Edit Profile (opens in new tab) Lewicki, Grzegorz Co-Author Distance Author ID: lewicki.grzegorz Published as: Lewicki, Grzegorz; Lewicki, G. External Links: MGP · Wikidata Documents Indexed: 84 Publications since 1984, including 1 Book and 2 Additional arXiv Preprints 3 Contributions as Editor Co-Authors: 42 Co-Authors with 69 Joint Publications 709 Co-Co-Authors all top 5 Co-Authors 17 single-authored 10 Aksoy, Asuman Güven 8 Prophet, Michael P. 7 Ciesielski, Maciej 6 Chalmers, Bruce Longworthy 6 Marino, Giuseppe 5 Hudzik, Henryk 4 Kozłowski, Wojciech M. 4 Trombetta, Giulio 3 Baronti, Marco 3 Caponetti, Diana 3 Kamińska, Anna 3 Micek, Agnieszka 3 Musielak, Julian 3 Nowak, Marian 3 Skrzypczak, Leszek 3 Skrzypek, Lesław 2 Castejón, Alberto 2 Kilmer, Shelby J. 2 Pietramala, Paolamaria 1 Bogdan, Szal 1 Bugajewska, Daria 1 Bugajewski, Dariusz 1 Cui, Yunan 1 De Pascale, Espedito 1 de Pillis, John 1 Fragnelli, Vito 1 Jamison, James Edward 1 Kania, Tomasz 1 Kobos, Tomasz 1 Kowalewski, Wojciech 1 Lee, Han Ju 1 Leviatan, Dany 1 Martin, Alberto 1 Mastyło, Mieczysław 1 Metcalf, Frederic T. 1 Odinets, Vladimir Petrovich 1 Płuciennik, Ryszard 1 Shekhtman, Boris 1 Taylor, Gerald D. 1 Trombetta, Alessandro 1 Wisła, Marek 1 Wood, William E. all top 5 Serials 17 Journal of Approximation Theory 6 Journal of Mathematical Analysis and Applications 5 Studia Mathematica 5 Monatshefte für Mathematik 3 Commentationes Mathematicae Universitatis Carolinae 3 Journal of Functional Analysis 3 Numerical Functional Analysis and Optimization 3 Zeitschrift für Analysis und ihre Anwendungen 2 Rocky Mountain Journal of Mathematics 2 Collectanea Mathematica 2 Functiones et Approximatio. Commentarii Mathematici 2 Mathematische Nachrichten 2 The Journal of Geometric Analysis 2 Banach Center Publications 1 Bulletin of the Australian Mathematical Society 1 Annales Polonici Mathematici 1 Archiv der Mathematik 1 Dissertationes Mathematicae 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Quaestiones Mathematicae 1 Real Analysis Exchange 1 Bulletin of the Korean Mathematical Society 1 Note di Matematica 1 Acta Mathematica Hungarica 1 Applied Mathematics Letters 1 Journal of Integral Equations and Applications 1 Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica 1 Journal of Convex Analysis 1 Novi Sad Journal of Mathematics 1 Analysis (München) 1 Discussiones Mathematicae. Differential Inclusions, Control and Optimization 1 Lecture Notes in Mathematics 1 Banach Journal of Mathematical Analysis 1 Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Acta Mathematica all top 5 Fields 59 Functional analysis (46-XX) 46 Approximations and expansions (41-XX) 29 Operator theory (47-XX) 5 General topology (54-XX) 4 Real functions (26-XX) 3 General and overarching topics; collections (00-XX) 3 Convex and discrete geometry (52-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 1 History and biography (01-XX) 1 Measure and integration (28-XX) 1 Ordinary differential equations (34-XX) 1 Sequences, series, summability (40-XX) 1 Integral equations (45-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Geometry (51-XX) 1 Probability theory and stochastic processes (60-XX) 1 Numerical analysis (65-XX) 1 Operations research, mathematical programming (90-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 68 Publications have been cited 468 times in 202 Documents Cited by ▼ Year ▼ Approximative compactness and full rotundity in Musielak–Orlicz spaces and Lorentz–Orlicz spaces. Zbl 1108.46016 Hudzik, Henryk; Kowalewski, Wojciech; Lewicki, Grzegorz 36 2006 Minimal projections in Banach spaces. Problems of existence and uniqueness and their application. Zbl 1062.46500 Odyniec, Włodzimierz; Lewicki, Grzegorz 35 1990 Symmetric spaces with maximal projection constants. Zbl 1032.46014 Chalmers, Bruce L.; Lewicki, Grzegorz 22 2003 A proof of the Grünbaum conjecture. Zbl 1255.46005 Chalmers, Bruce L.; Lewicki, Grzegorz 21 2010 Three-dimensional subspace of \(l^{(5)}_\infty\) with maximal projection constant. Zbl 1201.46011 Chalmers, Bruce L.; Lewicki, Grzegorz 20 2009 Chalmers-Metcalf operator and uniqueness of minimal projections. Zbl 1125.41017 Lewicki, Grzegorz; Skrzypek, Lesław 17 2007 Symmetric subspaces of \(l_1\) with large projection constants. Zbl 0926.41018 Chalmers, Bruce L.; Lewicki, Grzegorz 16 1999 Minimal extensions in tensor product spaces. Zbl 0927.46015 Lewicki, Grzegorz 14 1999 Approximation by superpositions of a sigmoidal function. Zbl 1062.41015 Lewicki, G.; Marino, G. 13 2003 Approximation of functions of finite variation by superpositions of a sigmoidal function. Zbl 1067.41013 Lewicki, G.; Marino, G. 13 2004 Fourier-type minimal extensions in real \(L_1\)-space. Zbl 0983.46031 Lewicki, Grzegorz; Marino, Giuseppe; Pietramala, Paolamaria 12 2000 On some algorithms in Banach spaces finding fixed points of nonlinear mappings. Zbl 1171.41009 Lewicki, Grzegorz; Marino, Giuseppe 12 2009 Extreme and smooth points in Lorentz and Marcinkiewicz spaces with applications to contractive projections. Zbl 1192.46010 Kamińska, Anna; Lee, Han Ju; Lewicki, Grzegorz 12 2009 Minimal multi-convex projections. Zbl 1120.46010 Lewicki, Grzegorz; Prophet, Michael 11 2007 One-complemented subspaces of Musiełak-Orlicz sequence spaces. Zbl 1135.46303 Jamison, J. E.; Kamińska, A.; Lewicki, G. 11 2004 Best approximants in modular function spaces. Zbl 0718.41049 Kilmer, Shelby J.; Kozlowski, Wojciech M.; Lewicki, Grzegorz 10 1990 Best approximation in spaces of bounded linear operators. Zbl 0826.41025 Lewicki, Grzegorz 9 1994 Optimal and one-complemented subspaces. Zbl 1147.46017 Lewicki, Grzegorz; Trombetta, Giulio 9 2008 Contractive and optimal sets in modular spaces. Zbl 1057.46007 Kamińska, Anna; Lewicki, Grzegorz 8 2004 Codimension-one minimal projections onto Haar subspaces. Zbl 1063.47011 Lewicki, Grzegorz; Prophet, Michael 8 2004 Minimal projections onto two dimensional subspaces of \(l_ \infty^{(4)}\). Zbl 0866.41020 Lewicki, Grzegorz 8 1997 On properties of Chalmers-Metcalf operators. Zbl 1134.41015 Lewicki, Grzegorz; Skrzypek, Lesław 8 2007 On minimal projections in \(l_{\infty}^{(n)}\). Zbl 0943.41011 Lewicki, Grzegorz 7 2000 Minimal projections with respect to various norms. Zbl 1252.41019 Aksoy, Asuman Güven; Lewicki, Grzegorz 7 2012 Minimal projections onto some subspaces of \(\ell_1^{(n)}\). Zbl 0922.46008 Chalmers, Bruce L.; Lewicki, Grzegorz 6 1998 On the unique minimality of the Fourier-type extensions in \(L_1\)-space. Zbl 0987.46030 Lewicki, Grzegorz 6 2000 