Edit Profile (opens in new tab) Kubiak, Tomasz Compute Distance To: Compute Author ID: kubiak.tomasz Published as: Kubiak, Tomasz; Kubiak, T.; Kubiák, T. more...less External Links: MGP Documents Indexed: 74 Publications since 1982 Reviewing Activity: 152 Reviews Co-Authors: 13 Co-Authors with 52 Joint Publications 621 Co-Co-Authors all top 5 Co-Authors 21 single-authored 27 Gutiérrez García, Javier 12 de Prada Vicente, María Angeles 11 Höhle, Ulrich 7 Picado, Jorge 3 Kotzé, Wesley 3 Mardones-Pérez, Iraide 3 Šostak, Alexander P. 1 Cho, Yeol Je 1 Español, Luis 1 Klimorowski, K. 1 Mastyło, Mieczysław 1 Sempi, Carlo 1 Zhang, Dexue all top 5 Serials 15 Fuzzy Sets and Systems 5 Mathematica Japonica 4 Algebra Universalis 4 Journal of Pure and Applied Algebra 4 Quaestiones Mathematicae 4 Semigroup Forum 3 Journal of Mathematical Analysis and Applications 3 Topology and its Applications 2 Houston Journal of Mathematics 2 Commentationes Mathematicae Universitatis Carolinae 2 Czechoslovak Mathematical Journal 2 Functiones et Approximatio. Commentarii Mathematici 2 International Journal of Mathematics and Mathematical Sciences 2 Mathematische Nachrichten 2 Libertas Mathematica 2 Applied General Topology 1 Fasciculi Mathematici 1 Acta Mathematica Hungarica 1 Questions and Answers in General Topology 1 Order 1 Journal of the Australian Mathematical Society. Series A 1 Studia Universitatis Babeș-Bolyai. Mathematica 1 Bollettino della Unione Matemàtica Italiana. Serie VII. A 1 Applied Categorical Structures 1 Commentationes Mathematicae all top 5 Fields 65 General topology (54-XX) 26 Order, lattices, ordered algebraic structures (06-XX) 7 Mathematical logic and foundations (03-XX) 5 Category theory; homological algebra (18-XX) 4 Functional analysis (46-XX) 3 Real functions (26-XX) 2 Measure and integration (28-XX) 1 History and biography (01-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 59 Publications have been cited 596 times in 331 Documents Cited by ▼ Year ▼ Fuzzy bitopological spaces and fuzzy quasi-proximities. Zbl 0589.54013Kubiak, Tomasz 96 1985 The topological modification of the \(L\)-fuzzy unit interval. Zbl 0766.54006Kubiák, T. 45 1992 A non-commutative and non-idempotent theory of quantale sets. Zbl 1226.06011Höhle, Ulrich; Kubiak, Tomasz 40 2011 On \(L\)-Tychonoff spaces. Zbl 0867.54005Kubiak, Tomasz 37 1995 Lower set-valued fuzzy topologies. Zbl 0890.54005Kubiak, T.; Šostak, A. 30 1997 Separation axioms: Extension of mappings and embedding of spaces. Zbl 0977.54007Kubiak, T. 26 1999 L-fuzzy normal spaces and Tietze extension theorem. Zbl 0643.54008Kubiak, Tomasz 24 1987 Localic real functions: A general setting. Zbl 1187.06005Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 20 2009 Pointfree forms of Dowker’s and Michael’s insertion theorems. Zbl 1154.06006Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 19 2009 Extending continuous L-real functions. Zbl 0616.54004Kubiak, Tomasz 18 1986 Insertion of lattice-valued and hedgehog-valued functions. Zbl 1094.54009Gutiérrez García, J.; Kubiak, T.; de Prada Vicente, M. A. 14 2006 Fuzzy topologies of Scott continuous functions and their relation to the hypergraph functor. Zbl 0764.54004Kotzé, Wesley; Kubiak, Tomasz 13 1992 Monotone insertion of continuous functions. Zbl 0826.54023Kubiak, Tomasz 13 1993 Many valued topologies and lower semicontinuity. Zbl 1125.06006Höhle, Ulrich; Kubiak, Tomasz 13 2007 A fuzzification of the category of \(M\)-valued \(L\)-topological spaces. Zbl 