Edit Profile (opens in new tab) Wójtowicz, Marek Co-Author Distance Author ID: wojtowicz.marek Published as: Wójtowicz, Marek; Wójtowicz, M.; Wojtowicz, Marek more...less External Links: MGP Documents Indexed: 71 Publications since 1983 3 Contributions as Editor · 1 Further Contribution Co-Authors: 18 Co-Authors with 39 Joint Publications 719 Co-Co-Authors all top 5 Co-Authors 32 single-authored 11 Grytczuk, Aleksander 5 Finol, Carlos E. 5 Hudzik, Henryk 5 Luca, Florian 5 Wiśniewska, Halina 4 Kaczmarek, Radosław 3 González, Marcos José 3 Kąkol, Jerzy 3 Lozanovskiĭ, Grigoriĭ Yakovlevich 3 Sieg, Waldemar 2 Ferrer, Jesús 2 Maligranda, Lech 2 Plichko, Anatoliĭ Mykolaĭovych 2 Skonieczna, Marta 2 Śliwa, Wiesław 2 Wnuk, Witold 2 Wójtowicz, Dorota 1 Bartkowiak-Hetmanska, Maria 1 Chil, Elmiloud 1 Dawidowski, Marian 1 Dorai, Abderraouf 1 Drewnowski, Lech 1 Foralewski, Paweł 1 Gorzeński, Stanisław 1 Jaroszewska, Magdalena 1 Kamińska, Anna 1 Krbec, Miroslav 1 Kurc, Wiesław 1 Łabȩdzki, Adam 1 López Pellicer, Manuel 1 Mastyło, Mieczysław 1 Musielak, Julian 1 Odinets, Vladimir Petrovich 1 Płuciennik, Ryszard 1 Ren-Kurc, Anna 1 Sarı, Bünyamin 1 Sołtysiak, Andrzej 1 Świtalski, Zbigniew 1 Szczepaniak, Jerzy 1 Szufla, Stanisław 1 Urbański, Ryszard 1 Veksler, Alexander I. 1 Wachowiak, Jan 1 Wajda, Wojciech 1 Wang, Yuwen all top 5 Serials 5 Commentationes Mathematicae Universitatis Carolinae 5 Bulletin of the Polish Academy of Sciences, Mathematics 4 Functiones et Approximatio. Commentarii Mathematici 4 Proceedings of the Japan Academy. Series A 4 Indagationes Mathematicae. New Series 3 Journal of Mathematical Analysis and Applications 3 Collectanea Mathematica 3 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 2 Archiv der Mathematik 2 Positivity 2 Journal of Nonlinear and Convex Analysis 2 Comptes Rendus. Mathématique. Académie des Sciences, Paris 2 Missouri Journal of Mathematical Sciences 1 Bulletin of the London Mathematical Society 1 Colloquium Mathematicum 1 Indagationes Mathematicae 1 Indian Journal of Mathematics 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Number Theory 1 Proceedings of the American Mathematical Society 1 Publicationes Mathematicae Debrecen 1 Quaestiones Mathematicae 1 Semigroup Forum 1 Southeast Asian Bulletin of Mathematics 1 Topology and its Applications 1 Annales Societatis Mathematicae Polonae. Seria I. Commentationes Mathematicae 1 Extracta Mathematicae 1 Aequationes Mathematicae 1 Divulgaciones Matemáticas 1 Journal of Convex Analysis 1 Opuscula Mathematica 1 Comptes Rendus de l’Académie des Sciences. Série I. Mathématique 1 RACSAM. Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas 1 International Journal of Pure and Applied Mathematics 1 Central European Journal of Mathematics 1 Mediterranean Journal of Mathematics 1 Commentationes Mathematicae 1 Journal of Function Spaces all top 5 Fields 51 Functional analysis (46-XX) 17 Number theory (11-XX) 9 Operator theory (47-XX) 6 General topology (54-XX) 5 Real functions (26-XX) 4 Order, lattices, ordered algebraic structures (06-XX) 3 General and overarching topics; collections (00-XX) 3 History and biography (01-XX) 2 Commutative algebra (13-XX) 2 Group theory and generalizations (20-XX) 2 Approximations and expansions (41-XX) 1 Measure and integration (28-XX) 1 Special functions (33-XX) 1 Difference and functional equations (39-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 45 Publications have been cited 117 times in 80 Documents Cited by ▼ Year ▼ Multiplicative properties of real functions with applications to classical functions. Zbl 0956.39019 Finol, Carlos E.; Wójtowicz, Marek 13 2000 Some monotonicity properties in certain \(s\)-normed \((0<s<1)\) and \(F\)-normed lattices. Zbl 1367.46004 Hudzik, Henryk; Kaczmarek, Radosław; Wójtowicz, Marek 7 2016 Reflexivity and the separable quotient problem for a class of Banach spaces. Zbl 1031.46009 Wójtowicz, Marek 5 2002 The controlled separable projection property for Banach spaces. Zbl 1253.46024 Ferrer, Jesús; Wójtowicz, Marek 5 2011 Complemented copies of \(\ell _1\) in Banach spaces with an unconditional basis. Zbl 1153.46001 Finol, Carlos; Wójtowicz, Marek 5 2008 Affine extensions of functions with a closed graph. Zbl 1333.26002 Wójtowicz, Marek; Sieg, Waldemar 4 2015 Generalizations of the \(c_0-\ell_1-\ell_\infty\) theorem of Bessaga and Pełczyński. Zbl 1019.46013 Wójtowicz, Marek 4 2002 Copies of the sequence space \(\omega\) in \(F\)-lattices with applications to Musielak-Orlicz spaces. Zbl 1416.46008 Wójtowicz, Marek; Wiśniewska, Halina 4 2016 The structure of nonseparable Banach spaces with uncountable unconditional bases. Zbl 1098.46015 Finol, Carlos; Wójtowicz, Marek 4 2005 On Cantor-Bernstein type theorems in Riesz spaces. Zbl 0654.46013 Wójtowicz, Marek 3 1988 On a weak Freudenthal spectral theorem. Zbl 0777.46006 Wójtowicz, Marek 3 1992 Separable quotients of locally convex spaces. Zbl 0836.46001 Śliwa, Wiesław; Wójtowicz, Marek 3 1995 The lattice copies of \(\ell_{\infty}(\Gamma)/c_{0}(\Gamma)\) in a quotient of a Banach lattice. Zbl 1085.46016 Wójtowicz, Marek 3 2005 Problems of existence of order copies of \(\ell ^\infty\) and \(L_p(\nu )\) in some non-Banach Köthe spaces. Zbl 1432.46015 Hudzik, Henryk; Kaczmarek, Radosław; Wang, Yuwen; Wójtowicz, Marek 3 2019 The problem of central orthomorphisms in a class of \(F\)-lattices. Zbl 1336.46006 Wójtowicz, Marek; Wiśniewska, Halina 3 2015 On a three-space property for Lindelöf \(\Sigma\)-spaces, (WCG)-spaces and the Sobczyk property. Zbl 1234.46018 Ferrer, Jesús; Kąkol, Jerzy; López Pellicer, Manuel; Wójtowicz, Marek 3 2011 Copies of \(c_{0}(\Gamma)\) and \(\ell _{\infty }(\Gamma)/c_{0}(\Gamma)\) in quotients of Banach spaces with applications to Orlicz and Marcinkiewicz spaces. Zbl 1151.46011 Plichko, Anatolij; Wójtowicz, Marek 3 2007 Semi-homogeneous bases in Orlicz sequence spaces. Zbl 1146.46005 González, Marcos; Sarı, Bünyamin; Wójtowicz, Marek 3 2007 The lattice-isometric copies of \(\ell_{\infty}(\Gamma)\) in quotients of Banach lattices. Zbl 1033.46009 Wójtowicz, Marek 3 2003 Orthomorphisms on non-Banach \(F\)-lattices containing a copy of \(\mathbb{R}^{\mathbb{N}}\) with applications to Musielak-Orlicz spaces. Zbl 1383.46005 Wójtowicz, Marek; Wiśniewska, Halina 2 2018 On the moduli and characteristic of monotonicity in Orlicz-Lorentz function spaces. Zbl 1295.46013 Foralewski, Paweł; Hudzik, Henryk; Kaczmarek, Radosław; Krbec, Miroslav; Wójtowicz, Marek 2 2013 Approximations of the Korovkin type in Banach lattices. Zbl 1312.41032 