Edit Profile Matkowski, Janusz Compute Distance To: Compute Author ID: matkowski.janusz Published as: Matkowski, Ianusz; Matkowski, J.; Matkowski, Janusz Documents Indexed: 256 Publications since 1969 Reviewing Activity: 171 Reviews all top 5 Co-Authors 121 single-authored 22 Kahlig, Peter 12 Merentes, Nelson J. 9 Wróbel, Małgorzata 8 Głazowska, Dorota 5 Baron, Karol 5 Guerrero, José Atilio 5 Himmel, Martin 5 Jarczyk, Witold 5 Rätz, Jürg 4 Krassowska, Dorota 4 Nikodem, Kazimierz 4 Nowak, Andrzej S. 4 Zhang, Weinian 3 Gronau, Detlef 3 Jaśkiewicz, Anna 3 Kominek, Zygfryd 3 Małolepszy, Tomasz 3 Miś, Jerzy 3 Pycia, Marek 3 Świątkowski, Tadeusz 2 Banaś, Józef 2 Devillet, Jimmy 2 Izumi, Hideaki 2 Jarczyk, Justyna 2 Leonetti, Paolo 2 Matkowska, Anna 2 Okrzesik, Jolanta 2 Pasteczka, Paweł 2 Sablik, Maciej 2 Sánchez, José Luis 2 Singh, Shyam Lal 2 Tringali, Salvatore 1 Acosta, Antonio J. 1 Alzer, Horst 1 Aziz, Wadie 1 Azócar, Antonio 1 Benedykt, Z. 1 Błasińska-Lesk, J. 1 Bojarski, Jacek 1 Bullen, Peter S. 1 Domsta, Joachim 1 Dyjak, Czesław 1 Ger, Roman 1 Guzik, Grzegorz 1 Hajja, Mowaffaq 1 Jachymsky, Jacek R. 1 Jelínek, Jiří 1 Kuczma, Marek 1 Lara, Teodoro 1 Leiva, Hugo 1 Li, Lin 1 Li, Lin 1 Lichawski, Kazimierz 1 Liu, Liu 1 Mateu, Jorge 1 Merents, Nelson 1 Neuman, Edward 1 Nowicka, Monika 1 Oginska, Wanda 1 Páles, Zsolt 1 Pawlikowska, Iwona 1 Pinto, Manuel 1 Porcu, Emilio 1 Quintero, Roy 1 Sadarangani, Kishin B. 1 Sánchez Hernández, J. L. 1 Sharkovskiĭ, Oleksandr Mykolaiovych 1 Simić, Slavko 1 Ślepak, Wojciech 1 Stettner, Łukasz 1 Wegrzyk, Roman 1 Witkowski, Alfred 1 Wójcik, Paweł 1 Wróbel, Małgorzta 1 Zdun, Marek Cezary 1 Zgraja, Tomasz all top 5 Serials 28 Aequationes Mathematicae 14 Journal of Mathematical Analysis and Applications 14 Annales Polonici Mathematici 12 Publicationes Mathematicae 8 Demonstratio Mathematica 7 Results in Mathematics 7 Annales Mathematicae Silesianae 6 Proceedings of the American Mathematical Society 6 Grazer Mathematische Berichte 6 Opuscula Mathematica 5 Colloquium Mathematicum 5 Zeszyty Naukowe Politechniki Łódzkiej. Matematyka 5 Journal of Difference Equations and Applications 5 Mathematical Inequalities & Applications 4 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 4 Journal of Applied Analysis 4 Rocznik Naukowo-Dydaktyczny. Prace Matematyczne 4 Central European Journal of Mathematics 3 Fasciculi Mathematici 3 Annales Universitatis Scientiarum Budapestinensis de Rolando Eötvös Nominatae. Sectio Computatorica 3 Acta Mathematica Hungarica 3 Prace Naukowe Uniwersytetu Śląskiego w Katowicach. Annales Mathematicae Silesianae 3 Mathematica Pannonica 3 Bulletin de l’Académie Polonaise des Sciences, Série des Sciences Mathématiques, Astronomiques et Physiques 2 Acta Universitatis Carolinae. Mathematica et Physica 2 Revue Roumaine de Mathématiques Pures et Appliquées 2 Acta Scientiarum Mathematicarum 2 Archiv der Mathematik 2 Indian Journal of Mathematics 2 Mathematische Nachrichten 2 Sitzungsberichte. Abteilung II. Österreichische Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse 2 Real Analysis Exchange 2 Bulletin of the Korean Mathematical Society 2 Bulletin of the Polish Academy of Sciences, Mathematics 2 Indagationes Mathematicae. New Series 2 Journal of Convex Analysis 2 Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Prace Matematyczne 2 Journal of Applied Mathematics and Computational Mechanics 1 Bulletin of the Australian Mathematical Society 1 Periodica Mathematica Hungarica 1 Rocky Mountain Journal of Mathematics 1 Studia Mathematica 1 Zeitschrift für Angewandte Mathematik und Mechanik (ZAMM) 1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 1 Annales Universitatis Mariae Curie-Skłodowska. Sectio A. Mathematica 1 Archivum Mathematicum 1 Bulletin Mathématique de la Société des Sciences Mathématiques de la République Socialiste de Roumanie. Nouvelle Série 1 Časopis Pro Pěstování Matematiky 1 Dissertationes Mathematicae 1 Fundamenta Mathematicae 1 Funkcialaj Ekvacioj. Serio Internacia 1 Hiroshima Mathematical Journal 1 International Journal of Mathematics and Mathematical Sciences 1 Manuscripta Mathematica 1 Mathematica Japonica 1 Mathematics of Operations Research 1 Mathematica Slovaca 1 Publications de l’Institut Mathématique. Nouvelle Série 1 Stochastica 1 Topology and its Applications 1 Comptes Rendus Mathématiques de l’Académie des Sciences 1 Operations Research Letters 1 Facta Universitatis. Series Mathematics and Informatics 1 Applied Mathematics Letters 1 Annals of Operations Research 1 Mathematica Bohemica 1 Glasnik Matematički. Serija III 1 Acta Mathematica Sinica. New Series 1 Chinese Science Bulletin 1 Topological Methods in Nonlinear Analysis 1 Applicationes Mathematicae 1 Economic Theory 1 