1069.54007Kubiak, Tomasz; Šostak, Alexander P. 12 2004 Tensor products of complete lattices and their application in constructing quantales. Zbl 1393.06003Gutiérrez García, Javier; Höhle, Ulrich; Kubiak, Tomasz 10 2017 Lower and upper regularizations of frame semicontinuous real functions. Zbl 1181.06003Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 10 2009 Some questions in fuzzy topology. Zbl 0929.54007Kubiak, T.; de Prada Vicente, M. A. 9 1999 Are higher fuzzy separation axioms good extensions? Zbl 0804.54006Kubiak, Tomasz 9 1993 Monotone insertion and monotone extension of frame homomorphisms. Zbl 1133.06008Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 9 2008 Separating families of locale maps and localic embeddings. Zbl 1259.06011Español, Luis; Gutiérrez García, Javier; Kubiak, Tomasz 9 2012 Higher separation axioms in \(L\)-topologically generated \(\mathbb I(L)\)-topological spaces. Zbl 1009.54008Kubiak, Tomasz; Mardones-Pérez, Iraide 8 2002 A strengthening of the Katětov-Tong insertion theorem. Zbl 0807.54023Kubiak, Tomasz 8 1993 Inserting \(L\)-fuzzy real-valued functions. Zbl 0815.54006Kotzé, Wesley; Kubiak, Tomasz 6 1993 Fixed point theorems for contractive type multivalued mappings. Zbl 0567.54030Kubiak, Tomasz 6 1985 Regular \(L\)-fuzzy topological spaces and their topological modifications. Zbl 0951.54009Kubiak, T.; de Prada Vicente, M. A. 5 2000 Hereditary normality plus extremal disconnectedness and insertion of a continuous function. Zbl 0895.54021Kubiak, Tomasz; de Prada Vicente, Maria A. 5 1997 On the \(L\)-fuzzy Brouwer fixed point theorem. Zbl 0932.54011Kubiak, Tomasz; Zhang, Dexue 5 1999 Insertion of a measurable function. Zbl 0851.54018Kotzé, Wesley; Kubiak, Tomasz 5 1994 On hereditary properties of extremally disconnected frames and normal frames. Zbl 1477.06033Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 5 2020 Generating and inserting continuous functions with values in bounded complete domains and hedgehog-like structures. Zbl 1160.54012Gutiérrez García, Javier; Kubiak, T.; de Prada Vicente, M. A. 5 2008 General insertion and extension theorems for localic real functions. Zbl 1217.06003Gutiérrez García, Javier; Kubiak, Tomasz 5 2011 A note on Hausdorff separation in \(L\)-TOP. Zbl 1177.54001Höhle, Ulrich; Kubiak, Tomasz 4 2008 Common fixed points of pairwise commuting mappings. Zbl 0568.54032Kubiak, Tomasz 4 1984 On extremally disconnected subspaces. Zbl 0721.54036Kubiak, Tomasz 3 1990 An insertion theorem for continuous \(\mathbb I(L)\)-valued functions and its consequences. Zbl 1058.54005Kubiak, Tomasz; Mardones-Pérez, Iraide 3 2004 Approximating orders in meet-continuous lattices and regularity axioms in many valued topology. Zbl 1146.06004Höhle, Ulrich; Kubiak, Tomasz 3 2008 On regularity of sup-preserving maps: generalizing Zareckiĭ’s theorem. Zbl 1253.06011Höhle, Ulrich; Kubiak, Tomasz 3 2011 A new look at some classical theorems on continuous functions on normal spaces. Zbl 1212.54072Gutiérrez García, J.; Kubiak, T. 3 2008 Two coincidence theorems for contractive type multivalued mappings. Zbl 0579.54037Kubiak, Tomasz 3 1985 Forty years of Hutton fuzzy unit interval. Zbl 1368.54012Gutiérrez García, Javier; Kubiak, Tomasz 2 2015 Fuzzy reals: Topological results surveyed, Brouwer fixed point theorem, open questions. Zbl 1041.54010Kubiak, T. 2 2003 Perfectness in locales. Zbl 1436.06022Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 2 2017 An extension of the fuzzy unit interval to a tensor product with