Wiśniewska, Halina; Wójtowicz, Marek 2 2015 Cantor-Bernstein theorems for Orlicz sequence spaces. Zbl 1321.46010 Finol, Carlos E.; González, Marcos J.; Wójtowicz, Marek 2 2014 Effective constructions of separable quotients of Banach spaces. Zbl 0903.46016 Wójtowicz, Marek 2 1997 Isomorphic and isometric copies of \(\ell _\infty (\Gamma )\) in duals of Banach spaces and Banach lattices. Zbl 1150.46004 Wójtowicz, Marek 2 2006 The lattice copies of \(\ell _1\) in Banach lattices. Zbl 1090.46503 Wójtowicz, Marek 2 2001 On a Lehmer problem concerning Euler’s totient function. Zbl 1045.11005 Grytczuk, Aleksander; Wójtowicz, Marek 2 2003 Corrigendum to: “Some monotonicity properties in certain \(s\)-normed \((0<s<1)\) and \(F\)-normed lattices”. Zbl 1408.46007 Hudzik, Henryk; Kaczmarek, Radosław; Wójtowicz, Marek 2 2017 On the permutative equivalence of unconditional bases in F-spaces. Zbl 0678.46007 Wójtowicz, Marek 2 1988 Contractive projections onto isometric copies of \(L_1(\nu)\) in strictly monotone Banach lattices. Zbl 1036.46006 Wójtowicz, Marek 2 2003 Copies of \(\ell_\infty\) in quotients of locally solid Riesz spaces. Zbl 1029.46003 Wójtowicz, Marek 2 2003 Beardon’s Diophantine equations and non-free Möbius groups. Zbl 1024.11016 Grytczuk, Aleksander; Wójtowicz, Marek 1 2000 The negative Pell equation and Pythagorean triples. Zbl 0971.11013 Grytczuk, Aleksander; Luca, Florian; Wójtowicz, Marek 1 2000 The Sobczyk property and copies of \(\ell_{\infty}\) in locally convex-solid Riesz spaces. Zbl 0979.46003 Wójtowicz, Marek 1 2000 For eagles only: probably the most difficult proof of the Arzelà-Ascoli theorem – via the Stone-Čech compactification. Zbl 1422.54030 Wójtowicz, Marek 1 2017 On the James space J(X) for a Banach space X. Zbl 0594.46016 Wójtowicz, Marek 1 1983 Linear extensions of Baire-alpha functions. Zbl 1473.54013 Sieg, Waldemar; Wójtowicz, Marek 1 2019 A generalization of Drewnowski’s result on the Cantor-Bernstein type theorem for a class of nonseparable Banach spaces. Zbl 1312.46027 González, Marcos J.; Wójtowicz, Marek 1 2014 Note on a Banach space having equal linear dimension with its second dual. Zbl 1053.46005 Plichko, A.; Wójtowicz, M. 1 2003 The positive aspects of smoothness in Banach lattices. Zbl 1281.46016 Wójtowicz, Marek 1 2013 Korovkin-type approximation theory in Riesz spaces. Zbl 1491.46005 Dorai, Abderraouf; Chil, Elmiloud; Wójtowicz, Marek 1 2018 Cauchy-Schwarz and Hölder’s inequalities are equivalent. Zbl 1155.26018 Finol, Carlos; Wójtowicz, Marek 1 2007 A Banach-lattice version of the Josefson-Nissenzweig theorem. Zbl 1135.46012 Wójtowicz, Marek 1 2007 The structure of the set of numbers with the Lehmer property. Zbl 1213.11017 Wójtowicz, Marek; Skonieczna, Marta 1 2008 \(P\)-spaces and an unconditional closed graph theorem. Zbl 1196.26004 Wójtowicz, Marek; Sieg, Waldemar 1 2010 Problems of existence of order copies of \(\ell ^\infty\) and \(L_p(\nu )\) in some non-Banach Köthe spaces. Zbl 1432.46015 Hudzik, Henryk; Kaczmarek, Radosław; Wang, Yuwen; Wójtowicz, Marek 3 2019 Linear extensions of Baire-alpha functions. Zbl 1473.54013 Sieg, Waldemar; Wójtowicz, Marek 1 2019 Orthomorphisms on non-Banach \(F\)-lattices containing a copy of \(\mathbb{R}^{\mathbb{N}}\) with applications to Musielak-Orlicz