Strong unicity criterion in some space of operators. Zbl 0785.41023 Lewicki, Grzegorz 6 1993 Strongly unique minimal projections on hyperplanes. Zbl 0807.41020 Baronti, Marco; Lewicki, Grzegorz 6 1994 Minimal projections onto hyperplanes in \(\ell_p^n\). Zbl 1339.46012 Lewicki, Grzegorz; Skrzypek, Lesław 5 2016 Analyticity and polynomial approximation in modular function spaces. Zbl 0692.41010 Kozlowski, Wojciech M.; Lewicki, Grzegorz 5 1989 Best approximation in numerical radius. Zbl 1222.41026 Aksoy, Asuman Güven; Lewicki, Grzegorz 5 2011 Equality of two strongly unique minimal projection constants. Zbl 1270.46011 Lewicki, Grzegorz; Micek, Agnieszka 5 2010 On nonlinear integral equations in the space of functions of bounded generalized \(\varphi\)-variation. Zbl 1204.45008 Bugajewska, Daria; Bugajewski, Dariusz; Lewicki, Grzegorz 5 2009 Bernstein’s “Lethargy” theorem in metrizable topological linear spaces. Zbl 0764.41033 Lewicki, G. 5 1992 Two-dimensional real symmetric spaces with maximal projection constant. Zbl 0968.41017 Chalmers, Bruce L.; Lewicki, Grzegorz 4 2000 Subspaces of codimension two with large projection constants. Zbl 1320.46011 Castejón, Alberto; Lewicki, Grzegorz 4 2014 A theorem of Bernstein’s type for linear projections. Zbl 0673.46006 Lewicki, Grzegorz 4 1988 Minimal shape-preserving projections in tensor product spaces. Zbl 1198.46013 Lewicki, Grzegorz; Prophet, Michael 4 2010 Diagonal operators s-numbers and Bernstein pairs. Zbl 0961.47007 Aksoy, Asuman G.; Lewicki, Grzegorz 3 1997 Some conditions for compactness in \(BC(Q)\) and their application to boundary value problems. Zbl 1018.46014 De Pascale, Espedito; Lewicki, Grzegorz; Marino, Giuseppe 3 2002 Sequence Lorentz spaces and their geometric structure. Zbl 1433.46012 Ciesielski, Maciej; Lewicki, Grzegorz 3 2019 Asymptotic estimate of absolute projection constants. Zbl 1325.46013 Lewicki, Grzegorz 3 2013 Minimal projections onto subspaces of \(l_ \infty^{(n)}\) of codimension two. Zbl 0805.41019 Lewicki, Grzegorz 3 1993 Kolmogorov’s type criteria for spaces of compact operators. Zbl 0741.41032 Lewicki, Grzegorz 3 1991 Codimension-one minimal extensions onto Haar subspaces. Zbl 1259.41030 Lewicki, Grzegorz; Micek, Agnieszka 3 2012 Minimal shape-preserving projections onto \(\Pi _{n}\): generalizations and extensions. Zbl 1129.46014 Lewicki, G.; Prophet, M. P. 3 2006 Limit theorems for the numerical index. Zbl 1271.46008 Aksoy, Asuman Güven; Lewicki, Grzegorz 3 2013 On the property of four elements in modular spaces. Zbl 0938.46025 Isac, G.; Lewicki, G. 2 1999 Uniform \(K\)-monotonicity and \(K\)-order continuity in symmetric spaces with application to approximation theory. Zbl 1387.41013 Ciesielski, Maciej; Lewicki, Grzegorz 2 2017 Some results on absolute projection constants. Zbl 1423.46013 Castejón, Alberto; Lewicki, Grzegorz; Martín, Alberto 2 2019 On a certain class of norms in semimodular spaces and their monotonicity properties. Zbl 1417.46005 Ciesielski, Maciej; Lewicki, Grzegorz 2 2019 Characterization conditions and the numerical index. Zbl 1394.47008 Aksoy, Asuman Güven; Lewicki, Grzegorz 2 2016 Best approximation in finite dimensional subspaces of \({\mathcal L}(W, V)\). Zbl 0829.41030 Lewicki, Grzegorz 2 1995 On a new