completely distributive first factor. Zbl 1423.06030Gutiérrez García, Javier; Höhle, Ulrich; Kubiak, Tomasz 2 2019 The fuzzy unit interval and the Helly space. Zbl 0644.54007Kubiak, Tomasz 2 1988 The fuzzy Brouwer fixed-point theorem. Zbl 0907.54006Kubiak, Tomasz 2 1998 lim-inf convergence in completely \(L\)-regular spaces. Zbl 0912.54004Kubiak, T.; de Prada Vicente, M. A. 2 1998 Sandwich-type characterization of completely regular spaces. Zbl 1152.54020Gutiérrez García, Javier; Kubiak, Tomasz 2 2007 \(L\)-uniform spaces versus \(\mathbb {I}(L)\)-uniform spaces. Zbl 1100.54005Kubiak, Tomasz; Mardones-Pérez, Iraide; De Prada-Vicente, María Angeles 2 2006 On \(L\)-Tychonoff spaces. II. Zbl 1254.54009Kubiak, Tomasz 2 2011 On quasi-uniform space valued semi-continuous functions. Zbl 1212.54043Kubiak, T.; de Prada Vicente, M. A. 2 2009 Perfect locales and localic real functions. Zbl 1453.06010Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 2 2020 Extension of continuous functions on \(L\)-fuzzy topological spaces. Zbl 0990.54004Kubiak, Tomasz 1 2001 Controlling disjointness with a hedgehog. Zbl 1176.54015Gutiérrez García, J.; Kubiak, T.; de Prada Vicente, M. A. 1 2009 On internal characterizations of completely \(L\)-regular spaces. Zbl 0890.54004Kubiak, Tomasz; de Prada Vicente, María Angeles 1 1997 Preserving continuity by Zadeh extension and invariance of separation axioms under surjections. Zbl 1260.54010Gutiérrez García, J.; Kubiak, T. 1 2012 Correction to: “Some characterizations of the tensor product of complete lattices with applications to quantales”. Zbl 1453.06006Gutiérrez García, Javier; Höhle, Ulrich; Kubiak, Tomasz 1 2020 A preservation result for completely regular locales. Zbl 1315.06011Gutiérrez García, Javier; Kubiak, Tomasz 1 2014 Inserting measurable functions precisely. Zbl 1349.28002Gutiérrez García, Javier; Kubiak, Tomasz 1 2014 On hereditary properties of extremally disconnected frames and normal frames. Zbl 1477.06033Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 5 2020 Perfect locales and localic real functions. Zbl 1453.06010Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 2 2020 Correction to: “Some characterizations of the tensor product of complete lattices with applications to quantales”. Zbl 1453.06006Gutiérrez García, Javier; Höhle, Ulrich; Kubiak, Tomasz 1 2020 An extension of the fuzzy unit interval to a tensor product with completely distributive first factor. Zbl 1423.06030Gutiérrez García, Javier; Höhle, Ulrich; Kubiak, Tomasz 2 2019 Tensor products of complete lattices and their application in constructing quantales. Zbl 1393.06003Gutiérrez García, Javier; Höhle, Ulrich; Kubiak, Tomasz 10 2017 Perfectness in locales. Zbl 1436.06022Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 2 2017 Forty years of Hutton fuzzy unit interval. Zbl 1368.54012Gutiérrez García, Javier; Kubiak, Tomasz 2 2015 A preservation result for completely regular locales. Zbl 1315.06011Gutiérrez García, Javier; Kubiak, Tomasz 1 2014 Inserting measurable functions precisely. Zbl 1349.28002Gutiérrez García, Javier; Kubiak, Tomasz 1 2014 Separating families of locale maps and localic embeddings. Zbl 1259.06011Español, Luis; Gutiérrez García, Javier; Kubiak, Tomasz 9 2012 Preserving continuity by Zadeh extension and invariance of separation axioms under surjections. Zbl 1260.54010Gutiérrez García, J.; Kubiak, T. 1 2012 A non-commutative and non-idempotent theory of quantale sets. Zbl 1226.06011Höhle, Ulrich; Kubiak, Tomasz 40 