spaces. Zbl 1383.46005 Wójtowicz, Marek; Wiśniewska, Halina 2 2018 Korovkin-type approximation theory in Riesz spaces. Zbl 1491.46005 Dorai, Abderraouf; Chil, Elmiloud; Wójtowicz, Marek 1 2018 Corrigendum to: “Some monotonicity properties in certain \(s\)-normed \((0<s<1)\) and \(F\)-normed lattices”. Zbl 1408.46007 Hudzik, Henryk; Kaczmarek, Radosław; Wójtowicz, Marek 2 2017 For eagles only: probably the most difficult proof of the Arzelà-Ascoli theorem – via the Stone-Čech compactification. Zbl 1422.54030 Wójtowicz, Marek 1 2017 Some monotonicity properties in certain \(s\)-normed \((0<s<1)\) and \(F\)-normed lattices. Zbl 1367.46004 Hudzik, Henryk; Kaczmarek, Radosław; Wójtowicz, Marek 7 2016 Copies of the sequence space \(\omega\) in \(F\)-lattices with applications to Musielak-Orlicz spaces. Zbl 1416.46008 Wójtowicz, Marek; Wiśniewska, Halina 4 2016 Affine extensions of functions with a closed graph. Zbl 1333.26002 Wójtowicz, Marek; Sieg, Waldemar 4 2015 The problem of central orthomorphisms in a class of \(F\)-lattices. Zbl 1336.46006 Wójtowicz, Marek; Wiśniewska, Halina 3 2015 Approximations of the Korovkin type in Banach lattices. Zbl 1312.41032 Wiśniewska, Halina; Wójtowicz, Marek 2 2015 Cantor-Bernstein theorems for Orlicz sequence spaces. Zbl 1321.46010 Finol, Carlos E.; González, Marcos J.; Wójtowicz, Marek 2 2014 A generalization of Drewnowski’s result on the Cantor-Bernstein type theorem for a class of nonseparable Banach spaces. Zbl 1312.46027 González, Marcos J.; Wójtowicz, Marek 1 2014 On the moduli and characteristic of monotonicity in Orlicz-Lorentz function spaces. Zbl 1295.46013 Foralewski, Paweł; Hudzik, Henryk; Kaczmarek, Radosław; Krbec, Miroslav; Wójtowicz, Marek 2 2013 The positive aspects of smoothness in Banach lattices. Zbl 1281.46016 Wójtowicz, Marek 1 2013 The controlled separable projection property for Banach spaces. Zbl 1253.46024 Ferrer, Jesús; Wójtowicz, Marek 5 2011 On a three-space property for Lindelöf \(\Sigma\)-spaces, (WCG)-spaces and the Sobczyk property. Zbl 1234.46018 Ferrer, Jesús; Kąkol, Jerzy; López Pellicer, Manuel; Wójtowicz, Marek 3 2011 \(P\)-spaces and an unconditional closed graph theorem. Zbl 1196.26004 Wójtowicz, Marek; Sieg, Waldemar 1 2010 Complemented copies of \(\ell _1\) in Banach spaces with an unconditional basis. Zbl 1153.46001 Finol, Carlos; Wójtowicz, Marek 5 2008 The structure of the set of numbers with the Lehmer property. Zbl 1213.11017 Wójtowicz, Marek; Skonieczna, Marta 1 2008 Copies of \(c_{0}(\Gamma)\) and \(\ell _{\infty }(\Gamma)/c_{0}(\Gamma)\) in quotients of Banach spaces with applications to Orlicz and Marcinkiewicz spaces. Zbl 1151.46011 Plichko, Anatolij; Wójtowicz, Marek 3 2007 Semi-homogeneous bases in Orlicz sequence spaces. Zbl 1146.46005 González, Marcos; Sarı, Bünyamin; Wójtowicz, Marek 3 2007 Cauchy-Schwarz and Hölder’s inequalities are equivalent. Zbl 1155.26018 Finol, Carlos; Wójtowicz, Marek 1 2007 A Banach-lattice version of the Josefson-Nissenzweig theorem. Zbl 1135.46012 Wójtowicz, Marek 1 2007 Isomorphic and isometric copies of \(\ell _\infty (\Gamma )\) in duals of Banach spaces and Banach lattices. Zbl 1150.46004 Wójtowicz, Marek 2 2006 The structure of nonseparable Banach spaces with uncountable unconditional bases. Zbl 