proof of Durier’s theorem. Zbl 0827.46018 Lewicki, Grzegorz 2 1995 Almost contractive retractions in Orlicz spaces. Zbl 1058.46014 Lewicki, Grzegorz; Trombetta, Giulio 2 2003 In memoriam: Bruce L. Chalmers (1938–2015). Zbl 1338.46004 Aksoy, Asuman; De Pillis, John; Leviatan, Dany; Lewicki, Grzegorz; Metcalf, Frederic T.; Prophet, Michael; Shekhtman, Boris; Taylor, G. D. (Jerry) 2 2016 Uniqueness of minimal Fourier-type extensions in \(L_1\)-spaces. Zbl 1270.41007 Lewicki, Grzegorz; Micek, Agnieszka 2 2013 The Chalmers-Metcalf operator and minimal extensions. Zbl 1467.46011 Lewicki, Grzegorz; Prophet, Michael 2 2021 Finite chainability, locally Lipschitzian and uniformly continuous functions. Zbl 0919.26003 Marino, G.; Lewicki, G.; Pietramala, P. 1 1998 Bernstein’s lethargy theorem in Fréchet spaces. Zbl 1350.41037 Aksoy, Asuman Güven; Lewicki, Grzegorz 1 2016 Asymptotic behavior of factorization and projection constants. Zbl 1372.46010 Lewicki, Grzegorz; Mastyło, Mieczysław 1 2017 Order asymptotically isometric copies of \(c_0\) in the subspaces of order continuous elements in Orlicz spaces. Zbl 1315.46012 Cui, Yunan; Hudzik, Henryk; Lewicki, Grzegorz 1 2014 A note on the admissibility of modular function spaces. Zbl 1369.46023 Caponetti, Diana; Lewicki, Grzegorz 1 2017 On some constants in Banach spaces. Zbl 0797.46011 Baronti, Marco; Lewicki, Grzegorz 1 1994 A characterization of Orlicz spaces isometric to \(L_p\)-spaces. Zbl 0892.46026 Lewicki, Grzegorz 1 1997 On the admissibility of the space \(L_0(\mathcal A,X)\) of vector-valued measurable functions. Zbl 1294.46026 Caponetti, Diana; Lewicki, Grzegorz; Trombetta, Alessandro; Trombetta, Giulio 1 2013 Sigma order continuity and best approximation in \(L_ \varrho\)-spaces. Zbl 0754.41017 Kilmer, Shelby J.; Kozlowski, Wojciech M.; Lewicki, Grzegorz 1 1991 Codimension 1 minimal projections onto the lines in \(L^p\). Zbl 1522.46014 Lewicki, Grzegorz; Prophet, Michael 1 2022 Codimension 1 minimal projections onto the lines in \(L^p\). Zbl 1522.46014 Lewicki, Grzegorz; Prophet, Michael 1 2022 The Chalmers-Metcalf operator and minimal extensions. Zbl 1467.46011 Lewicki, Grzegorz; Prophet, Michael 2 2021 Sequence Lorentz spaces and their geometric structure. Zbl 1433.46012 Ciesielski, Maciej; Lewicki, Grzegorz 3 2019 Some results on absolute projection constants. Zbl 1423.46013 Castejón, Alberto; Lewicki, Grzegorz; Martín, Alberto 2 2019 On a certain class of norms in semimodular spaces and their monotonicity properties. Zbl 1417.46005 Ciesielski, Maciej; Lewicki, Grzegorz 2 2019 Uniform \(K\)-monotonicity and \(K\)-order continuity in symmetric spaces with application to approximation theory. Zbl 1387.41013 Ciesielski, Maciej; Lewicki, Grzegorz 2 2017 Asymptotic behavior of factorization and projection constants. Zbl 1372.46010 Lewicki, Grzegorz; Mastyło, Mieczysław 1 2017 A note on the admissibility of modular function spaces. Zbl 1369.46023 Caponetti, Diana; Lewicki, Grzegorz 1 2017 Minimal projections onto hyperplanes in \(\ell_p^n\). Zbl 1339.46012 Lewicki, Grzegorz; Skrzypek, Lesław 5 2016 Characterization conditions and the numerical index. Zbl 1394.47008 Aksoy, Asuman Güven; Lewicki, Grzegorz 2 2016 In memoriam: Bruce L. Chalmers (1938–2015). Zbl 1338.46004 