Anzeiger. Abteilung II. Österreichische Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse 1 European Series in Applied and Industrial Mathematics (ESAIM): Proceedings 1 Stochastic Environmental Research and Risk Assessment 1 Far East Journal of Mathematical Sciences 1 JIPAM. Journal of Inequalities in Pure & Applied Mathematics 1 Discussiones Mathematicae. Differential Inclusions, Control and Optimization 1 Journal of Function Spaces and Applications 1 Sarajevo Journal of Mathematics 1 Bollettino della Unione Matematica Italiana. Series V. A 1 International Mathematical Forum 1 Journal of Mathematical Inequalities 1 Banach Journal of Mathematical Analysis 1 Commentationes Mathematicae 1 Annals of Functional Analysis 1 Journal of Classical Analysis 1 Journal of Function Spaces 1 Nonlinear Analysis. Theory, Methods & Applications 1 European Series in Applied and Industrial Mathematics (ESAIM): Proceedings and Surveys all top 5 Fields 169 Difference and functional equations (39-XX) 145 Real functions (26-XX) 38 Operator theory (47-XX) 29 Functional analysis (46-XX) 16 General topology (54-XX) 12 Special functions (33-XX) 9 Functions of a complex variable (30-XX) 7 Measure and integration (28-XX) 5 Operations research, mathematical programming (90-XX) 5 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 4 Ordinary differential equations (34-XX) 3 Probability theory and stochastic processes (60-XX) 2 General and overarching topics; collections (00-XX) 2 Sequences, series, summability (40-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Systems theory; control (93-XX) 1 Number theory (11-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Topological groups, Lie groups (22-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Geometry (51-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 Numerical analysis (65-XX) 1 Fluid mechanics (76-XX) 1 Geophysics (86-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 179 Publications have been cited 1,127 times in 560 Documents Cited by ▼ Year ▼ Integrable solutions of functional equations. Zbl 0318.39005Matkowski, Janusz 86 1975 Fixed point theorems for mappings with a contractive iterate at a point. Zbl 0349.54032Matkowski, Janusz 68 1977 Invariant and complementary quasi-arithmetic means. Zbl 0930.26014Matkowski, Janusz 44 1999 Iterations of mean-type mappings and invariant means. Zbl 0954.26015Matkowski, Janusz 35 1999 Functional equations and Nemytskii operators. Zbl 0504.39008Matkowski, Janusz 28 1982 Lagrangean mean-type mappings for which the arithmetic mean is invariant. Zbl 1084.39019Matkowski, Janusz 22 2005 On a characterization of Lipschitzian operators of substitution in the space \(BV<a,b>\). Zbl 0566.47033Matkowski, J.; Miś, J. 22 1984 Fixed point theorems for contractive mappings in metric spaces. Zbl 0446.54042Matkowski, Janusz 22 1980 Invariance in the class of weighted quasi-arithmetic means. Zbl 1097.26019Jarczyk, Justyna; Matkowski, Janusz 21 2006 A sandwich with convexity. Zbl 0803.39011Baron, Karol; Matkowski, Janusz; Nikodem, Kazimierz 21 1994 Nonlinear contractions on semimetric spaces. Zbl 1295.54055Jachymski, J.; Matkowski, J. 19 1995 Lipschitzian composition operators in some function spaces. Zbl 0894.47052Matkowski, Janusz 17 1997 Iterations of the mean-type mappings. Zbl 1220.26003Matkowski, Janusz 16 2009 The converse of the Minkowski’s inequality theorem and its generalization. Zbl 0704.46020Matkowski, Janusz 15 1990 On discounted dynamic programming with unbounded returns. Zbl 1219.90182Matkowski, Janusz; Nowak, Andrzej S. 14 2011 Generalized weighted quasi-arithmetic means. Zbl 1213.26032Matkowski, Janusz 14 2010 An invariance of geometric mean with respect to Lagrangian means. Zbl 1119.26029Głazowska, Dorota; Matkowski, Janusz 14 2007 Arithmetic mean as a linear combination of two quasi-arithmetic means. Zbl 1012.26022Głazowska, Dorota; Jarczyk, Witold; Matkowski, Janusz 13 2002 Method of characteristic for functional equations in polynomial form. Zbl 0881.39011Matkowski, Janusz; Zhang, Weinian 13 1997 Locally defined operators in the space of differentiable functions. Zbl 0762.26015Lichawski, Kazimierz; Matkowski, Janusz; Miś, Jerzy 13 1989 Invariance of the arithmetic mean with respect to special mean-type mappings. Zbl 1101.26020Domsta, Joachim; Matkowski, Janusz 12 2006 On subadditive functions. Zbl 0785.39004Matkowski, Janusz; Świątkowski, Tadeusz 12 1993 Iterations of the mean-type mappings and uniqueness of invariant means. Zbl 1289.26005Matkowski, Janusz 11 2013 On linear dependence of iterates. Zbl 0972.39012Matkowski, J.; Zhang, W. 11 2000 Functional equations involving the logarithmic mean. Zbl 0885.39008Kahlig, P.; Matkowski, J. 11 1996 Solution of a regularity problem