1098.46015 Finol, Carlos; Wójtowicz, Marek 4 2005 The lattice copies of \(\ell_{\infty}(\Gamma)/c_{0}(\Gamma)\) in a quotient of a Banach lattice. Zbl 1085.46016 Wójtowicz, Marek 3 2005 The lattice-isometric copies of \(\ell_{\infty}(\Gamma)\) in quotients of Banach lattices. Zbl 1033.46009 Wójtowicz, Marek 3 2003 On a Lehmer problem concerning Euler’s totient function. Zbl 1045.11005 Grytczuk, Aleksander; Wójtowicz, Marek 2 2003 Contractive projections onto isometric copies of \(L_1(\nu)\) in strictly monotone Banach lattices. Zbl 1036.46006 Wójtowicz, Marek 2 2003 Copies of \(\ell_\infty\) in quotients of locally solid Riesz spaces. Zbl 1029.46003 Wójtowicz, Marek 2 2003 Note on a Banach space having equal linear dimension with its second dual. Zbl 1053.46005 Plichko, A.; Wójtowicz, M. 1 2003 Reflexivity and the separable quotient problem for a class of Banach spaces. Zbl 1031.46009 Wójtowicz, Marek 5 2002 Generalizations of the \(c_0-\ell_1-\ell_\infty\) theorem of Bessaga and Pełczyński. Zbl 1019.46013 Wójtowicz, Marek 4 2002 The lattice copies of \(\ell _1\) in Banach lattices. Zbl 1090.46503 Wójtowicz, Marek 2 2001 Multiplicative properties of real functions with applications to classical functions. Zbl 0956.39019 Finol, Carlos E.; Wójtowicz, Marek 13 2000 Beardon’s Diophantine equations and non-free Möbius groups. Zbl 1024.11016 Grytczuk, Aleksander; Wójtowicz, Marek 1 2000 The negative Pell equation and Pythagorean triples. Zbl 0971.11013 Grytczuk, Aleksander; Luca, Florian; Wójtowicz, Marek 1 2000 The Sobczyk property and copies of \(\ell_{\infty}\) in locally convex-solid Riesz spaces. Zbl 0979.46003 Wójtowicz, Marek 1 2000 Effective constructions of separable quotients of Banach spaces. Zbl 0903.46016 Wójtowicz, Marek 2 1997 Separable quotients of locally convex spaces. Zbl 0836.46001 Śliwa, Wiesław; Wójtowicz, Marek 3 1995 On a weak Freudenthal spectral theorem. Zbl 0777.46006 Wójtowicz, Marek 3 1992 On Cantor-Bernstein type theorems in Riesz spaces. Zbl 0654.46013 Wójtowicz, Marek 3 1988 On the permutative equivalence of unconditional bases in F-spaces. Zbl 0678.46007 Wójtowicz, Marek 2 1988 On the James space J(X) for a Banach space X. Zbl 0594.46016 Wójtowicz, Marek 1 1983 all cited Publications top 5 cited Publications all top 5 Cited by 98 Authors 13 Wójtowicz, Marek 5 Cui, Yunan 5 Ferrer, Jesús 5 Hudzik, Henryk 5 Kaczmarek, Radosław 4 Kosman, Jolanta 3 Castillo, Jesús M. F. 3 González, Marcos José 3 Kolwicz, Paweł 3 Saleem, Muhammad Shoaib 3 Śliwa, Wiesław 3 Wnuk, Witold 2 Albiac, Fernando 2 Alzer, Horst 2 Ansorena, José Luis 2 Bashir, Imran 2 Chil, Elmiloud 2 Finol, Carlos E. 2 González Ortiz, Manuel 2 Kąkol, Jerzy 2 Lee, Ki-Ahm 2 Lee, Se-Chan 2 Plichko, Anatoliĭ Mykolaĭovych 2 Skonieczna, Marta 2 Wiśniewska, Halina 1 Akkouchi, Mohamed 1 Antony, Kiran 1 Assili, Marwa 1 Bagdonas, Gediminas 1 Buskes, Gerard J. H. M. 1 Cabau, Patrick 1 Casazza, Peter George 1 Cassaigne, Julien 1 Chu, Yuming 1 Correa, Claudia V. 1 Domański, Paweł 1 Dorai, Abderraouf 1 Draziotis, Konstantinos A. 1 Drygier, Piotr 1 Ferenczi, Valentin 1 Ferrando, Juan Carlos 1 Foralewski, Paweł 1 Galego, Elói Medina 1 García, Domingo 1 Hager, Anthony W. 1 Hao, Cuixia 1 Hussain, Ijaz 1 Ighachane, Mohamed Amine 1 Kaczor, Wiesława J. 1 Kalton, Nigel