Aksoy, Asuman; De Pillis, John; Leviatan, Dany; Lewicki, Grzegorz; Metcalf, Frederic T.; Prophet, Michael; Shekhtman, Boris; Taylor, G. D. (Jerry) 2 2016 Bernstein’s lethargy theorem in Fréchet spaces. Zbl 1350.41037 Aksoy, Asuman Güven; Lewicki, Grzegorz 1 2016 Subspaces of codimension two with large projection constants. Zbl 1320.46011 Castejón, Alberto; Lewicki, Grzegorz 4 2014 Order asymptotically isometric copies of \(c_0\) in the subspaces of order continuous elements in Orlicz spaces. Zbl 1315.46012 Cui, Yunan; Hudzik, Henryk; Lewicki, Grzegorz 1 2014 Asymptotic estimate of absolute projection constants. Zbl 1325.46013 Lewicki, Grzegorz 3 2013 Limit theorems for the numerical index. Zbl 1271.46008 Aksoy, Asuman Güven; Lewicki, Grzegorz 3 2013 Uniqueness of minimal Fourier-type extensions in \(L_1\)-spaces. Zbl 1270.41007 Lewicki, Grzegorz; Micek, Agnieszka 2 2013 On the admissibility of the space \(L_0(\mathcal A,X)\) of vector-valued measurable functions. Zbl 1294.46026 Caponetti, Diana; Lewicki, Grzegorz; Trombetta, Alessandro; Trombetta, Giulio 1 2013 Minimal projections with respect to various norms. Zbl 1252.41019 Aksoy, Asuman Güven; Lewicki, Grzegorz 7 2012 Codimension-one minimal extensions onto Haar subspaces. Zbl 1259.41030 Lewicki, Grzegorz; Micek, Agnieszka 3 2012 Best approximation in numerical radius. Zbl 1222.41026 Aksoy, Asuman Güven; Lewicki, Grzegorz 5 2011 A proof of the Grünbaum conjecture. Zbl 1255.46005 Chalmers, Bruce L.; Lewicki, Grzegorz 21 2010 Equality of two strongly unique minimal projection constants. Zbl 1270.46011 Lewicki, Grzegorz; Micek, Agnieszka 5 2010 Minimal shape-preserving projections in tensor product spaces. Zbl 1198.46013 Lewicki, Grzegorz; Prophet, Michael 4 2010 Three-dimensional subspace of \(l^{(5)}_\infty\) with maximal projection constant. Zbl 1201.46011 Chalmers, Bruce L.; Lewicki, Grzegorz 20 2009 On some algorithms in Banach spaces finding fixed points of nonlinear mappings. Zbl 1171.41009 Lewicki, Grzegorz; Marino, Giuseppe 12 2009 Extreme and smooth points in Lorentz and Marcinkiewicz spaces with applications to contractive projections. Zbl 1192.46010 Kamińska, Anna; Lee, Han Ju; Lewicki, Grzegorz 12 2009 On nonlinear integral equations in the space of functions of bounded generalized \(\varphi\)-variation. Zbl 1204.45008 Bugajewska, Daria; Bugajewski, Dariusz; Lewicki, Grzegorz 5 2009 Optimal and one-complemented subspaces. Zbl 1147.46017 Lewicki, Grzegorz; Trombetta, Giulio 9 2008 Chalmers-Metcalf operator and uniqueness of minimal projections. Zbl 1125.41017 Lewicki, Grzegorz; Skrzypek, Lesław 17 2007 Minimal multi-convex projections. Zbl 1120.46010 Lewicki, Grzegorz; Prophet, Michael 11 2007 On properties of Chalmers-Metcalf operators. Zbl 1134.41015 Lewicki, Grzegorz; Skrzypek, Lesław 8 2007 Approximative compactness and full rotundity in Musielak–Orlicz spaces and Lorentz–Orlicz spaces. Zbl 1108.46016 Hudzik, Henryk; Kowalewski, Wojciech; Lewicki, Grzegorz 36 2006 Minimal shape-preserving projections onto \(\Pi _{n}\): generalizations and extensions. Zbl 1129.46014 Lewicki, G.; Prophet, M. P. 3 2006 Approximation of functions of finite variation by superpositions of a sigmoidal function. Zbl 1067.41013 Lewicki, G.; Marino, G. 13 2004 One-complemented