in equality of Cauchy means. Zbl 1077.39022Matkowski, Janusz 10 2004 An invariance of the geometric mean with respect to Stolarsky mean-type mappings. Zbl 1040.26013Błasińska-Lesk, J.; Głazowska, D.; Matkowski, J. 10 2003 On Mulholland’s inequality. Zbl 1005.39025Jarczyk, Witold; Matkowski, Janusz 10 2002 Locally defined operators in the space of Whitney differentiable functions. Zbl 1153.47048Matkowski, Janusz; Wróbel, Małgorzata 9 2008 On invariant generalized Beckenbach-Gini means. Zbl 0996.39019Matkowski, Janusz 9 2002 Nonlinear contractions in metrically convex space. Zbl 0824.47047Matkowski, Janusz 9 1994 Quasi-monotonicity, subadditive bijections of \({\mathbb{R}}_ +\), and characterization of \(L^ p\)-norm. Zbl 0725.39007Matkowski, Janusz; Swiątkowski, Tadeusz 9 1991 Form of Lipschitz operators of substitution in Banach spaces of differentiable functions. Zbl 0599.46031Matkowski, Janusz 9 1984 Some inequalities and a generalization of Banach’s principle. Zbl 0255.47063Matkowski, J. 9 1973 Uniformly bounded composition operators between general Lipschitz function normed spaces. Zbl 1272.47070Matkowski, Janusz 8 2011 On iterations of means and functional equations. Zbl 1132.39017Matkowski, Janusz 8 2006 On weighted extensions of Cauchy’s means. Zbl 1119.39019Matkowski, Janusz 8 2006 A modified Gołab-Schinzel equation on a restricted domain (with applications to meteorology and fluid mechanics). Zbl 1076.39019Kahlig, Peter; Matkowski, Janusz 8 2002 Characteristic analysis for a polynomial-like iterative equation. Zbl 0986.39011Matkowski, Janusz; Zhang, Weinian 8 1998 Convex functions with respect to an arbitrary mean. Zbl 0883.26007Matkowski, Janusz; Rätz, Jürg 8 1997 Geometrical convexity and generalizations of the Bohr-Mollerup theorem on the gamma function. Zbl 0791.33002Gronau, Detlef; Matkowski, Janusz 8 1993 On variable discounting in dynamic programming: applications to resource extraction and other economic models. Zbl 1309.90119Jaśkiewicz, Anna; Matkowski, Janusz; Nowak, Andrzej S. 7 2014 Subadditive periodic functions. Zbl 1242.39035Matkowski, Janusz 7 2011 Embeddability of mean-type mappings in a continuous iteration semigroup. Zbl 1219.26007Jarczyk, Witold; Matkowski, Janusz 7 2010 Representation theorem for locally defined operators in the space of Whitney differentiable functions. Zbl 1173.47044Matkowski, Janusz; Wróbel, Małgorzata 7 2009 Convex functions with respect to a mean and a characterization of quasi-arithmetic means. Zbl 1067.26008Matkowski, Janusz 7 2004 Cocycles of continuous iteration semigroups. Zbl 1044.39017Guzik, Grzegorz; Jarczyk, Witold; Matkowski, Janusz 7 2003 On the polynomial-like iterative functional equation. Zbl 0976.39014Matkowski, Janusz; Zhang, Weinian 7 2000 Mean value property and associated functional equations. Zbl 0931.39013Matkowski, Janusz 7 1999 On the composition of homogeneous quasi-arithmetic means. Zbl 0890.39021Kahlig, Peter; Matkowski, Janusz 7 1997 \(L^ p\)-like paranorms. Zbl 0786.46031Matkowski, Janusz 7 1992 Characterization of globally Lipschitzian composition operators in the Banach space \(BV^ 2_ p [a, b ]\). Zbl 0785.47033Matkowski, Janusz; Merentes, Nelson 7 1992 On \(a\)-Wright convexity and the converse of Minkowski’s inequality. Zbl 0758.26008Matkowski, Janusz 7 1992 Characterization of generalized quasi-arithmetic means. Zbl 1363.26057Matkowski, Janusz; Páles, Zsolt 6 2015 Uniformly continuous composition operators in the space of bounded \(\varphi \)-variation functions. Zbl 1225.47078Guerrero, J. A.; Leiva, H.; Matkowski, J.; Merentes, N. 6 2010 Uniformly continuous superposition operators in the Banach space of Hölder functions. Zbl 1173.47043Matkowski, Janusz 6 2009 The converse theorem for Minkowski’s inequality. Zbl 1053.26014Matkowski, Janusz 6 2004 On iteration semigroups of mean-type mappings and invariant means. Zbl 1020.39011Matkowski, Janusz 6 2002 Convexity of power functions with respect to symmetric homogeneous means. Zbl 0883.26006Matkowski, Janusz; Rätz, Jürg 6 1997 Remark on globally Lipschitzian composition operators. Zbl 0842.47042Matkowska, A.; Matkowski, J.; Merentes, N. 6 1995 An integral Jensen inequality for convex multifunctions. Zbl 0829.26011Matkowski, Janusz; Nikodem, Kazimierz 6 1994 On a generalization of Mulholland’s inequality. Zbl 0791.26014Matkowski, J. 6 1993 A functional inequality characterizing convex functions, conjugacy and a generalization of Hölder’s and Minkowski’s inequalities. Zbl 0715.39013Matkowski, J. 6 1990 Persistently optimal policies in stochastic dynamic programming with generalized discounting. Zbl 1291.90290Jaśkiewicz, A.; Matkowski, J.; Nowak, A. S. 5 2013 Mean-type mappings and invariant curves. Zbl 1230.26015Matkowski, Janusz 