2011 General insertion and extension theorems for localic real functions. Zbl 1217.06003Gutiérrez García, Javier; Kubiak, Tomasz 5 2011 On regularity of sup-preserving maps: generalizing Zareckiĭ’s theorem. Zbl 1253.06011Höhle, Ulrich; Kubiak, Tomasz 3 2011 On \(L\)-Tychonoff spaces. II. Zbl 1254.54009Kubiak, Tomasz 2 2011 Localic real functions: A general setting. Zbl 1187.06005Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 20 2009 Pointfree forms of Dowker’s and Michael’s insertion theorems. Zbl 1154.06006Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 19 2009 Lower and upper regularizations of frame semicontinuous real functions. Zbl 1181.06003Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 10 2009 On quasi-uniform space valued semi-continuous functions. Zbl 1212.54043Kubiak, T.; de Prada Vicente, M. A. 2 2009 Controlling disjointness with a hedgehog. Zbl 1176.54015Gutiérrez García, J.; Kubiak, T.; de Prada Vicente, M. A. 1 2009 Monotone insertion and monotone extension of frame homomorphisms. Zbl 1133.06008Gutiérrez García, Javier; Kubiak, Tomasz; Picado, Jorge 9 2008 Generating and inserting continuous functions with values in bounded complete domains and hedgehog-like structures. Zbl 1160.54012Gutiérrez García, Javier; Kubiak, T.; de Prada Vicente, M. A. 5 2008 A note on Hausdorff separation in \(L\)-TOP. Zbl 1177.54001Höhle, Ulrich; Kubiak, Tomasz 4 2008 Approximating orders in meet-continuous lattices and regularity axioms in many valued topology. Zbl 1146.06004Höhle, Ulrich; Kubiak, Tomasz 3 2008 A new look at some classical theorems on continuous functions on normal spaces. Zbl 1212.54072Gutiérrez García, J.; Kubiak, T. 3 2008 Many valued topologies and lower semicontinuity. Zbl 1125.06006Höhle, Ulrich; Kubiak, Tomasz 13 2007 Sandwich-type characterization of completely regular spaces. Zbl 1152.54020Gutiérrez García, Javier; Kubiak, Tomasz 2 2007 Insertion of lattice-valued and hedgehog-valued functions. Zbl 1094.54009Gutiérrez García, J.; Kubiak, T.; de Prada Vicente, M. A. 14 2006 \(L\)-uniform spaces versus \(\mathbb {I}(L)\)-uniform spaces. Zbl 1100.54005Kubiak, Tomasz; Mardones-Pérez, Iraide; De Prada-Vicente, María Angeles 2 2006 A fuzzification of the category of \(M\)-valued \(L\)-topological spaces. Zbl 1069.54007Kubiak, Tomasz; Šostak, Alexander P. 12 2004 An insertion theorem for continuous \(\mathbb I(L)\)-valued functions and its consequences. Zbl 1058.54005Kubiak, Tomasz; Mardones-Pérez, Iraide 3 2004 Fuzzy reals: Topological results surveyed, Brouwer fixed point theorem, open questions. Zbl 1041.54010Kubiak, T. 2 2003 Higher separation axioms in \(L\)-topologically generated \(\mathbb I(L)\)-topological spaces. Zbl 1009.54008Kubiak, Tomasz; Mardones-Pérez, Iraide 8 2002 Extension of continuous functions on \(L\)-fuzzy topological spaces. Zbl 0990.54004Kubiak, Tomasz 1 2001 Regular \(L\)-fuzzy topological spaces and their topological modifications. Zbl 0951.54009Kubiak, T.; de Prada Vicente, M. A. 5 2000 Separation axioms: Extension of mappings and embedding of spaces. Zbl 0977.54007Kubiak, T. 26 1999 Some questions in fuzzy topology. Zbl 0929.54007Kubiak, T.; de Prada Vicente, M. A. 9 1999 On the \(L\)-fuzzy Brouwer fixed point theorem. Zbl 0932.54011Kubiak, Tomasz; Zhang, Dexue 5 1999 The fuzzy Brouwer fixed-point theorem. Zbl 0907.54006Kubiak, Tomasz 2 1998 lim-inf convergence in completely \(L\)-regular spaces. Zbl 0912.54004Kubiak, T.; de Prada Vicente, M. A. 2 1998 Lower set-valued fuzzy topologies. Zbl 