subspaces of Musiełak-Orlicz sequence spaces. Zbl 1135.46303 Jamison, J. E.; Kamińska, A.; Lewicki, G. 11 2004 Contractive and optimal sets in modular spaces. Zbl 1057.46007 Kamińska, Anna; Lewicki, Grzegorz 8 2004 Codimension-one minimal projections onto Haar subspaces. Zbl 1063.47011 Lewicki, Grzegorz; Prophet, Michael 8 2004 Symmetric spaces with maximal projection constants. Zbl 1032.46014 Chalmers, Bruce L.; Lewicki, Grzegorz 22 2003 Approximation by superpositions of a sigmoidal function. Zbl 1062.41015 Lewicki, G.; Marino, G. 13 2003 Almost contractive retractions in Orlicz spaces. Zbl 1058.46014 Lewicki, Grzegorz; Trombetta, Giulio 2 2003 Some conditions for compactness in \(BC(Q)\) and their application to boundary value problems. Zbl 1018.46014 De Pascale, Espedito; Lewicki, Grzegorz; Marino, Giuseppe 3 2002 Fourier-type minimal extensions in real \(L_1\)-space. Zbl 0983.46031 Lewicki, Grzegorz; Marino, Giuseppe; Pietramala, Paolamaria 12 2000 On minimal projections in \(l_{\infty}^{(n)}\). Zbl 0943.41011 Lewicki, Grzegorz 7 2000 On the unique minimality of the Fourier-type extensions in \(L_1\)-space. Zbl 0987.46030 Lewicki, Grzegorz 6 2000 Two-dimensional real symmetric spaces with maximal projection constant. Zbl 0968.41017 Chalmers, Bruce L.; Lewicki, Grzegorz 4 2000 Symmetric subspaces of \(l_1\) with large projection constants. Zbl 0926.41018 Chalmers, Bruce L.; Lewicki, Grzegorz 16 1999 Minimal extensions in tensor product spaces. Zbl 0927.46015 Lewicki, Grzegorz 14 1999 On the property of four elements in modular spaces. Zbl 0938.46025 Isac, G.; Lewicki, G. 2 1999 Minimal projections onto some subspaces of \(\ell_1^{(n)}\). Zbl 0922.46008 Chalmers, Bruce L.; Lewicki, Grzegorz 6 1998 Finite chainability, locally Lipschitzian and uniformly continuous functions. Zbl 0919.26003 Marino, G.; Lewicki, G.; Pietramala, P. 1 1998 Minimal projections onto two dimensional subspaces of \(l_ \infty^{(4)}\). Zbl 0866.41020 Lewicki, Grzegorz 8 1997 Diagonal operators s-numbers and Bernstein pairs. Zbl 0961.47007 Aksoy, Asuman G.; Lewicki, Grzegorz 3 1997 A characterization of Orlicz spaces isometric to \(L_p\)-spaces. Zbl 0892.46026 Lewicki, Grzegorz 1 1997 Best approximation in finite dimensional subspaces of \({\mathcal L}(W, V)\). Zbl 0829.41030 Lewicki, Grzegorz 2 1995 On a new proof of Durier’s theorem. Zbl 0827.46018 Lewicki, Grzegorz 2 1995 Best approximation in spaces of bounded linear operators. Zbl 0826.41025 Lewicki, Grzegorz 9 1994 Strongly unique minimal projections on hyperplanes. Zbl 0807.41020 Baronti, Marco; Lewicki, Grzegorz 6 1994 On some constants in Banach spaces. Zbl 0797.46011 Baronti, Marco; Lewicki, Grzegorz 1 1994 Strong unicity criterion in some space of operators. Zbl 0785.41023 Lewicki, Grzegorz 6 1993 Minimal projections onto subspaces of \(l_ \infty^{(n)}\) of codimension two. Zbl 0805.41019 Lewicki, Grzegorz 3 1993 Bernstein’s “Lethargy” theorem in metrizable topological linear spaces. Zbl 0764.41033 Lewicki, G. 5 1992 Kolmogorov’s type criteria for spaces of compact operators. Zbl 0741.41032 Lewicki, Grzegorz 3 1991 Sigma order continuity and best approximation in \(L_ \varrho\)-spaces. Zbl 0754.41017 Kilmer, Shelby J.; Kozlowski, Wojciech M.; Lewicki, Grzegorz 1 1991 