Edit Profile (opens in new tab) Lewandowska, Barbara Co-Author Distance Author ID: lewandowska.barbara Published as: Lewandowska, Barbara Documents Indexed: 7 Publications since 2013 Co-Authors: 4 Co-Authors with 7 Joint Publications 94 Co-Co-Authors Co-Authors 0 single-authored 7 Deregowska, Beata 2 Foucart, Simon 1 Fickus, Matthew C. 1 Skrzypek, Lesław all top 5 Serials 2 Journal of Functional Analysis 1 Bulletin of the Australian Mathematical Society 1 Annales Polonici Mathematici 1 Journal of Approximation Theory 1 Monatshefte für Mathematik 1 Numerical Functional Analysis and Optimization Fields 6 Approximations and expansions (41-XX) 5 Harmonic analysis on Euclidean spaces (42-XX) 5 Operator theory (47-XX) 4 Functional analysis (46-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 4 Publications have been cited 13 times in 9 Documents Cited by ▼ Year ▼ Minimal projections onto hyperplanes in vector-valued sequence spaces. Zbl 1328.47033 Deregowska, Beata; Lewandowska, Barbara 6 2015 On the minimal property of de la Vallée Poussin’s operator. Zbl 1317.42002 Deregowska, Beata; Lewandowska, Barbara 5 2015 On the unique minimality of the Fourier projection in \(L_p\) spaces. Zbl 1272.46005 Deregowska, Beata; Lewandowska, Barbara 1 2013 A note on generalized projections in \(c_{0}\). Zbl 1311.47015 Derȩgowska, Beata; Lewandowska, Barbara 1 2014 Minimal projections onto hyperplanes in vector-valued sequence spaces. Zbl 1328.47033 Deregowska, Beata; Lewandowska, Barbara 6 2015 On the minimal property of de la Vallée Poussin’s operator. Zbl 1317.42002 Deregowska, Beata; Lewandowska, Barbara 5 2015 A note on generalized projections in \(c_{0}\). Zbl 1311.47015 Derȩgowska, Beata; Lewandowska, Barbara 1 2014 On the unique minimality of the Fourier projection in \(L_p\) spaces. Zbl 1272.46005 Deregowska, Beata; Lewandowska, Barbara 1 2013 all cited Publications top 5 cited Publications all top 5 Cited by 13 Authors 4 Lewicki, Grzegorz 2 Kozdęba, Michał 2 Prophet, Michael P. 1 Castejón, Alberto 1 Deregowska, Beata 1 Foucart, Simon 1 Kobos, Tomasz 1 Lewandowska, Barbara 1 Li, Changpin 1 Ma, Yutian 1 Martin, Alberto 1 Martynov, Oleg Mikhaĭlovich 1 Skrzypek, Lesław all top 5 Cited in 7 Serials 2 Monatshefte für Mathematik 2 Numerical Functional Analysis and Optimization 1 Journal of Mathematical Analysis and Applications 1 Annales Polonici Mathematici 1 Journal of Approximation Theory 1 Journal of Functional Analysis 1 Nonlinear Dynamics all top 5 Cited in 6 Fields 7 Functional analysis (46-XX) 5 Approximations and expansions (41-XX) 3 Operator theory (47-XX) 1 Ordinary differential equations (34-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Abstract harmonic analysis (43-XX) Citations by Year