5 2011 Uniformly continuous superposition operators in the space of bounded variation functions. Zbl 1235.47052Matkowski, Janusz 5 2010 A converse of the Hölder inequality theorem. Zbl 1177.26043Matkowski, Janusz 5 2009 Converse theorem for the Minkowski inequality. Zbl 1154.26020Matkowski, Janusz 5 2008 On a characterization of \(L^ p\)-norm and a converse of Minkowski’s inequality. Zbl 0872.46018Matkowski, Janusz 5 1996 Convex-like inequality, homogeneity, subadditivity, and a characterization of \(L^ p\)-norm. Zbl 0824.39010Matkowski, Janusz; Pycia, Marek 5 1995 Geometrically convex solutions of certain difference equations and generalized Bohr-Mollerup type theorems. Zbl 0876.39003Gronau, Detlef; Matkowski, Janusz 5 1994 The converse of the Hölder inequality and its generalizations. Zbl 0819.46018Matkowski, Janusz 5 1994 On Nemytskii operator. Zbl 0644.47061Matkowski, Janusz 5 1988 Examples and remarks to a fixed point theorem. Zbl 0613.54031Matkowski, Janusz; Miś, Jerzy 5 1986 Remark on BV-solutions of a functional equation connected with invariant measures. Zbl 0583.39009Matkowski, Janusz 5 1985 On equivalence of some fixed point theorems for selfmappings of metrically convex space. Zbl 0401.54039Matkowski, J.; Wegrzyk, R. 5 1978 On the uniqueness of differentiable solutions of a functional equation. Zbl 0197.12601Matkowski, J. 5 1970 Sandwich theorem for \(m\)-convex functions. Zbl 1373.26010Matkowski, Janusz; Wróbel, Małgorzata 4 2017 On the commutation of generalized means on probability spaces. Zbl 1377.60010Leonetti, Paolo; Matkowski, Janusz; Tringali, Salvatore 4 2016 Invariance identity in the class of generalized quasiarithmetic means. Zbl 1320.26033Matkowski, Janusz 4 2014 On a functional equation related to competition. Zbl 1297.39021Kahlig, Peter; Matkowski, Janusz 4 2014 Quotient mean, its invariance with respect to a quasi-arithmetic mean-type mapping, and some applications. Zbl 1232.26053Matkowski, Janusz 4 2011 Uniformly continuous composition operator in the space of \(\varphi\)-variation functions in the sense of Riesz. Zbl 1196.26015Acosta, A.; Aziz, W.; Matkowski, J.; Merentes, N. 4 2010 Uniformly continuous set-valued composition operators in the spaces of functions of bounded variation in the sense of Wiener. Zbl 1216.47090Azócar, A.; Guerrero, J. A.; Matkowski, J.; Merentes, N. 4 2010 Uniformly continuous superposition operators in the spaces of differentiable functions and absolutely continuous functions. Zbl 1266.47082Matkowski, Janusz 4 2009 On a composite functional equation. Zbl 1046.39018Matkowski, Janusz; Okrzesik, Jolanta 4 2003 Another characterization of the gamma function. Zbl 1027.33001Gronau, D.; Matkowski, J. 4 2003 Affine and convex functions with respect to the logarithmic mean. Zbl 1091.26023Matkowski, Janusz 4 2003 A generalized \(a\)-Wright convexity and related functional equation. Zbl 0859.39016Matkowski, Janusz; Wróbel, Małgorzata 4 1996 Functional inequality characterizing nonnegative concave functions in \((0,\infty)^ k\). Zbl 0756.39017Matkowski, Janusz 4 1992 On a characterization of \(L^ p\)-norm. Zbl 0703.46022Matkowski, Janusz 4 1989 The uniqueness of solutions of a system of functional equations in some classes of functions. Zbl 0253.39013Matkowski, J. 4 1972 On the existence of differentiable solutions of a functional equation. Zbl 0209.45702Matkowski, J. 4 1971 Generalised discounting in dynamic programming with unbounded returns. Zbl 1408.90305Jaśkiewicz, Anna; Matkowski, Janusz; Nowak, Andrzej S. 3 2014 Generalized weighted quasi-arithmetic means and the Kolmogorov-Nagumo theorem. Zbl 1312.26055Matkowski, Janusz 3 2013 Invariance of the Bajraktarević means with respect to the Beckenbach-Gini means. Zbl 1349.26079Matkowski, Janusz 3 2013 Invariance of a quasi-arithmetic mean with respect to a system of generalized Bajraktarević means. Zbl 1268.26035Matkowski, Janusz 3 2012 Invariance of Bajraktarevič mean with respect to quasi arithmetic means. Zbl 1274.26086Matkowski, Janusz 3 2012 A functional equation related to an equality of means problem. Zbl 1220.39020Matkowski, Janusz 3 2011 A pair of linear functional inequalities and a characterization of \(L^p\)-norm. Zbl 1085.39025Krassowska, Dorota; Matkowski, Janusz 3 2005 Invariant means and iterates of mean-type mappings. Zbl 1440.26028Matkowski, Janusz; Pasteczka, Paweł 1 2020 Sandwich with periodicity. Zbl 1418.26004Izumi, Hideaki; Li, Lin; Matkowski, Janusz; Wróbel, Małgorzta 1 2019 Iterative functional equations and means. Zbl 1384.26020Liu, Liu; Matkowski, Janusz 2 2018 Directional convexity and characterizations of beta and gamma functions. Zbl 1400.33003Himmel, Martin; Matkowski, Janusz 1 2018 Beta-type means. Zbl 1384.26064Himmel, Martin; Matkowski, Janusz 