Minimal projections in Banach spaces. Problems of existence and uniqueness and their application. Zbl 1062.46500 Odyniec, Włodzimierz; Lewicki, Grzegorz 35 1990 Best approximants in modular function spaces. Zbl 0718.41049 Kilmer, Shelby J.; Kozlowski, Wojciech M.; Lewicki, Grzegorz 10 1990 Analyticity and polynomial approximation in modular function spaces. Zbl 0692.41010 Kozlowski, Wojciech M.; Lewicki, Grzegorz 5 1989 A theorem of Bernstein’s type for linear projections. Zbl 0673.46006 Lewicki, Grzegorz 4 1988 all cited Publications top 5 cited Publications all top 5 Cited by 198 Authors 36 Lewicki, Grzegorz 12 Skrzypek, Lesław 10 Costarelli, Danilo 10 Cui, Yunan 10 Hudzik, Henryk 10 Prophet, Michael P. 8 Qin, Xiaolong 7 Aksoy, Asuman Güven 7 Ciesielski, Maciej 7 Kozłowski, Wojciech M. 7 Shang, Shaoqiang 7 Spigler, Renato 6 Deregowska, Beata 6 Lewandowska, Barbara 5 Chalmers, Bruce Longworthy 5 Marino, Giuseppe 5 Wójcik, Paweł 5 Zhang, Zihou 4 Cho, Sun Young 4 Foucart, Simon 4 Kang, Shin Min 4 Kobos, Tomasz 4 Kumam, Poom 4 Liu, Chunyan 4 Martynov, Oleg Mikhaĭlovich 4 Saewan, Siwaporn 3 Basso, Giuliano 3 Bugajewska, Daria 3 Cho, Yeol Je 3 Gao, Xinghui 3 Kamińska, Anna 3 Kanjanasamranwong, Preedaporn 3 Micek, Agnieszka 3 Shekhtman, Boris 3 Zhou, Haiyun 3 Zhou, Yu 2 Agarwal, Ravi P. 2 Cabello Sánchez, Félix 2 Caponetti, Diana 2 Castejón, Alberto 2 Chen, Shutao 2 Ereú, Jurancy Josefina 2 Kozdęba, Michał 2 Mărușter, Ștefan 2 Micherda, Bartosz 2 Oikhberg, Timur 2 Pietramala, Paolamaria 2 Rao, T. S. S. R. K. 2 Shen, Zuowei 2 Trombetta, Giulio 2 Wang, Lin 2 Wang, Yuwen 2 Wlaźlak, Karol 2 Yang, Haizhao 2 Zhang, Shijun 1 Abbas, Syed 1 Abu-Sirhan, Eyad 1 Alansari, Monairah Omar 1 Alhomaidan, Adnan Salem 1 Almira, Jose María 1 Alsulami, Saud Mastour A. 1 Altawallbeh, Zuhier 1 Baker, Abdullah Bin Abu 1 Bedouhene, Fazia 1 Benítez, Carlos 1 Bo, Liu Xin 1 Borodin, Petr A. 1 Botelho, Fernanda 1 Boulahia, Fatiha 1 Boyd, Christopher 1 Cao, Fayun 1 Case, Caleb 1 Chen, Wei 1 Chidume, Charles Ejike 1 Chmieliński, Jacek 1 Cianciaruso, Filomena 1 Colao, Vittorio 1 Cuenya, Héctor Hugo 1 Czerwińska, Małgorzata Marta 1 Değirmen, Nilay 1 Denkowska, Anna 1 Djabri, Yousra 1 Eslamian, Mohammad 1 Fernandez García-Hierro, Manuel 1 Fickus, Matthew C. 1 Foralewski, Paweł 1 Fu, Yongqiang 1 Ghosh, Souvik 1 Goebbels, Steffen J. 1 Hafayed, Mokhtar 1 Hahm, Nahmwoo 1 Hájek, Petr 1 Hao, Yan 1 Hao, Zhiwei 1 He, Xin 1 Hong, Bum Il 1 Huang, Shuechin 1 Hügli, Remo V. 1 Infante, Gennaro 1 Jamison, James Edward ...and 98 more Authors all top 5 Cited in 74 Serials 33 Journal of Approximation Theory 19 Journal of Mathematical Analysis and Applications 11 Numerical Functional Analysis and Optimization 9 Fixed Point Theory and Applications 8 Monatshefte für Mathematik 8 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 6 Journal of Functional Analysis 5 Abstract and Applied Analysis 4 Rocky Mountain Journal of Mathematics 4 Neural Networks 3 Bulletin of the Australian Mathematical Society 3 Mathematische Nachrichten 3 Proceedings of the American Mathematical Society 3 The Journal of Geometric Analysis 3 Linear Algebra and its Applications 3 Positivity 3 Mediterranean Journal of Mathematics 2 Computers & Mathematics with Applications 2 Linear and Multilinear