0890.54005Kubiak, T.; Šostak, A. 30 1997 Hereditary normality plus extremal disconnectedness and insertion of a continuous function. Zbl 0895.54021Kubiak, Tomasz; de Prada Vicente, Maria A. 5 1997 On internal characterizations of completely \(L\)-regular spaces. Zbl 0890.54004Kubiak, Tomasz; de Prada Vicente, María Angeles 1 1997 On \(L\)-Tychonoff spaces. Zbl 0867.54005Kubiak, Tomasz 37 1995 Insertion of a measurable function. Zbl 0851.54018Kotzé, Wesley; Kubiak, Tomasz 5 1994 Monotone insertion of continuous functions. Zbl 0826.54023Kubiak, Tomasz 13 1993 Are higher fuzzy separation axioms good extensions? Zbl 0804.54006Kubiak, Tomasz 9 1993 A strengthening of the Katětov-Tong insertion theorem. Zbl 0807.54023Kubiak, Tomasz 8 1993 Inserting \(L\)-fuzzy real-valued functions. Zbl 0815.54006Kotzé, Wesley; Kubiak, Tomasz 6 1993 The topological modification of the \(L\)-fuzzy unit interval. Zbl 0766.54006Kubiák, T. 45 1992 Fuzzy topologies of Scott continuous functions and their relation to the hypergraph functor. Zbl 0764.54004Kotzé, Wesley; Kubiak, Tomasz 13 1992 On extremally disconnected subspaces. Zbl 0721.54036Kubiak, Tomasz 3 1990 The fuzzy unit interval and the Helly space. Zbl 0644.54007Kubiak, Tomasz 2 1988 L-fuzzy normal spaces and Tietze extension theorem. Zbl 0643.54008Kubiak, Tomasz 24 1987 Extending continuous L-real functions. Zbl 0616.54004Kubiak, Tomasz 18 1986 Fuzzy bitopological spaces and fuzzy quasi-proximities. Zbl 0589.54013Kubiak, Tomasz 96 1985 Fixed point theorems for contractive type multivalued mappings. Zbl 0567.54030Kubiak, Tomasz 6 1985 Two coincidence theorems for contractive type multivalued mappings. Zbl 0579.54037Kubiak, Tomasz 3 1985 Common fixed points of pairwise commuting mappings. Zbl 0568.54032Kubiak, Tomasz 4 1984 all cited Publications top 5 cited Publications all top 5 Cited by 255 Authors 39 Gutiérrez García, Javier 33 Kubiak, Tomasz 24 Picado, Jorge 19 Höhle, Ulrich 18 Shi, Fu-Gui 16 Zhang, Dexue 14 Šostak, Alexander P. 12 Fang, Jinming 12 Rodabaugh, Stephen Ernest 11 de Prada Vicente, María Angeles 11 Solovyov, Sergey A. 10 Ghareeb, A. 10 Lai, Hongliang 10 Li, Shenggang 10 Yue, Yueli 9 Shen, Lili 8 Dube, Themba 7 Abbas, Salah El-Deen 7 Fang, Jinxuan 7 Mardones-Pérez, Iraide 7 Yan, Conghua 6 Han, Shengwei 6 Mozo Carollo, Imanol 5 Aygün, Halis 5 Pultr, Aleš 5 Sayed, Osama Rashed 5 Yang, Erguang 5 Yao, Wei 4 Demirci, Mustafa 4 Denniston, Jeffrey T. 4 Ekmekçi, Ramazan 4 Georgiou, Dimitrios N. 4 Ighedo, Oghenetega 4 Iliadis, Stavros D. 4 Luo, Maokang 4 Megaritis, Athanasios C. 4 Melton, Austin C. jun. 4 Sereti, Fotini 3 Abd-Allah, Mohammed Azab 3 Abd El-Latif, Ahmed Aref 3 Avilez, Ana Belén 3 Cho, Yeol Je 3 Ferreira, Maria João 3 Li, Sanjiang 3 Naidoo, Inderasan 3 Tao, Yuanye 3 Uļjane, Ingrǐda 3 Wang, Geping 3 Xie, Lihong 3 Yamazaki, Kaori 3 Zhang, Huapeng 3 Zhao, Bin 3 Zhong, Yu 2 Arrieta, Igor 2 Banaschewski, Bernhard 2 Bezhanishvili, Guram 2 Çetkin, Vildan 2 Chandrasekar, Veerappan 2 Cho, Seonghoon 2 Eklund, Patrik E. 2 El-Saady, Kamal 2 Ertürk, Rıza 2 Estaji, Ali Akbar 2 Guido, Cosimo 2 Jinming, Fang 2 Kiliçman, Adem 2 Kopperman, Ralph David 2 Kortelainen, Jari 2 Lee, Gwangyeon 2 Li, Haiyang 2 Li, Hongyan 2 Li, Lingqiang 2 Lu, Juan 2 Mohammed, Fatimah M. 2 Morandi, Patrick J. 2 Morsi, Nehad Nashaat 2 Noorani, Mohd Salmi Mohd 2 Olberding, Bruce M. 2 Pang, Bin 2 Parimala, Somasundaram 2 Stubbe, Isar 2 Száz, Árpád 2 Tholen, Walter 2 Walters-Wayland, Joanne 2 Xu, Xiaoting 2 Yan, Pengfei 2 Yang, Xiaofei 2 Zaldívar