1 2018 Sandwich theorem for \(m\)-convex functions. Zbl 1373.26010Matkowski, Janusz; Wróbel, Małgorzata 4 2017 Beta-type functions and the harmonic mean. Zbl 1384.33003Himmel, Martin; Matkowski, Janusz 2 2017 Explicit solutions of the invariance equation for means. Zbl 1357.26050Matkowski, Janusz; Nowicka, Monika; Witkowski, Alfred 2 2017 Homogeneous beta-type functions. Zbl 1424.33003Himmel, Martin; Matkowski, Janusz 1 2017 Commutativity of integral quasiarithmetic means on measure spaces. Zbl 1399.39050Głazowska, D.; Leonetti, P.; Matkowski, J.; Tringali, S. 1 2017 A generalization of \(m\)-convexity and a sandwich theorem. Zbl 1370.26027Lara, Teodoro; Matkowski, Janusz; Merentes, Nelson; Quintero, Roy; Wróbel, Małgorzata 1 2017 On the commutation of generalized means on probability spaces. Zbl 1377.60010Leonetti, Paolo; Matkowski, Janusz; Tringali, Salvatore 4 2016 Invariant means related to classical weighted means. Zbl 1399.26086Kahlig, P.; Matkowski, J. 2 2016 Characterization of generalized quasi-arithmetic means. Zbl 1363.26057Matkowski, Janusz; Páles, Zsolt 6 2015 Uniformly bounded composition operators. Zbl 1357.47064Głazowska, Dorota; Matkowski, Janusz 1 2015 Logarithmic complementary means and an extension of Carlson’s log. Zbl 1320.26031Kahlig, Peter; Matkowski, Janusz 1 2015 Second order iterative functional equations related to a competition equation. Zbl 1317.39027Kahlig, Peter; Matkowski, Janusz 1 2015 On variable discounting in dynamic programming: applications to resource extraction and other economic models. Zbl 1309.90119Jaśkiewicz, Anna; Matkowski, Janusz; Nowak, Andrzej S. 7 2014 Invariance identity in the class of generalized quasiarithmetic means. Zbl 1320.26033Matkowski, Janusz 4 2014 On a functional equation related to competition. Zbl 1297.39021Kahlig, Peter; Matkowski, Janusz 4 2014 Generalised discounting in dynamic programming with unbounded returns. Zbl 1408.90305Jaśkiewicz, Anna; Matkowski, Janusz; Nowak, Andrzej S. 3 2014 Convergence of iterates of pre-mean-type mappings. Zbl 1332.26063Matkowski, Janusz 1 2014 Iterations of the mean-type mappings and uniqueness of invariant means. Zbl 1289.26005Matkowski, Janusz 11 2013 Persistently optimal policies in stochastic dynamic programming with generalized discounting. Zbl 1291.90290Jaśkiewicz, A.; Matkowski, J.; Nowak, A. S. 5 2013 Generalized weighted quasi-arithmetic means and the Kolmogorov-Nagumo theorem. Zbl 1312.26055Matkowski, Janusz 3 2013 Invariance of the Bajraktarević means with respect to the Beckenbach-Gini means. Zbl 1349.26079Matkowski, Janusz 3 2013 A convexity property and a new characterization of Euler’s gamma function. Zbl 1273.26014Alzer, Horst; Matkowski, Janusz 2 2013 Subhomogeneity and subadditivity of the \(L^p\)-norm like functionals. Zbl 1305.26027Matkowski, Janusz 1 2013 Means and their inequalities. Zbl 1286.26002Hajja, Mowaffaq (ed.); Bullen, Peter S. (ed.); Matkowski, Janusz (ed.); Neuman, Edward (ed.); Simic, Slavko (ed.) 1 2013 Uniformly bounded composition operators on a Banach space of bounded Wiener-Young variation functions. Zbl 1281.47037Głazowska, Dorota; Guerrero, José Atilio; Matkowski, Janusz; Merentes, Nelson 1 2013 Halfconvex functions and equality of Daróczy-Páles conjugate means. Zbl 1280.26019Matkowski, Janusz 1 2013 Fixed point theorem in a uniformly convex paranormed space and its application. Zbl 1263.47067Matkowski, Ianusz 1 2013 Invariance of a quasi-arithmetic mean with respect to a system of generalized Bajraktarević means. Zbl 1268.26035Matkowski, Janusz 3 2012 Invariance of Bajraktarevič mean with respect to quasi arithmetic means. Zbl 1274.26086Matkowski, Janusz 3 2012 Quadratic inequalities and a characterization of inner product. Zbl 1261.46015Matkowski, Janusz 2 2012 Uniformly bounded composition operators in the Banach space of absolutely continuous functions. Zbl 1264.47069Głazowska, D.; Matkowski, J.; Merentes, N.; Sánchez Hernández, J. L. 2 2012 The Pexider type generalization of the Minkowski inequality. Zbl 1259.26028Matkowski, Janusz 2 2012 Uniformly bounded set-valued Nemytskij operators acting between generalized Hölder function spaces. Zbl 1253.47039Matkowski, Janusz; Wróbel, Małgorzata 2 2012 Mean-value theorem for vector-valued functions. Zbl 1274.26009Matkowski, Janusz 1 2012 Fixed points and iterations of mean-type mappings. Zbl 1260.26036Matkowski, Janusz 1 2012 On discounted dynamic programming with unbounded returns. Zbl 1219.90182Matkowski, Janusz; Nowak, Andrzej S. 14 2011 Uniformly bounded composition operators between general Lipschitz function normed spaces. Zbl 1272.47070Matkowski, Janusz 8 2011 Subadditive periodic functions. Zbl 1242.39035Matkowski, Janusz 7 2011 Mean-type mappings and