Algebra 2 Annali di Matematica Pura ed Applicata. Serie Quarta 2 International Journal of Mathematics and Mathematical Sciences 2 Journal of Computational and Applied Mathematics 2 Transactions of the American Mathematical Society 2 Journal of Integral Equations and Applications 2 Acta Mathematica Sinica. English Series 2 Journal of Applied Mathematics 2 Acta Mathematica Scientia. Series B. (English Edition) 2 Banach Journal of Mathematical Analysis 2 Commentationes Mathematicae 1 Israel Journal of Mathematics 1 Mathematical Notes 1 Studia Mathematica 1 Ukrainian Mathematical Journal 1 Annales Polonici Mathematici 1 Applied Mathematics and Computation 1 Commentationes Mathematicae Universitatis Carolinae 1 Functional Analysis and its Applications 1 Integral Equations and Operator Theory 1 Journal of Optimization Theory and Applications 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Real Analysis Exchange 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Results in Mathematics 1 Siberian Mathematical Journal 1 Topology and its Applications 1 Acta Mathematica Hungarica 1 Acta Mathematicae Applicatae Sinica. English Series 1 Discrete & Computational Geometry 1 Revista Matemática Iberoamericana 1 Applied Mathematics Letters 1 Mathematical and Computer Modelling 1 SIAM Journal on Matrix Analysis and Applications 1 Science in China. Series A 1 SIAM Journal on Mathematical Analysis 1 Expositiones Mathematicae 1 Computational and Applied Mathematics 1 Turkish Journal of Mathematics 1 Georgian Mathematical Journal 1 Opuscula Mathematica 1 Journal of Inequalities and Applications 1 Chaos 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 Analysis and Applications (Singapore) 1 Journal of Function Spaces and Applications 1 Boundary Value Problems 1 Communications in Computational Physics 1 Journal of Nonlinear Science and Applications 1 International Journal of Differential Equations 1 Arabian Journal of Mathematics 1 Journal of Function Spaces 1 Research in the Mathematical Sciences 1 Korean Journal of Mathematics 1 Electronic Research Archive all top 5 Cited in 27 Fields 119 Functional analysis (46-XX) 84 Approximations and expansions (41-XX) 68 Operator theory (47-XX) 10 Convex and discrete geometry (52-XX) 9 Numerical analysis (65-XX) 8 Harmonic analysis on Euclidean spaces (42-XX) 7 Real functions (26-XX) 6 Ordinary differential equations (34-XX) 6 Integral equations (45-XX) 4 Linear and multilinear algebra; matrix theory (15-XX) 3 Partial differential equations (35-XX) 3 General topology (54-XX) 3 Operations research, mathematical programming (90-XX) 2 Functions of a complex variable (30-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Abstract harmonic analysis (43-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Probability theory and stochastic processes (60-XX) 2 Statistics (62-XX) 2 Computer science (68-XX) 2 Biology and other natural sciences (92-XX) 1 General and overarching topics; collections (00-XX) 1 Nonassociative rings and algebras (17-XX) 1 Special functions (33-XX) 1 Difference and functional equations (39-XX) 1 Sequences, series, summability (40-XX) 1 Systems theory; control (93-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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