Corichi, Luis Ángel 2 Zheng, Chongyou 1 Agarwal, Ravi P. 1 Ahmad, Jamshaid 1 Ahmadullah, Md 1 Al-Mazrooei, Abdullah Eqal 1 Al-Omeri, Wadei Faris 1 Alaca, Cihangir 1 Alghamdi, Azza M. 1 Alshammari, Ibtesam 1 Asmuss, Svetlana V. 1 Ávila, F. 1 Aydoğdu, Ebru ...and 155 more Authors all top 5 Cited in 62 Serials 145 Fuzzy Sets and Systems 32 Topology and its Applications 13 Journal of Pure and Applied Algebra 9 Quaestiones Mathematicae 8 Algebra Universalis 7 Journal of Mathematical Analysis and Applications 7 Information Sciences 6 Applied Categorical Structures 6 Filomat 5 Order 5 Iranian Journal of Fuzzy Systems 4 International Journal of Mathematics and Mathematical Sciences 4 Journal of the Egyptian Mathematical Society 4 Soft Computing 3 Computers & Mathematics with Applications 3 Chaos, Solitons and Fractals 3 Czechoslovak Mathematical Journal 3 Semigroup Forum 3 Acta Mathematica Hungarica 3 Sahand Communications in Mathematical Analysis 2 Applied Mathematics Letters 2 Mathematical and Computer Modelling 2 Journal of Mathematical Sciences (New York) 2 Computational and Applied Mathematics 2 Theory and Applications of Categories 2 Abstract and Applied Analysis 2 Advances in Fuzzy Systems 2 Applied General Topology 2 Journal of Mathematics 1 American Mathematical Monthly 1 Reports on Mathematical Physics 1 Ukrainian Mathematical Journal 1 Applied Mathematics and Computation 1 Demonstratio Mathematica 1 Journal of Soviet Mathematics 1 The Journal of Symbolic Logic 1 Mathematische Nachrichten 1 Mathematica Slovaca 1 Studia Logica 1 Bulletin of the Iranian Mathematical Society 1 International Journal of Approximate Reasoning 1 MSCS. Mathematical Structures in Computer Science 1 Linear Algebra and its Applications 1 Topology Proceedings 1 Journal of Inequalities and Applications 1 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 1 Journal of Applied Mathematics and Computing 1 Journal of Intelligent and Fuzzy Systems 1 Journal of Multiple-Valued Logic and Soft Computing 1 Fixed Point Theory and Applications 1 New Mathematics and Natural Computation 1 Proyecciones 1 Applications and Applied Mathematics 1 Acta Universitatis Sapientiae. Mathematica 1 Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica 1 TWMS Journal of Pure and Applied Mathematics 1 Arabian Journal of Mathematics 1 Palestine Journal of Mathematics 1 Mathematical Sciences 1 Mathematics 1 International Journal of Applied and Computational Mathematics 1 Categories and General Algebraic Structures with Applications all top 5 Cited in 25 Fields 272 General topology (54-XX) 126 Order, lattices, ordered algebraic structures (06-XX) 59 Category theory; homological algebra (18-XX) 46 Mathematical logic and foundations (03-XX) 16 Functional analysis (46-XX) 10 Real functions (26-XX) 9 General algebraic systems (08-XX) 9 Operator theory (47-XX) 6 Commutative algebra (13-XX) 6 Group theory and generalizations (20-XX) 5 Topological groups, Lie groups (22-XX) 5 Computer science (68-XX) 2 History and biography (01-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Approximations and expansions (41-XX) 2 Integral equations (45-XX) 2 Convex and discrete geometry (52-XX) 2 Algebraic topology (55-XX) 2 Quantum theory (81-XX) 1 Combinatorics (05-XX) 1 Associative rings and algebras (16-XX) 1 Measure and integration (28-XX) 1 Probability theory and stochastic processes (60-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Information and communication theory, circuits (94-XX) Citations by Year