invariant curves. Zbl 1230.26015Matkowski, Janusz 5 2011 Quotient mean, its invariance with respect to a quasi-arithmetic mean-type mapping, and some applications. Zbl 1232.26053Matkowski, Janusz 4 2011 A functional equation related to an equality of means problem. Zbl 1220.39020Matkowski, Janusz 3 2011 Invariance of the Cauchy means with respect to Lagrange mean-type mappings of the same generators. Zbl 1274.26085Matkowski, J. 2 2011 Generalized weighted arithmetic means. Zbl 1250.26032Matkowski, Janusz 2 2011 A mean-value theorem and its applications. Zbl 1206.26032Matkowski, Janusz 2 2011 Uniformly bounded Nemytskij operators generated by set-valued functions between generalized Hölder function spaces. Zbl 1264.47070Matkowski, Janusz; Wróbel, Małgorzata 1 2011 On means which are quasi-arithmetic and of the Beckenbach-Gini type. Zbl 1251.26018Matkowski, Janusz 1 2011 Mean-value type equalities with interchanged function and derivative. Zbl 1237.26004Matkowski, Janusz 1 2011 Power means generated by some mean-value theorems. Zbl 1229.26037Matkowski, Janusz 1 2011 Generalized weighted quasi-arithmetic means. Zbl 1213.26032Matkowski, Janusz 14 2010 Embeddability of mean-type mappings in a continuous iteration semigroup. Zbl 1219.26007Jarczyk, Witold; Matkowski, Janusz 7 2010 Uniformly continuous composition operators in the space of bounded \(\varphi \)-variation functions. Zbl 1225.47078Guerrero, J. A.; Leiva, H.; Matkowski, J.; Merentes, N. 6 2010 Uniformly continuous superposition operators in the space of bounded variation functions. Zbl 1235.47052Matkowski, Janusz 5 2010 Uniformly continuous composition operator in the space of \(\varphi\)-variation functions in the sense of Riesz. Zbl 1196.26015Acosta, A.; Aziz, W.; Matkowski, J.; Merentes, N. 4 2010 Uniformly continuous set-valued composition operators in the spaces of functions of bounded variation in the sense of Wiener. Zbl 1216.47090Azócar, A.; Guerrero, J. A.; Matkowski, J.; Merentes, N. 4 2010 A composite functional equation and invariant curves. Zbl 1276.39011Matkowski, Janusz; Okrzesik, Jolanta 2 2010 Uniformly continuous composition operators in the space of functions of two variables of bounded \(\varphi\)-variation in the sense of Wiener. Zbl 1229.47088Guerrero, J. A.; Matkowski, J.; Merentes, N. 2 2010 On weighted extensions of Bajraktarević means. Zbl 1216.26014Matkowski, Janusz 2 2010 Homogeneous means generated by a mean-value theorem. Zbl 1205.26045Matkowski, Janusz; Pawlikowska, Iwona 1 2010 Iterations of the mean-type mappings. Zbl 1220.26003Matkowski, Janusz 16 2009 Representation theorem for locally defined operators in the space of Whitney differentiable functions. Zbl 1173.47044Matkowski, Janusz; Wróbel, Małgorzata 7 2009 Uniformly continuous superposition operators in the Banach space of Hölder functions. Zbl 1173.47043Matkowski, Janusz 6 2009 A converse of the Hölder inequality theorem. Zbl 1177.26043Matkowski, Janusz 5 2009 Uniformly continuous superposition operators in the spaces of differentiable functions and absolutely continuous functions. Zbl 1266.47082Matkowski, Janusz 4 2009 Locally defined operators in the space of Whitney differentiable functions. Zbl 1153.47048Matkowski, Janusz; Wróbel, Małgorzata 9 2008 Converse theorem for the Minkowski inequality. Zbl 1154.26020Matkowski, Janusz 5 2008 Iteration groups, commuting functions and simultaneous systems of linear functional equations. Zbl 1168.39005Matkowski, Janusz 2 2008 A pair of functional inequalities characterizing polynomials and Bernoulli numbers. Zbl 1153.39030Krassowska, Dorota; Małolepszy, Tomasz; Matkowski, Janusz 2 2008 Generalized convex functions and a solution of a problem of Zs. Páles. Zbl 1212.26069Matkowski, Janusz 1 2008 An invariance of geometric mean with respect to Lagrangian means. Zbl 1119.26029Głazowska, Dorota; Matkowski, Janusz 14 2007 Remarks on Lipschitzian mappings and some fixed point theorems. Zbl 1146.47034Matkowski, Janusz 2 2007 When \(M\)-convexity of a function implies its \(N\)-convexity for some means of \(M\) and \(N\). Zbl 1141.26306Matkowski, Janusz 1 2007 Invariance in the class of weighted quasi-arithmetic means. Zbl 1097.26019Jarczyk, Justyna; Matkowski, Janusz 21 2006 Invariance of the arithmetic mean with respect to special mean-type mappings. Zbl 1101.26020Domsta, Joachim; Matkowski, Janusz 12 2006 On iterations of means and functional equations. Zbl 1132.39017Matkowski, Janusz 8 2006 On weighted extensions of Cauchy’s means. Zbl 1119.39019Matkowski, Janusz 8 2006 Lagrangean mean-type mappings for which the arithmetic mean is invariant. Zbl 1084.39019Matkowski, Janusz 22 2005 A pair of linear functional inequalities and a characterization of \(L^p\)-norm. Zbl 