2 Alvarado-García, Alejandro 2 Arif, Mohammad 2 Bergman, Clifford 2 Bergman, George M. 2 Bonatto, Marco 2 Cejudo-Castilla, César 2 Cerda-León, Erwin 2 Chauhan, Dimpy 2 Cheremushkin, Aleksandr V. 2 Couceiro, Miguel 2 Crivei, Septimiu 2 Duplák, Ján 2 Ehsani, Amir 2 Galatenko, Alekseĭ Vladimirovich 2 Gavito, Silvia 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 Lehtonen, Erkko 2 Leppälä, Emma 2 Lewallen, John A. 2 Lisoněk, Petr ...and 287 more Authors all top 5 Cited in 116 Serials 45 Communications in Algebra 44 Czechoslovak Mathematical Journal 28 Journal of Algebra and its Applications 23 Journal of Algebra 16 Algebra Universalis 16 Semigroup Forum 13 European Journal of Combinatorics 12 Journal of Pure and Applied Algebra 10 Discrete Mathematics 9 Journal of Mathematical Sciences (New York) 8 International Journal of Algebra and Computation 7 Bulletin of the Australian Mathematical Society 7 Archiv der Mathematik 7 Commentationes Mathematicae Universitatis Carolinae 6 Mathematical Notes 6 Mathematica Slovaca 6 Proceedings of the American Mathematical Society 6 Buletinul Academiei de Științe a Republicii Moldova. Matematica 5 Results in Mathematics 5 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 5 Applied Categorical Structures 4 Journal of Soviet Mathematics 4 Monatshefte für Mathematik 4 Transactions of the American Mathematical Society 4 Bulletin of the Korean Mathematical Society 4 Acta Mathematica Hungarica 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 Forum Mathematicum 3 Designs, Codes and Cryptography 3 Aequationes Mathematicae 3 Journal of Algebraic Combinatorics 3 Journal of Combinatorial Designs 3 Algebras and Representation Theory 3 Algebra and Discrete Mathematics 3 Hacettepe Journal of Mathematics and Statistics 3 Thai Journal of Mathematics 3 European Journal of Pure and Applied Mathematics 3 International Journal of Analysis and Applications 3 AIMS Mathematics 2 Quaestiones Mathematicae 2 Topology and its Applications 2 Journal of Symbolic Computation 2 Lobachevskii Journal of Mathematics 2 Journal of the Australian Mathematical Society 2 Chebyshevskiĭ Sbornik 2 International Electronic Journal of Algebra (IEJA) 2 São Paulo Journal of Mathematical Sciences 2 Armenian Journal of Mathematics 2 Journal of Mathematics 2 Journal of Function Spaces 2 Prikladnaya Diskretnaya Matematika 1 American Mathematical Monthly 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 Formal Methods in System Design 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 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 ...and 16 more Serials all top 5 Cited in 25 Fields 231 Group theory and generalizations (20-XX) 179 Associative rings and algebras (16-XX) 87 General algebraic systems (08-XX) 50 Order, lattices, ordered algebraic structures (06-XX) 47 Combinatorics (05-XX) 34 Category theory; homological algebra (18-XX) 18 Nonassociative rings and algebras (17-XX) 15 Commutative algebra (13-XX) 13 Field theory and polynomials (12-XX) 12 Mathematical logic and foundations (03-XX) 11 General topology (54-XX) 10 Topological groups, Lie groups (22-XX) 10 Computer science (68-XX) 6 Linear and multilinear algebra; matrix theory (15-XX) 6 Convex and discrete geometry (52-XX) 6 Information and communication theory, circuits (94-XX) 5 Difference and functional equations (39-XX) 5 Manifolds and cell complexes (57-XX) 4 Geometry (51-XX) 3 Number theory (11-XX) 2 Real functions (26-XX) 1 Algebraic geometry (14-XX) 1 Ordinary differential equations (34-XX) 1 Operator theory (47-XX) 1 Algebraic topology (55-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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