John 1 Khan, Ilyas 1 Kiwerski, Tomasz 1 Kowalewski, Wojciech 1 Kuczumow, Tadeusz 1 Leal-Archila, Andrés Fabián 1 Lindemulder, Nick 1 Lipecki, Zbigniew 1 López Pellicer, Manuel 1 Lü, Linlin 1 Ma, Haifeng 1 Ma, Yi 1 Maestre, Manuel 1 Maligranda, Lech 1 Manna, Atanu 1 Manstavičius, Martynas 1 Michalak, Artur 1 Nazeer, Waqas 1 Nicolas, François 1 Odell, Edward 1 Papini, Pier Luigi 1 Pelletier, Fernand 1 Pello, Javier 1 Pereira, Rajesh 1 Plebanek, Grzegorz 1 Redfield, Robert H. 1 Reich, Simeon 1 Rincón-Villamizar, Michael A. 1 Ruscheweyh, Stephan 1 Salguero-Alarcón, Alberto 1 Seoane-Sepúlveda, Juan Benigno 1 Sieg, Waldemar 1 Tomaszewski, Jakub 1 Toumi, Mohamed Ali 1 Tylli, Hans-Olav 1 Veerapazham, Murugan 1 Villada Bedoya, Jeimer Alveiro 1 Waheed, Shumaila 1 Walczyk, Mariola 1 Wang, Tongyu 1 Wang, Yuwen 1 Wisła, Marek 1 Wynne, Brian 1 Xiao, Yeliang 1 Yang, Yabo 1 Yin, Hongping 1 Yu, Xishan 1 Zhang, Xiaoming 1 Zhao, Taiyin all top 5 Cited in 40 Serials 8 Journal of Mathematical Analysis and Applications 6 Positivity 6 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 5 Aequationes Mathematicae 4 Quaestiones Mathematicae 4 Indagationes Mathematicae. New Series 3 Archiv der Mathematik 3 Functiones et Approximatio. Commentarii Mathematici 3 Journal of Inequalities and Applications 3 Journal of Function Spaces 2 Journal of Functional Analysis 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Israel Journal of Mathematics 1 Linear and Multilinear Algebra 1 Studia Mathematica 1 Mathematics of Computation 1 Journal of Geometry and Physics 1 Advances in Mathematics 1 Demonstratio Mathematica 1 Fundamenta Mathematicae 1 Fuzzy Sets and Systems 1 Indiana University Mathematics Journal 1 Journal of Differential Equations 1 Journal of the Mathematical Society of Japan 1 Mathematische Nachrichten 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Results in Mathematics 1 Transactions of the American Mathematical Society 1 Topology and its Applications 1 Bulletin of the Iranian Mathematical Society 1 The Journal of Analysis 1 Taiwanese Journal of Mathematics 1 Central European Journal of Mathematics 1 Mediterranean Journal of Mathematics 1 Proyecciones 1 Banach Journal of Mathematical Analysis 1 Commentationes Mathematicae 1 RAIRO. Theoretical Informatics and Applications 1 Journal of Mathematics all top 5 Cited in 25 Fields 57 Functional analysis (46-XX) 17 General topology (54-XX) 15 Real functions (26-XX) 10 Operator theory (47-XX) 8 Order, lattices, ordered algebraic structures (06-XX) 5 Number theory (11-XX) 3 Mathematical logic and foundations (03-XX) 3 Measure and integration (28-XX) 2 Special functions (33-XX) 2 Partial differential equations (35-XX) 2 Sequences, series, summability (40-XX) 2 Approximations and expansions (41-XX) 1 History and biography (01-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Group theory and generalizations (20-XX) 1 Functions of a complex variable (30-XX) 1 Potential theory (31-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Difference and functional equations (39-XX) 1 Convex and discrete geometry (52-XX) 1 Differential geometry (53-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Statistics (62-XX) 1 Computer science (68-XX) 1 Mechanics of deformable solids (74-XX) Citations by Year