1085.39025Krassowska, Dorota; Matkowski, Janusz 3 2005 Solution of a regularity problem in equality of Cauchy means. Zbl 1077.39022Matkowski, Janusz 10 2004 Convex functions with respect to a mean and a characterization of quasi-arithmetic means. Zbl 1067.26008Matkowski, Janusz 7 2004 The converse theorem for Minkowski’s inequality. Zbl 1053.26014Matkowski, Janusz 6 2004 An invariance of the geometric mean with respect to Stolarsky mean-type mappings. Zbl 1040.26013Błasińska-Lesk, J.; Głazowska, D.; Matkowski, J. 10 2003 Cocycles of continuous iteration semigroups. Zbl 1044.39017Guzik, Grzegorz; Jarczyk, Witold; Matkowski, Janusz 7 2003 On a composite functional equation. Zbl 1046.39018Matkowski, Janusz; Okrzesik, Jolanta 4 2003 Another characterization of the gamma function. Zbl 1027.33001Gronau, D.; Matkowski, J. 4 2003 Affine and convex functions with respect to the logarithmic mean. Zbl 1091.26023Matkowski, Janusz 4 2003 The Gołab-Schinzel functional equation restricted to half-lines. Zbl 1104.39017Kahlig, Peter; Matkowski, Janusz 2 2003 A pair of functional inequalities of iterative type related to a Cauchy functional equation. Zbl 1059.39015Krassowska, Dorota; Matkowski, Janusz 1 2003 Arithmetic mean as a linear combination of two quasi-arithmetic means. Zbl 1012.26022Głazowska, Dorota; Jarczyk, Witold; Matkowski, Janusz 13 2002 On Mulholland’s inequality. Zbl 1005.39025Jarczyk, Witold; Matkowski, Janusz 10 2002 On invariant generalized Beckenbach-Gini means. Zbl 0996.39019Matkowski, Janusz 9 2002 A modified Gołab-Schinzel equation on a restricted domain (with applications to meteorology and fluid mechanics). Zbl 1076.39019Kahlig, Peter; Matkowski, Janusz 8 2002 On iteration semigroups of mean-type mappings and invariant means. Zbl 1020.39011Matkowski, Janusz 6 2002 On \((\alpha,a)\)-convex set-valued functions. Zbl 1018.54014Matkowski, Janusz; Slepak, Wojciech 1 2002 On a problem of Alsina again. Zbl 0978.39017Matkowski, Janusz; Sablik, Maciej 1 2001 On linear dependence of iterates. Zbl 0972.39012Matkowski, J.; Zhang, W. 11 2000 ...and 79 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 565 Authors 73 Matkowski, Janusz 17 Páles, Zsolt 16 Suzuki, Tomonari 15 Chu, Yuming 12 Merentes, Nelson J. 12 Zhang, Weinian 11 Jachymsky, Jacek R. 11 Jarczyk, Justyna 11 Nikodem, Kazimierz 10 Głazowska, Dorota 10 Wróbel, Małgorzata 9 Morawiec, Janusz 8 Bessenyei, Mihály 8 Nashine, Hemant Kumar 8 Shahzad, Naseer 8 Turinici, Mihai 7 Altun, Ishak 7 Berrone, Lucio R. 7 Chudziak, Jacek 7 Jarczyk, Witold 7 Ostaszewski, Adam J. 7 Strobin, Filip 6 Chistyakov, Vyacheslav V. 6 Czerwik, Stefan 6 Imdad, Mohammad 6 Włodarczyk, Kazimierz 5 Alzer, Horst 5 Appell, Jürgen M. 5 Aydi, Hassen 5 Balbus, Łukasz 5 Burai, Pál 5 Daróczy, Zoltán 5 Himmel, Martin 5 Jaśkiewicz, Anna 5 Kadelburg, Zoran 5 Kahlig, Peter 5 Karapınar, Erdal 5 Pasteczka, Paweł 5 Plebaniak, Robert 5 Radenovic, Stojan 5 Rivas, Sergio T. 5 Wang, Gendi 5 Xu, Bing 5 Zhang, Xiaohui 4 Aziz, Wadie 4 Bingham, Nicholas Hugh 4 Brzdęk, Janusz 4 Ciepliński, Krzysztof 4 Dascăl, Judita 4 Draga, Szymon 4 Gong, Xiaobing 4 Guerrero, José Atilio 4 Kirk, William Arthur 4 Kiss, Tibor 4 Nowak, Andrzej S. 4 Olbryś, Andrzej 4 Patriciu, Alina-Mihaela 4 Popa, Valeriu 4 Qiu, Songliang 4 Vetro, Calogero 4 Zdun, Marek Cezary 4 Zhang, Pingping 4 Zürcher, Thomas 3 Agarwal, Ravi P. 3 Baják, Szabolcs 3 Balakrishna Reddy, K. 3 Banaś, Józef 3 Bisht, Ravindra Kishor 3 Bracamonte, Mireya R. 3 Di Bari, Cristina Maria 3 Jiang, Yueping 3 Kočan, Zdeněk 3 Leonetti, Paolo 3 Li, Lin 3 Łydzińska, Grażyna 3 Mesiar, Radko 3 Miculescu, Radu 3 Mihail, Alexandru 3 Mustafa, Zead 3 Pasicki, Lech 3 Petruşel, Adrian 3 Proinov, Petko D. 3 Qian, Weimao 3 Sablik, Maciej 3 Sawangsup, Kanokwan 3 Shatanawi, Wasfi A. 3 Sintunavarat, Wutiphol 3 Subrahmanyam, Papagudi Venkatachalam 3 Tang, Xiao 3 Xia, Weifeng 3 Yang, Zhenhang 3 Zhang, Qian 2 Abbas, Mujahid 2 Agahi, Hamzeh 2 Alegre, Carmen 2 Alfaqih, Waleed Mohd. 2 Aranđelović, Ivan D. 2 Arshad, Muhammad Sarmad 2 Brillouët-Belluot, Nicole 2 Castillo, René Erlín ...and 465 more Authors all top 5 Cited in 147 Serials 72 Aequationes Mathematicae 64 Journal of Mathematical Analysis and Applications 30 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 27 Fixed Point Theory and Applications 25 Results in Mathematics 13 Journal of Fixed Point Theory and Applications 12 Proceedings of the American Mathematical Society 11 Abstract and Applied Analysis 11 Journal of Inequalities and Applications 10 Journal of Difference Equations and Applications 10 Nonlinear Analysis. Theory, Methods & Applications 8 Fuzzy Sets and Systems 8 Topology and its Applications 8 Acta Mathematica Hungarica 8 Annales Mathematicae Silesianae 7 Applied Mathematics and Computation 7 Mathematical Inequalities & Applications 7 Advances in Difference Equations 6 Demonstratio Mathematica 6 Indagationes Mathematicae. New Series 6 Journal of Applied Analysis 5 Journal of Applied Mathematics 5 Central European Journal of Mathematics 5 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 5 Journal of Function Spaces 4 Computers & Mathematics with Applications 4 Annali di Matematica Pura ed Applicata. Serie Quarta 4 Journal of Economic Theory 4 Economic Theory 4 Journal of Function Spaces and Applications 4 Acta Universitatis Sapientiae. Mathematica 3 Journal of Geometry 3 Real Analysis Exchange 3 The Journal of Analysis 3 Turkish Journal of Mathematics 3 Journal of Nonlinear Science and Applications 3 Journal of Applied Mathematics and Computational Mechanics 2 Bulletin of the Australian Mathematical Society 2 Rocky Mountain Journal of Mathematics 2 Chaos, Solitons and Fractals 2 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 2 Archiv der Mathematik 2 Czechoslovak Mathematical Journal 2 International Journal of Mathematics and Mathematical Sciences 2 Journal of Multivariate Analysis 2 Manuscripta Mathematica 2 Mathematische Nachrichten 2 Applied Mathematics Letters 2 Mathematical and Computer Modelling 2 Expositiones Mathematicae 2 Fractals 2 Journal of Convex Analysis 2 Discrete and Continuous Dynamical Systems 2 Mediterranean Journal of Mathematics 2 Journal of Mathematical Inequalities 2 Dynamic Games and Applications 2 Afrika Matematika 2 Journal of Applied Analysis and Computation 2 Journal of Mathematics 2 International Journal of Analysis 2 Journal of Linear and Topological Algebra 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 American Mathematical Monthly 1 Linear and Multilinear Algebra 1 Mathematical Methods in the Applied Sciences 1 Periodica Mathematica Hungarica 1 Applied Mathematics and Optimization 1 Automatica 1 Colloquium Mathematicum 1 Fasciculi Mathematici 1 Information Sciences 1 International Journal of Game Theory 1 Journal of Computational and Applied Mathematics 1 Kybernetika 1 Matematički Vesnik 1 Mathematics of Operations Research 1 Mathematica Slovaca 1 Mathematische Zeitschrift 1 Monatshefte für Mathematik 1 Numerical Functional Analysis and Optimization 1 Quaestiones Mathematicae 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Revista Colombiana de Matemáticas 1 Semigroup Forum 1 Zeitschrift für Analysis und ihre Anwendungen 1 Mathematical Social Sciences 1 Operations Research Letters 1 Applied Mathematics and Mechanics. (English Edition) 1 Chinese Annals of Mathematics. Series B 1 Applied Numerical Mathematics 1 Optimization 1 Journal of Complexity 1 Forum Mathematicum 1 Journal of Integral Equations and Applications 1 Journal of Applied Mathematics and Stochastic Analysis 1 Numerical Algorithms 1 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 1 Linear Algebra and its Applications 1 Analele Ştiinţifice ale Universităţii Al. I. Cuza din Iaşi. Serie Nouă. Matematică 1 Topological Methods in Nonlinear Analysis ...and 47 more Serials all top 5 Cited in 43 Fields 229 Real functions (26-XX) 198 Difference and functional equations (39-XX) 169 Operator theory (47-XX) 165 General topology (54-XX) 36 Measure and integration (28-XX) 34 Functional analysis (46-XX) 30 Dynamical systems and ergodic theory (37-XX) 19 Special functions (33-XX) 18 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 17 Probability theory and stochastic processes (60-XX) 16 Operations research, mathematical programming (90-XX) 14 Convex and discrete geometry (52-XX) 13 Numerical analysis (65-XX) 11 Functions of a complex variable (30-XX) 11 Integral equations (45-XX) 10 Ordinary differential equations (34-XX) 10 Calculus of variations and optimal control; optimization (49-XX) 7 Mathematical logic and foundations (03-XX) 4 Statistics (62-XX) 4 Systems theory; control (93-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Partial differential equations (35-XX) 3 Global analysis, analysis on manifolds (58-XX) 3 Computer science (68-XX) 3 Information and communication theory, circuits (94-XX) 2 Group theory and generalizations (20-XX) 2 Topological groups, Lie groups (22-XX) 2 Sequences, series, summability (40-XX) 2 Geometry (51-XX) 2 Differential geometry (53-XX) 2 Geophysics (86-XX) 1 Combinatorics (05-XX) 1 Number theory (11-XX) 1 Field theory and polynomials (12-XX) 1 Commutative algebra (13-XX) 1 Potential theory (31-XX) 1 Approximations and expansions (41-XX) 1 Abstract harmonic analysis (43-XX) 1 Manifolds and cell complexes (57-XX) 1 Mechanics of deformable solids (74-XX) 1 Quantum theory (81-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Biology and other natural sciences (92-XX) Citations by Year